﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2023v5.1">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2024-11-14T00:33:45-06:00</ReturnTs>
    <TaxPeriodEndDt>2023-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>141442607</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>BST &amp; CO CPAS LLP</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>10 BRITISH AMERICAN BLVD</AddressLine1Txt>
        <CityNm>LATHAM</CityNm>
        <StateAbbreviationCd>NY</StateAbbreviationCd>
        <ZIPCd>12110</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>141401413</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>TRUDEAU INSTITUTE INC</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>TRUD</BusinessNameControlTxt>
      <PhoneNum>5188913080</PhoneNum>
      <USAddress>
        <AddressLine1Txt>154 ALGONQUIN AVE</AddressLine1Txt>
        <CityNm>SARANAC LAKE</CityNm>
        <StateAbbreviationCd>NY</StateAbbreviationCd>
        <ZIPCd>12983</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>TINA MOODY</PersonNm>
      <PersonTitleTxt>CAO, TREASURER &amp; SECRETARY</PersonTitleTxt>
      <PhoneNum>5188913080</PhoneNum>
      <SignatureDt>2024-11-13</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>1</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>JEREMY COLE</PreparerPersonNm>
      <PTIN>P00436330</PTIN>
      <PhoneNum>5184596700</PhoneNum>
      <PreparationDt>2024-11-13</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2024-10-15 13:58:12Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="8">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <PrincipalOfficerNm>WILLIAM REILEY</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>154 ALGONQUIN AVE</AddressLine1Txt>
        <CityNm>SARANAC LAKE</CityNm>
        <StateAbbreviationCd>NY</StateAbbreviationCd>
        <ZIPCd>12983</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>18546468</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>0</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>WWW.TRUDEAUINSTITUTE.ORG</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>1889</FormationYr>
      <LegalDomicileStateCd>NY</LegalDomicileStateCd>
      <ActivityOrMissionDesc>SCIENTISTS AT TRUDEAU INSTITUTE FOCUS ON DEVELOPING AN IN-DEPTH UNDERSTANDING OF THE ROLE OF THE IMMUNE SYSTEM IN HEALTH AND DISEASE TO FACILITATE THE DEVELOPMENT OF THERAPEUTIC TREATMENTS AND FINDING CURES. THROUGH RIGOROUS EXPERIMENTATION, COMBINED WITH ADVANCED ANALYTIC AND SOFTWARE TOOLS, THESE EFFORTS LEAD PROGRESS TOWARDS STRENGTHENING OUR BODIES' ABILITIES TO COMBAT LIFE THREATENING INFECTIONS, INFLAMMATORY DISEASES, AND CANCER. DISCOVERIES ON THE INTRICATE WORKING OF THE IMMUNE SYSTEM APPLY TO A VAST ARRAY OF HUMAN AFFLICTIONS INCLUDING, BUT NOT LIMITED TO, TUBERCULOSIS, INFLUENZA, COVID-19, AND IMMUNE CELL-DRIVEN MALADIES.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>15</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>15</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>82</TotalEmployeeCnt>
      <TotalVolunteersCnt>20</TotalVolunteersCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>0</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>1242484</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>1208588</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>3870078</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>3757578</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>517148</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>1760246</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>405813</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>387580</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>6035523</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>7113992</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>0</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>0</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>0</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>5658896</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>5650857</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>237801</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>5413747</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>4458683</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>11072643</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>10109540</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>-5037120</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>-2995548</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>24855967</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>21437672</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>587162</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>613196</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>24268805</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>20824476</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <MissionDesc>TO SAFEGUARD HUMAN HEALTH AND COMBAT 21ST CENTURY GLOBAL HEALTH CRISES, FROM DRUG-RESISTANT TB TO EMERGING VIRUSES AND PANDEMICS, BY EMPOWERING SPECIALIZED R &amp; D PURSUITS IN REGIONAL AND GLOBAL TRANSLATIONAL SCIENCE PARTNERSHIPS.</MissionDesc>
      <SignificantNewProgramSrvcInd>0</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>0</SignificantChangeInd>
      <ExpenseAmt>8571912</ExpenseAmt>
      <RevenueAmt>3767372</RevenueAmt>
      <Desc>TRUDEAU INSTITUTE IS A WORLD-RENOWNED LEADER IN THE EFFORT TO TREATING HUMAN DISEASES. OUR EXPERTISE AND ENTHUSIASM FOR MODELING INFECTION, IMMUNITY, VACCINATION, INFLAMMATION, AND SEPSIS HAVE LED TO MANY PIONEERING DISCOVERIES. MOUSE MODELS CURRENTLY STUDIED AT THE INSTITUTE INCLUDE INFLUENZA, PARAINFLUENZA, INFLUENZA-ASSOCIATED BACTERIAL PNEUMONIA, BACTERIAL SEPSIS, PNEUMONIC PLAGUE, TUBERCULOSIS, TOXOPLASMOSIS, ZIKA, CHRONIC HERPESVIRUS INFECTION AND COVID-19 (SARS COV-2). TRUDEAU INSTITUTE CONTINUED ITS RESEARCH IN THE AREAS OF IMMUNOLOGY AND INFECTIOUS DISEASE, SUPPORTED BY GRANTS FROM THE NATIONAL INSTITUTE OF HEALTH, NEW YORK STATE, DEPARTMENT OF DEFENSE AND THROUGH SUBCONTRACTS WITH VARIOUS UNIVERSITIES AND FOUNDATIONS. THE TRUDEAU RESEARCH STAFF PUBLISHED ELEVEN (11) ARTICLES IN NINE (9) LEADING SCIENTIFIC JOURNALS.</Desc>
      <TotalProgramServiceExpensesAmt>8571912</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="RetDoc1039100001">1</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd referenceDocumentId="RetDoc1234500001">1</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd referenceDocumentId="RetDoc1039700001">0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd referenceDocumentId="RetDoc1039700001">1</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd referenceDocumentId="RetDoc1039700001">0</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="RetDoc1040000001">0</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="RetDoc1040000001">0</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="RetDoc1040000001">0</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="RetDoc1040000001">0</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd>1</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="RetDoc1040000001">1</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="RetDoc1040000001">0</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="RetDoc1040000001">0</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="RetDoc1040000001">0</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="RetDoc1040000001">0</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="RetDoc1040000001">1</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">1</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">0</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <ForeignActivitiesInd>0</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>0</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd>0</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd referenceDocumentId="RetDoc1041200001">1</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd referenceDocumentId="RetDoc1041200001">0</FundraisingActivitiesInd>
      <GamingActivitiesInd referenceDocumentId="RetDoc1041200001">0</GamingActivitiesInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <GrantsToOrganizationsInd>0</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd>0</GrantsToIndividualsInd>
      <ScheduleJRequiredInd referenceDocumentId="RetDoc1042400001">1</ScheduleJRequiredInd>
      <TaxExemptBondsInd>0</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd>0</PYExcessBenefitTransInd>
      <LoanOutstandingInd>0</LoanOutstandingInd>
      <GrantToRelatedPersonInd>0</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>0</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>0</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd>0</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd>0</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>0</DeductibleArtContributionInd>
      <TerminateOperationsInd>0</TerminateOperationsInd>
      <PartialLiquidationInd>0</PartialLiquidationInd>
      <DisregardedEntityInd>0</DisregardedEntityInd>
      <RelatedEntityInd>0</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>0</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd>0</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>1</ScheduleORequiredInd>
      <IRPDocumentCnt>29</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>1</BackupWthldComplianceInd>
      <EmployeeCnt>82</EmployeeCnt>
      <EmploymentTaxReturnsFiledInd>1</EmploymentTaxReturnsFiledInd>
      <UnrelatedBusIncmOverLimitInd>0</UnrelatedBusIncmOverLimitInd>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>0</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>0</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>0</QuidProQuoContributionsInd>
      <Form8282PropertyDisposedOfInd>0</Form8282PropertyDisposedOfInd>
      <RcvFndsToPayPrsnlBnftCntrctInd>0</RcvFndsToPayPrsnlBnftCntrctInd>
      <PayPremiumsPrsnlBnftCntrctInd>0</PayPremiumsPrsnlBnftCntrctInd>
      <IndoorTanningServicesInd>0</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>0</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>0</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>15</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>15</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>1</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>0</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>0</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>0</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>0</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>0</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>0</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>1</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>1</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>0</OfficerMailingAddressInd>
      <LocalChaptersInd>0</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>1</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>1</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>1</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>1</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>1</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>1</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>1</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>1</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>0</InvestmentInJointVentureInd>
      <StatesWhereCopyOfReturnIsFldCd>NY</StatesWhereCopyOfReturnIsFldCd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <PersonNm>TINA MOODY CAO TREASURER SECRET</PersonNm>
        <PhoneNum>5188913080</PhoneNum>
        <USAddress>
          <AddressLine1Txt>154 ALGONQUIN AVE</AddressLine1Txt>
          <CityNm>SARANAC LAKE</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>12983</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>AIRLIE CAMERON LENNON MDMPH</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ANDREW KENNEDY</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BENJAMIN BREWSTER</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BRUCE MCLANAHAN</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DANIEL KARLIN</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DANIEL LEFF</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DANIEL PAPES</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>STEVE ANDRZEJEWSKI</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>HENRY SONDHEIMER</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JULIE NORTH</PersonNm>
        <TitleTxt>VICE-CHAIR</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KENNETH BAYLES</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KONRAD KIP TESTWUIDE</PersonNm>
        <TitleTxt>CHAIR</TitleTxt>
        <AverageHoursPerWeekRt>10.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>RAYMOND N JOHNSON PHD</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>TIELMAN T VAN VLECK PHD</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>VINCENT A FISCHETTI PHD</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>WILLIAM CHAPIN</PersonNm>
        <TitleTxt>DIRECTOR AND CAO</TitleTxt>
        <AverageHoursPerWeekRt>38.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>246313</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>30030</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ALEX MAUE</PersonNm>
        <TitleTxt>PRINCIPAL INVESTIGATOR</TitleTxt>
        <AverageHoursPerWeekRt>38.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>146565</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>2430</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>FELIX SHEINERMAN</PersonNm>
        <TitleTxt>PRINCIPAL INVESTIGATOR</TitleTxt>
        <AverageHoursPerWeekRt>38.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>124129</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>32556</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>IN-JEONG KIM</PersonNm>
        <TitleTxt>PRINCIPAL INVESTIGATOR</TitleTxt>
        <AverageHoursPerWeekRt>38.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>120171</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>27855</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SHELTON BRADRICK</PersonNm>
        <TitleTxt>PRINCIPAL INVESTIGATOR</TitleTxt>
        <AverageHoursPerWeekRt>38.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>121071</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>4030</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>WILLIAM REILEY</PersonNm>
        <TitleTxt>PRINCIPAL INVESTIGATOR</TitleTxt>
        <AverageHoursPerWeekRt>38.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>199099</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>296</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>957348</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>97197</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>9</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>JENNIFER JUZAITIS</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>151 ALGONQUIN AVE APT 9</AddressLine1Txt>
            <CityNm>SARANAC LAKE</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>12983</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>PHILANTHROPY</ServicesDesc>
        <CompensationAmt>156000</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>1</CntrctRcvdGreaterThan100KCnt>
      <FederatedCampaignsAmt>15</FederatedCampaignsAmt>
      <GovernmentGrantsAmt>651225</GovernmentGrantsAmt>
      <AllOtherContributionsAmt>557348</AllOtherContributionsAmt>
      <TotalContributionsAmt>1208588</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>CONTRACT RESEARCH</Desc>
        <BusinessCd>541700</BusinessCd>
        <TotalRevenueColumnAmt>3677618</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>3677618</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>ACADEMIC RESEARCH</Desc>
        <BusinessCd>541700</BusinessCd>
        <TotalRevenueColumnAmt>79960</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>79960</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>3757578</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>301355</TotalRevenueColumnAmt>
        <ExclusionAmt>301355</ExclusionAmt>
      </InvestmentIncomeGrp>
      <RoyaltiesRevenueGrp>
        <TotalRevenueColumnAmt>326054</TotalRevenueColumnAmt>
        <ExclusionAmt>326054</ExclusionAmt>
      </RoyaltiesRevenueGrp>
      <GrossRentsGrp>
        <RealAmt>159411</RealAmt>
      </GrossRentsGrp>
      <LessRentalExpensesGrp>
        <RealAmt>107679</RealAmt>
      </LessRentalExpensesGrp>
      <RentalIncomeOrLossGrp>
        <RealAmt>51732</RealAmt>
      </RentalIncomeOrLossGrp>
      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>51732</TotalRevenueColumnAmt>
        <ExclusionAmt>51732</ExclusionAmt>
      </NetRentalIncomeOrLossGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>12356431</SecuritiesAmt>
        <OtherAmt>427257</OtherAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>11250903</SecuritiesAmt>
        <OtherAmt>73894</OtherAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>1105528</SecuritiesAmt>
        <OtherAmt>353363</OtherAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>1458891</TotalRevenueColumnAmt>
        <ExclusionAmt>1458891</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <OtherRevenueMiscGrp>
        <Desc>MISCELLANEOUS REVENUE</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>9794</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>9794</RelatedOrExemptFuncIncomeAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>9794</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>7113992</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>3767372</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>2138032</ExclusionAmt>
      </TotalRevenueGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>276343</TotalAmt>
        <ManagementAndGeneralAmt>276343</ManagementAndGeneralAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>4267029</TotalAmt>
        <ProgramServicesAmt>3600850</ProgramServicesAmt>
        <ManagementAndGeneralAmt>636887</ManagementAndGeneralAmt>
        <FundraisingAmt>29292</FundraisingAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>194381</TotalAmt>
        <ProgramServicesAmt>180403</ProgramServicesAmt>
        <ManagementAndGeneralAmt>12374</ManagementAndGeneralAmt>
        <FundraisingAmt>1604</FundraisingAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>594351</TotalAmt>
        <ProgramServicesAmt>488983</ProgramServicesAmt>
        <ManagementAndGeneralAmt>101022</ManagementAndGeneralAmt>
        <FundraisingAmt>4346</FundraisingAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>318753</TotalAmt>
        <ProgramServicesAmt>256719</ProgramServicesAmt>
        <ManagementAndGeneralAmt>59898</ManagementAndGeneralAmt>
        <FundraisingAmt>2136</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>33172</TotalAmt>
        <ManagementAndGeneralAmt>33172</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>41564</TotalAmt>
        <ManagementAndGeneralAmt>41564</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesLobbyingGrp>
        <TotalAmt>600</TotalAmt>
        <ManagementAndGeneralAmt>600</ManagementAndGeneralAmt>
      </FeesForServicesLobbyingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>18750</TotalAmt>
        <ManagementAndGeneralAmt>18750</ManagementAndGeneralAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>604630</TotalAmt>
        <ProgramServicesAmt>398373</ProgramServicesAmt>
        <ManagementAndGeneralAmt>24281</ManagementAndGeneralAmt>
        <FundraisingAmt>181976</FundraisingAmt>
      </FeesForServicesOtherGrp>
      <OfficeExpensesGrp>
        <TotalAmt>1285331</TotalAmt>
        <ProgramServicesAmt>1276314</ProgramServicesAmt>
        <ManagementAndGeneralAmt>7370</ManagementAndGeneralAmt>
        <FundraisingAmt>1647</FundraisingAmt>
      </OfficeExpensesGrp>
      <OccupancyGrp>
        <TotalAmt>787204</TotalAmt>
        <ProgramServicesAmt>757822</ProgramServicesAmt>
        <ManagementAndGeneralAmt>25537</ManagementAndGeneralAmt>
        <FundraisingAmt>3845</FundraisingAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>43949</TotalAmt>
        <ProgramServicesAmt>27168</ProgramServicesAmt>
        <ManagementAndGeneralAmt>10810</ManagementAndGeneralAmt>
        <FundraisingAmt>5971</FundraisingAmt>
      </TravelGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>1323239</TotalAmt>
        <ProgramServicesAmt>1279770</ProgramServicesAmt>
        <ManagementAndGeneralAmt>37781</ManagementAndGeneralAmt>
        <FundraisingAmt>5688</FundraisingAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>164721</TotalAmt>
        <ProgramServicesAmt>159312</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4701</ManagementAndGeneralAmt>
        <FundraisingAmt>708</FundraisingAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>REPAIRS &amp; MAINTENANCE</Desc>
        <TotalAmt>110128</TotalAmt>
        <ProgramServicesAmt>100803</ProgramServicesAmt>
        <ManagementAndGeneralAmt>8737</ManagementAndGeneralAmt>
        <FundraisingAmt>588</FundraisingAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>CREDIT LOSSES</Desc>
        <TotalAmt>45395</TotalAmt>
        <ProgramServicesAmt>45395</ProgramServicesAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>10109540</TotalAmt>
        <ProgramServicesAmt>8571912</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1299827</ManagementAndGeneralAmt>
        <FundraisingAmt>237801</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>301431</BOYAmt>
        <EOYAmt>705615</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>1499852</BOYAmt>
        <EOYAmt>613243</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PledgesAndGrantsReceivableGrp>
        <BOYAmt>1258890</BOYAmt>
        <EOYAmt>805600</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <AccountsReceivableGrp>
        <BOYAmt>313623</BOYAmt>
        <EOYAmt>312945</EOYAmt>
      </AccountsReceivableGrp>
      <InventoriesForSaleOrUseGrp>
        <BOYAmt>116014</BOYAmt>
        <EOYAmt>111906</EOYAmt>
      </InventoriesForSaleOrUseGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>190268</BOYAmt>
        <EOYAmt>226509</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>45327362</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>33886385</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>12375398</BOYAmt>
        <EOYAmt>11440977</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>8043042</BOYAmt>
        <EOYAmt>7145391</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <InvestmentsOtherSecuritiesGrp>
        <BOYAmt>757449</BOYAmt>
        <EOYAmt>50620</EOYAmt>
      </InvestmentsOtherSecuritiesGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>24866</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>24855967</BOYAmt>
        <EOYAmt>21437672</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>587162</BOYAmt>
        <EOYAmt>613196</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>587162</BOYAmt>
        <EOYAmt>613196</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>18272622</BOYAmt>
        <EOYAmt>14878066</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>5996183</BOYAmt>
        <EOYAmt>5946410</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>24268805</BOYAmt>
        <EOYAmt>20824476</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>24855967</BOYAmt>
        <EOYAmt>21437672</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>-2995548</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>-448781</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>1</FederalGrantAuditRequiredInd>
      <FederalGrantAuditPerformedInd>1</FederalGrantAuditPerformedInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>6148646</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>2920150</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>3601770</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1242484</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1208588</CurrentTaxYearAmt>
        <TotalAmt>15121638</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>6148646</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>2920150</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>3601770</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1242484</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1208588</CurrentTaxYearAmt>
        <TotalAmt>15121638</TotalAmt>
      </TotalCalendarYear170Grp>
      <PublicSupportTotal170Amt>15121638</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>563510</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>593724</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>942452</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>809970</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>786820</CurrentTaxYearAmt>
        <TotalAmt>3696476</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <OtherIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>22361</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>9240</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>7055</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>99217</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>9794</CurrentTaxYearAmt>
        <TotalAmt>147667</TotalAmt>
      </OtherIncome170Grp>
      <TotalSupportAmt>18965781</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>13912997</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.79730</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.84980</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>SCHEDULE A, PART II, LINE 10, EXPLANATION OF OTHER INCOME:</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER REVENUE - 2019 AMOUNT: $ 22,361. 2020 AMOUNT: $ 9,240. 2021 AMOUNT: $ 7,055. 2022 AMOUNT: $ 99,217. 2023 AMOUNT: $ 9,794.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleC documentId="RetDoc1039700001">
      <VolunteersInd>0</VolunteersInd>
      <PaidStaffOrManagementInd>0</PaidStaffOrManagementInd>
      <MediaAdvertisementsInd>0</MediaAdvertisementsInd>
      <MailingsMembersInd>0</MailingsMembersInd>
      <PublicationsOrBroadcastInd>0</PublicationsOrBroadcastInd>
      <GrantsOtherOrganizationsInd>0</GrantsOtherOrganizationsInd>
      <DirectContactLegislatorsInd>0</DirectContactLegislatorsInd>
      <RalliesDemonstrationsInd>0</RalliesDemonstrationsInd>
      <OtherActivitiesInd>1</OtherActivitiesInd>
      <OtherActivitiesAmt>600</OtherActivitiesAmt>
      <TotalLobbyingExpendituresAmt>600</TotalLobbyingExpendituresAmt>
      <NotDescribedSection501c3Ind>0</NotDescribedSection501c3Ind>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART II-B, LINE 1:</FormAndLineReferenceDesc>
        <ExplanationTxt>TRUDEAU INSTITUTE IS A MEMBER OF THE ASSOCIATION OF INDEPENDENT RESEARCH INSTITUTES (AIRI), WHICH IS A NATIONWIDE ASSOCIATION OF 75 INDEPENDENT, NOT-FOR-PROFIT RESEARCH INSTITUTES. TWENTY PERCENT OF THE ANNUAL MEMBERSHIP DUES ARE APPLIED TO AIRI LOBBYING EXPENSES. AIRI'S POLITICAL EFFORTS CONTINUE TO ADDRESS ISSUES RELATED TO CONGRESSIONAL DECISIONS IN REGARD TO FUNDING OF THE NATIONAL INSTITUTE OF HEALTH.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <AgentTrusteeEtcInd>0</AgentTrusteeEtcInd>
      <CYEndwmtFundGrp>
        <BeginningYearBalanceAmt>9996183</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>290487</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>4455630</OtherExpendituresAmt>
        <EndYearBalanceAmt>5831040</EndYearBalanceAmt>
      </CYEndwmtFundGrp>
      <CYMinus1YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>11044505</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>-1009518</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>38804</OtherExpendituresAmt>
        <EndYearBalanceAmt>9996183</EndYearBalanceAmt>
      </CYMinus1YrEndwmtFundGrp>
      <CYMinus2YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>10812889</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>372000</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>140384</OtherExpendituresAmt>
        <EndYearBalanceAmt>11044505</EndYearBalanceAmt>
      </CYMinus2YrEndwmtFundGrp>
      <CYMinus3YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>11262806</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>429027</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>878944</OtherExpendituresAmt>
        <EndYearBalanceAmt>10812889</EndYearBalanceAmt>
      </CYMinus3YrEndwmtFundGrp>
      <CYMinus4YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>11775457</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>893172</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>1405823</OtherExpendituresAmt>
        <EndYearBalanceAmt>11262806</EndYearBalanceAmt>
      </CYMinus4YrEndwmtFundGrp>
      <BoardDesignatedBalanceEOYPct>0.00000</BoardDesignatedBalanceEOYPct>
      <PrmnntEndowmentBalanceEOYPct>0.98330</PrmnntEndowmentBalanceEOYPct>
      <TermEndowmentBalanceEOYPct>0.01670</TermEndowmentBalanceEOYPct>
      <EndowmentsHeldUnrelatedOrgInd>1</EndowmentsHeldUnrelatedOrgInd>
      <EndowmentsHeldRelatedOrgInd>0</EndowmentsHeldRelatedOrgInd>
      <LandGrp>
        <OtherCostOrOtherBasisAmt>132063</OtherCostOrOtherBasisAmt>
        <BookValueAmt>132063</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>31517617</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>21418127</DepreciationAmt>
        <BookValueAmt>10099490</BookValueAmt>
      </BuildingsGrp>
      <LeaseholdImprovementsGrp>
        <OtherCostOrOtherBasisAmt>484240</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>429481</DepreciationAmt>
        <BookValueAmt>54759</BookValueAmt>
      </LeaseholdImprovementsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>13128541</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>12038777</DepreciationAmt>
        <BookValueAmt>1089764</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>64901</OtherCostOrOtherBasisAmt>
        <BookValueAmt>64901</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>11440977</TotalBookValueLandBuildingsAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>6772890</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>-448781</NetUnrealizedGainsInvstAmt>
      <RevenueNotReportedAmt>-448781</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>7221671</RevenueSubtotalAmt>
      <OtherRevenuesNotIncludedAmt>-107679</OtherRevenuesNotIncludedAmt>
      <RevenueNotReportedFinclStmtAmt>-107679</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>7113992</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>10217219</TotExpnsEtcAuditedFinclStmtAmt>
      <OtherExpensesIncludedAmt>107679</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>107679</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>10109540</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>10109540</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TRUDEAU INSTITUTE ENDOWMENT CONSISTS OF THREE FUNDS ESTABLISHED FOR A VARIETY OF PURPOSES, WHICH CONTINUES TO SUPPORT THE MAIN OBJECTIVE AND MISSION OF CONDUCTING BIOMEDICAL RESEARCH. THE TERM ENDOWMENT ARE THOSE ASSETS NOT SUBJECT TO DONOR-IMPOSED STIPULATIONS, WHICH MAY BE DESIGNATED FOR SPECIFIC PURPOSE BY ELECTION OF THE BOARD OF TRUSTEES. THE BOARD DESIGNATED (QUASI) ENDOWMENT PROVIDES EARNED INCOME IN SUPPORT OF THE INSTITUTE DIRECTOR. INCOME EARNED IN EXCESS OF THE STATED PURPOSE IS AVAILABLE FOR GENERAL OPERATIONS. THE PERMANENTLY RESTRICTED ENDOWMENT IS TO BE MAINTAINED IN PERPETUITY TO GENERATE INCOME FOR THE INSTITUTES OPERATIONAL NEEDS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE INSTITUTE FILES FORM 990 ANNUALLY WITH THE INTERNAL REVENUE SERVICE. WHEN ANNUAL RETURNS ARE FILED, SOME TAX POSITIONS TAKEN ARE HIGHLY CERTAIN TO BE SUSTAINED UPON EXAMINATION BY THE TAXING AUTHORITIES, WHILE OTHER TAX POSITIONS ARE SUBJECT TO UNCERTAINTY ABOUT THE TECHNICAL MERITS OF THE POSITION OR AMOUNT OF THE POSITIONS TAX BENEFIT THAT WOULD ULTIMATELY BE SUSTAINED. MANAGEMENT EVALUATED THE INSTITUTES TAX POSITIONS AND CONCLUDED THAT THE INSTITUTE HAD TAKEN NO TAX POSITIONS THAT REQUIRED ADJUSTMENT IN ITS FINANCIAL STATEMENTS AS OF DECEMBER 31, 2023 AND 2022.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>RENTAL EXPENSE -107,679.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>RENTAL EXPENSE 107,679.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleG documentId="RetDoc1041200001">
      <AgrmtProfFundraisingActyInd>1</AgrmtProfFundraisingActyInd>
      <FundraiserActivityInfoGrp>
        <PersonNm>JENNIFER JUZAITIS</PersonNm>
        <USAddress>
          <AddressLine1Txt>151 ALGONQUIN AVE APT 9</AddressLine1Txt>
          <CityNm>SARANAC LAKE</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>12983</ZIPCd>
        </USAddress>
        <ActivityTxt>FUNDRAISING</ActivityTxt>
        <FundraiserControlOfFundsInd>0</FundraiserControlOfFundsInd>
        <GrossReceiptsAmt>557363</GrossReceiptsAmt>
        <RetainedByContractorAmt>156000</RetainedByContractorAmt>
        <NetToOrganizationAmt>401363</NetToOrganizationAmt>
      </FundraiserActivityInfoGrp>
      <TotalGrossReceiptsAmt>557363</TotalGrossReceiptsAmt>
      <TotalRetainedByContractorsAmt>156000</TotalRetainedByContractorsAmt>
      <TotalNetToOrganizationAmt>401363</TotalNetToOrganizationAmt>
      <LicensedStatesCd>NY</LicensedStatesCd>
    </IRS990ScheduleG>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>WILLIAM CHAPIN</PersonNm>
        <TitleTxt>DIRECTOR AND CAO</TitleTxt>
        <BaseCompensationFilingOrgAmt>171313</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>75000</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>26280</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>3750</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>276343</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>WILLIAM REILEY</PersonNm>
        <TitleTxt>PRINCIPAL INVESTIGATOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>189599</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>9500</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>296</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>199395</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>FELIX SHEINERMAN</PersonNm>
        <TitleTxt>PRINCIPAL INVESTIGATOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>124129</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>23750</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>8806</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>156685</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>JULIE NORTH'S BROTHER-IN-LAW JOINED THE BOARD IN 2023.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>UPON REVIEW OF THE IRS FORM 990 BY THE PRESIDENT AND DIRECTOR , THE CHIEF ADMINISTRATIVE OFFICER AND CONTROLLER, AND THE AUDIT COMMITTEE, THE FORM 990 IS THEN FORWARDED TO ALL MEMBERS OF THE BOARD OF TRUSTEES AND OFFICIALLY FILED WITH THE INTERNAL REVENUE SERVICE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ANNUALLY, THE OFFICERS, DIRECTORS, AND MEMBERS OF THE BOARD OF TRUSTEES RECEIVE A COPY OF THE TRUDEAU INSTITUTE CONFLICT OF INTEREST POLICY. EACH PERSON IS REQUIRED TO SUBMIT A SIGNED CERTIFICATION THAT THEY WILL READ, UNDERSTAND, AND AGREE TO COMPLY WITH THE POLICY. IF THERE IS A DISCLOSURE, THE BOARD OF TRUSTEES WILL ASCERTAIN THE VALIDITY OF THE POTENTIAL CONFLICT AND FOLLOW POLICY FOR COMPLIANCE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>COMPENSATION FOR THE DIRECTOR AND CHIEF ADMINISTRATIVE OFFICER IS REVIEWED ANNUALLY AGAINST THE AIRI INSTITUTE ANNUAL SALARY SURVEY TO MAKE SURE SALARIES ARE IN LINE. THE PROCESS INCLUDES THE USE OF COMPARABLE COMPENSATION FOR THE SAME POSITION IN SIMILAR ORGANIZATIONS, WITH REVIEW AND APPROVAL BY THE EXECUTIVE COMMITTEE OF THE BOARD OF TRUSTEES. THE PROCESS FOR DETERMINING COMPENSATION FOR ALL OFFICERS IS COMPLETED ANNUALLY. DETERMINATION IS BASED UPON BENCHMARK DATA FROM SIMILAR ORGANIZATIONS AND REQUIRES REVIEW AND APPROVAL BY THE DIRECTOR AND THE BOARD OF TRUSTEES COMPENSATION COMMITTEE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 18</FormAndLineReferenceDesc>
        <ExplanationTxt>TRUDEAU INSTITUTE PROVIDES THE PUBLIC DIRECT ACCESS TO THE MOST RECENT AUDITED FINANCIAL STATEMENTS AND FORM 990 THROUGH THE ORGANIZATION'S WEBSITE. THE FINANCIAL STATEMENTS ARE ALSO PROVIDED TO ALL REGUALTORY AGENCIES, THE FEDERAL AND STATE GOVERNMENTS AND UPON REQUEST FROM VARIOUS INTERESTED PARTIES. FINANCIAL STATEMENTS, GOVERNING DOCUMENTS, AND INSTITUTE POLICIES ARE IN THE CARE OF THE TREASURER AND SECRETARY AND ARE MADE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>TRUDEAU INSTITUTE PROVIDES THE PUBLIC DIRECT ACCESS TO THE MOST RECENT AUDITED FINANCIAL STATEMENTS THROUGH THE ORGANIZATION'S WEBSITE. THE FINANCIAL STATEMENTS ARE ALSO PROVIDED TO ALL REGULATORY AGENCIES, THE FEDERAL AND STATE GOVERNMENTS AND UPON REQUEST FROM VARIOUS INTERESTED PARTIES. FINANCIAL STATEMENTS, GOVERNING DOCUMENTS, AND INSTITUTE POLICIES ARE IN THE CARE OF THE TREASURER AND SECRETARY AND ARE MADE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>