﻿<?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="2011v1.2">
  <ReturnHeader binaryAttachmentCount="0">
    <Timestamp>2012-09-17T14:37:24-00:00</Timestamp>
    <TaxPeriodEndDate>2011-12-31</TaxPeriodEndDate>
    <PreparerFirm>
      <PreparerFirmBusinessName>
        <BusinessNameLine1>SECHLER CPA PC</BusinessNameLine1>
      </PreparerFirmBusinessName>
      <PreparerFirmUSAddress>
        <AddressLine1>921 E ORANGE DRIVE</AddressLine1>
        <City>PHOENIX</City>
        <State>AZ</State>
        <ZIPCode>85014</ZIPCode>
      </PreparerFirmUSAddress>
    </PreparerFirm>
    <ReturnType>990</ReturnType>
    <TaxPeriodBeginDate>2011-01-01</TaxPeriodBeginDate>
    <Filer>
      <EIN>860975979</EIN>
      <Name>
        <BusinessNameLine1>THE KRONOS LONGEVITY RESEARCH INSTITUTE</BusinessNameLine1>
      </Name>
      <NameControl>KRON</NameControl>
      <Phone>6027787499</Phone>
      <USAddress>
        <AddressLine1>2492 N 24TH STREET Room No 1</AddressLine1>
        <City>PHOENIX</City>
        <State>AZ</State>
        <ZIPCode>85016</ZIPCode>
      </USAddress>
    </Filer>
    <Officer>
      <Name>PAT LEVIN</Name>
      <Title>SECRETARYTREASURER</Title>
      <DateSigned>2012-09-17</DateSigned>
      <AuthorizeThirdParty>true</AuthorizeThirdParty>
    </Officer>
    <Preparer>
      <Name>CAROLYN SECHLER</Name>
      <Phone>6022302700</Phone>
      <DatePrepared>2012-09-17</DatePrepared>
    </Preparer>
    <TaxYear>2011</TaxYear>
    <BuildTS>2016-02-24 21:20:13Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCount="6">
    <IRS990 documentId="990" softwareId="11000218" softwareVersion="2011.0.0">
      <NameOfPrincipalOfficerPerson>PAT CRENSHAW</NameOfPrincipalOfficerPerson>
      <AddressPrincipalOfficerUS>
        <AddressLine1>2492 N 24TH ST STE 1</AddressLine1>
        <City>PHOENIX</City>
        <State>AZ</State>
        <ZIPCode>85016</ZIPCode>
      </AddressPrincipalOfficerUS>
      <GrossReceipts>3940173</GrossReceipts>
      <GroupReturnForAffiliates>false</GroupReturnForAffiliates>
      <Organization501c3>X</Organization501c3>
      <WebSite>WWW.KRONOSINSTITUTE.ORG</WebSite>
      <TypeOfOrganizationCorporation>X</TypeOfOrganizationCorporation>
      <YearFormation>1999</YearFormation>
      <StateLegalDomicile>AZ</StateLegalDomicile>
      <ActivityOrMissionDescription>Conduct research on the human aging process and the prevention of age related diseases. Dedicated to translating basic discoveries into clinical practice thus improving medical care and bringing about healthier lives.</ActivityOrMissionDescription>
      <NbrVotingMembersGoverningBody>9</NbrVotingMembersGoverningBody>
      <NbrIndependentVotingMembers>7</NbrIndependentVotingMembers>
      <TotalNbrEmployees>0</TotalNbrEmployees>
      <TotalNbrVolunteers>7</TotalNbrVolunteers>
      <TotalGrossUBI>0</TotalGrossUBI>
      <ContributionsGrantsPriorYear>5272645</ContributionsGrantsPriorYear>
      <ContributionsGrantsCurrentYear>3939679</ContributionsGrantsCurrentYear>
      <ProgramServiceRevenueCY>0</ProgramServiceRevenueCY>
      <InvestmentIncomePriorYear>4248</InvestmentIncomePriorYear>
      <InvestmentIncomeCurrentYear>207</InvestmentIncomeCurrentYear>
      <OtherRevenuePriorYear>20</OtherRevenuePriorYear>
      <OtherRevenueCurrentYear>287</OtherRevenueCurrentYear>
      <TotalRevenuePriorYear>5276913</TotalRevenuePriorYear>
      <TotalRevenueCurrentYear>3940173</TotalRevenueCurrentYear>
      <GrantsAndSimilarAmntsCY>0</GrantsAndSimilarAmntsCY>
      <BenefitsPaidToMembersCY>0</BenefitsPaidToMembersCY>
      <SalariesEtcPriorYear>1105190</SalariesEtcPriorYear>
      <SalariesEtcCurrentYear>785229</SalariesEtcCurrentYear>
      <TotalProfFundrsngExpCY>0</TotalProfFundrsngExpCY>
      <TotalFundrsngExpCurrentYear>26072</TotalFundrsngExpCurrentYear>
      <OtherExpensePriorYear>2971036</OtherExpensePriorYear>
      <OtherExpensesCurrentYear>3015021</OtherExpensesCurrentYear>
      <TotalExpensesPriorYear>4076226</TotalExpensesPriorYear>
      <TotalExpensesCurrentYear>3800250</TotalExpensesCurrentYear>
      <RevenuesLessExpensesPriorYear>1200687</RevenuesLessExpensesPriorYear>
      <RevenuesLessExpensesCY>139923</RevenuesLessExpensesCY>
      <TotalAssetsBOY>1720052</TotalAssetsBOY>
      <TotalAssetsEOY>1773341</TotalAssetsEOY>
      <TotalLiabilitiesBOY>184543</TotalLiabilitiesBOY>
      <TotalLiabilitiesEOY>92600</TotalLiabilitiesEOY>
      <NetAssetsOrFundBalancesBOY>1535509</NetAssetsOrFundBalancesBOY>
      <NetAssetsOrFundBalancesEOY>1680741</NetAssetsOrFundBalancesEOY>
      <InfoInScheduleOPartIII>X</InfoInScheduleOPartIII>
      <MissionDescription>KLRI is dedicated to understanding the human aging process and preventing age-related diseases. KLRI conducts and fosters research that moves basic discoveries into clinical practice and communicates its research results to scientific and healthcare professionals and to the public so that people may enjoy longer and healthier lives.</MissionDescription>
      <SignificantNewProgramServices>false</SignificantNewProgramServices>
      <SignificantChange>false</SignificantChange>
      <Expense>3531454</Expense>
      <Description>RESEARCH SEE SCHEDULE O</Description>
      <Activity2>
        <Expense>45000</Expense>
        <Description>EDUCATION SEE SCHEDULE O</Description>
      </Activity2>
      <TotalProgramServiceExpense>3576454</TotalProgramServiceExpense>
      <DescribedIn501C3 referenceDocumentId="990A">true</DescribedIn501C3>
      <ScheduleBRequired referenceDocumentId="990B">true</ScheduleBRequired>
      <PoliticalActivities>false</PoliticalActivities>
      <LobbyingActivities>false</LobbyingActivities>
      <SubjectToProxyTax>false</SubjectToProxyTax>
      <DonorAdvisedFunds>false</DonorAdvisedFunds>
      <ConservationEasements>false</ConservationEasements>
      <CollectionsOfArt>false</CollectionsOfArt>
      <CreditCounseling>false</CreditCounseling>
      <TermOrPermanentEndowments>false</TermOrPermanentEndowments>
      <ReportLandBldgEquip referenceDocumentId="990D">true</ReportLandBldgEquip>
      <ReportInvestOthSecurities>false</ReportInvestOthSecurities>
      <ReportProgRelInvest>false</ReportProgRelInvest>
      <ReportOtherAssets>false</ReportOtherAssets>
      <ReportOtherLiabilities>false</ReportOtherLiabilities>
      <ReportFin48Footnote>false</ReportFin48Footnote>
      <IndependentAuditFinancialStmt>false</IndependentAuditFinancialStmt>
      <ConsolidatedAuditFinancialStmt>false</ConsolidatedAuditFinancialStmt>
      <School>false</School>
      <ForeignOffice>false</ForeignOffice>
      <ForeignActivities>false</ForeignActivities>
      <MoreThan5000KToOrganizations>false</MoreThan5000KToOrganizations>
      <MoreThan5000KToIndividuals>false</MoreThan5000KToIndividuals>
      <ProfessionalFundraising>false</ProfessionalFundraising>
      <FundraisingActivities>false</FundraisingActivities>
      <Gaming>false</Gaming>
      <Hospital>false</Hospital>
      <GrantsToOrganizations>false</GrantsToOrganizations>
      <GrantsToIndividuals>false</GrantsToIndividuals>
      <ScheduleJRequired referenceDocumentId="990J">true</ScheduleJRequired>
      <TaxExemptBonds>false</TaxExemptBonds>
      <ExcessBenefitTransaction>false</ExcessBenefitTransaction>
      <PriorExcessBenefitTransaction>false</PriorExcessBenefitTransaction>
      <LoanToOfficerOrDQP>false</LoanToOfficerOrDQP>
      <GrantToRelatedPerson>false</GrantToRelatedPerson>
      <BsnssRltnshpWithOrganization>false</BsnssRltnshpWithOrganization>
      <BsnssRltnshpThruFamilyMember>false</BsnssRltnshpThruFamilyMember>
      <OfficerEntityWithBsnssRltnshp>false</OfficerEntityWithBsnssRltnshp>
      <DeductibleNonCashContributions>false</DeductibleNonCashContributions>
      <DeductibleContributionsOfArt>false</DeductibleContributionsOfArt>
      <Terminated>false</Terminated>
      <PartialLiquidation>false</PartialLiquidation>
      <DisregardedEntity>false</DisregardedEntity>
      <RelatedEntity>false</RelatedEntity>
      <RelatedOrgControlledEntity>false</RelatedOrgControlledEntity>
      <TransactionRelatedEntity>false</TransactionRelatedEntity>
      <TransfersToExemptNonChrtblOrg>false</TransfersToExemptNonChrtblOrg>
      <ActivitiesConductedPartnership>false</ActivitiesConductedPartnership>
      <ScheduleORequired>true</ScheduleORequired>
      <InfoInScheduleOPartV>X</InfoInScheduleOPartV>
      <NumberFormsTransmittedWith1096>12</NumberFormsTransmittedWith1096>
      <NumberW2GIncluded>0</NumberW2GIncluded>
      <ComplianceWithBackupWitholding>true</ComplianceWithBackupWitholding>
      <NumberOfEmployees>0</NumberOfEmployees>
      <EmploymentTaxReturnsFiled>false</EmploymentTaxReturnsFiled>
      <UnrelatedBusinessIncome>false</UnrelatedBusinessIncome>
      <Form990-TFiled>false</Form990-TFiled>
      <ForeignFinancialAccount>false</ForeignFinancialAccount>
      <ProhibitedTaxShelterTrans>false</ProhibitedTaxShelterTrans>
      <TaxablePartyNotification>false</TaxablePartyNotification>
      <Form8886TFiled>false</Form8886TFiled>
      <NonDeductibleContributions>false</NonDeductibleContributions>
      <QuidProQuoContributions>false</QuidProQuoContributions>
      <Form8282PropertyDisposedOf>false</Form8282PropertyDisposedOf>
      <FundsToPayPremiums>false</FundsToPayPremiums>
      <PremiumsPaid>false</PremiumsPaid>
      <IndoorTanningServices>false</IndoorTanningServices>
      <InfoInScheduleOPartVI>X</InfoInScheduleOPartVI>
      <NbrVotingGoverningBodyMembers>9</NbrVotingGoverningBodyMembers>
      <NumberIndependentVotingMembers>7</NumberIndependentVotingMembers>
      <FamilyOrBusinessRelationship>false</FamilyOrBusinessRelationship>
      <DelegationOfManagementDuties>false</DelegationOfManagementDuties>
      <ChangesToOrganizingDocs>false</ChangesToOrganizingDocs>
      <MaterialDiversionOrMisuse>false</MaterialDiversionOrMisuse>
      <MembersOrStockholders>false</MembersOrStockholders>
      <ElectionOfBoardMembers>false</ElectionOfBoardMembers>
      <DecisionsSubjectToApproval>false</DecisionsSubjectToApproval>
      <MinutesOfGoverningBody>true</MinutesOfGoverningBody>
      <MinutesOfCommittees>true</MinutesOfCommittees>
      <OfficerMailingAddress>false</OfficerMailingAddress>
      <LocalChapters>false</LocalChapters>
      <Form990ProvidedToGoverningBody>true</Form990ProvidedToGoverningBody>
      <ConflictOfInterestPolicy>true</ConflictOfInterestPolicy>
      <AnnualDisclosureCoveredPersons>true</AnnualDisclosureCoveredPersons>
      <RegularMonitoringEnforcement>true</RegularMonitoringEnforcement>
      <WhistleblowerPolicy>true</WhistleblowerPolicy>
      <DocumentRetentionPolicy>true</DocumentRetentionPolicy>
      <CompensationProcessCEO>true</CompensationProcessCEO>
      <CompensationProcessOther>true</CompensationProcessOther>
      <InvestmentInJointVenture>false</InvestmentInJointVenture>
      <StatesWhereCopyOfReturnIsFiled>AZ</StatesWhereCopyOfReturnIsFiled>
      <UponRequest>X</UponRequest>
      <TheBooksAreInCareOf>
        <NamePerson>PAT CRENSHAW</NamePerson>
        <TelephoneNumber>6027787490</TelephoneNumber>
        <AddressUS>
          <AddressLine1>4942 N 24TH STREET STE 1</AddressLine1>
          <City>PHOENIX</City>
          <State>AZ</State>
          <ZIPCode>85016</ZIPCode>
        </AddressUS>
      </TheBooksAreInCareOf>
      <Form990PartVIISectionA>
        <NamePerson>Reubin Andres</NamePerson>
        <Title>Director</Title>
        <AverageHoursPerWeek>001.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>David H Benton</NamePerson>
        <Title>Director</Title>
        <AverageHoursPerWeek>001.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Marc R Blackman</NamePerson>
        <Title>Director</Title>
        <AverageHoursPerWeek>001.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>S Mitchell Harman</NamePerson>
        <Title>President</Title>
        <AverageHoursPerWeek>040.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>231154</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Jon S Cohen</NamePerson>
        <Title>Chairman of the Board</Title>
        <AverageHoursPerWeek>001.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Yvonne Hunter</NamePerson>
        <Title>Director</Title>
        <AverageHoursPerWeek>001.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Jorge Klor de Alva</NamePerson>
        <Title>Director</Title>
        <AverageHoursPerWeek>001.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Pat Levin</NamePerson>
        <Title>Secretary/Treasurer</Title>
        <AverageHoursPerWeek>040.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>82397</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Panayiotis Tsitouras MD</NamePerson>
        <Title>Clinical Director</Title>
        <AverageHoursPerWeek>040.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <KeyEmployee>X</KeyEmployee>
        <Former>X</Former>
        <ReportableCompFromOrganization>187852</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>John Wintersteen</NamePerson>
        <Title>Director</Title>
        <AverageHoursPerWeek>001.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Damin Lopez</NamePerson>
        <Title>Former Director</Title>
        <AverageHoursPerWeek>001.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <Former>X</Former>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Carol Jackson</NamePerson>
        <Title>Former Director</Title>
        <AverageHoursPerWeek>001.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <Former>X</Former>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Linda White Wolf</NamePerson>
        <Title>Former Director</Title>
        <AverageHoursPerWeek>001.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <Former>X</Former>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Dana A Jamison</NamePerson>
        <Title>Former Director</Title>
        <AverageHoursPerWeek>001.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <Former>X</Former>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>L Ben Lytle</NamePerson>
        <Title>Former Director</Title>
        <AverageHoursPerWeek>001.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <Former>X</Former>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <TotalReportableCompFromOrg>501403</TotalReportableCompFromOrg>
      <NumberIndividualsGT100K>2</NumberIndividualsGT100K>
      <FormersListed>true</FormersListed>
      <TotalCompGT150K>true</TotalCompGT150K>
      <CompensationFromOtherSources>false</CompensationFromOtherSources>
      <ContractorCompensation>
        <NameOfContractor>
          <NameBusiness>
            <BusinessNameLine1>Brigham &amp; Women's Hospital</BusinessNameLine1>
          </NameBusiness>
        </NameOfContractor>
        <AddressOfContractor>
          <AddressUS>
            <AddressLine1>900 Commonwelath Ave</AddressLine1>
            <City>Boston</City>
            <State>MA</State>
            <ZIPCode>02215</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
        <DescriptionOfServices>Research Services</DescriptionOfServices>
        <Compensation>307000</Compensation>
      </ContractorCompensation>
      <ContractorCompensation>
        <NameOfContractor>
          <NameBusiness>
            <BusinessNameLine1>Mayo Clinic</BusinessNameLine1>
          </NameBusiness>
        </NameOfContractor>
        <AddressOfContractor>
          <AddressUS>
            <AddressLine1>200 First Street SW</AddressLine1>
            <City>Rochester</City>
            <State>MN</State>
            <ZIPCode>55905</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
        <DescriptionOfServices>Research Services</DescriptionOfServices>
        <Compensation>309191</Compensation>
      </ContractorCompensation>
      <ContractorCompensation>
        <NameOfContractor>
          <NameBusiness>
            <BusinessNameLine1>Columbia University-NY Presbyterian Hospital</BusinessNameLine1>
          </NameBusiness>
        </NameOfContractor>
        <AddressOfContractor>
          <AddressUS>
            <AddressLine1>622 W 168th St PH-1540</AddressLine1>
            <City>New York</City>
            <State>NY</State>
            <ZIPCode>10032</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
        <DescriptionOfServices>Research Services</DescriptionOfServices>
        <Compensation>309191</Compensation>
      </ContractorCompensation>
      <ContractorCompensation>
        <NameOfContractor>
          <NameBusiness>
            <BusinessNameLine1>University of Utah</BusinessNameLine1>
          </NameBusiness>
        </NameOfContractor>
        <AddressOfContractor>
          <AddressUS>
            <AddressLine1>1471 E Federal Way</AddressLine1>
            <City>Salt Lake City</City>
            <State>UT</State>
            <ZIPCode>84102</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
        <DescriptionOfServices>Research Services</DescriptionOfServices>
        <Compensation>268862</Compensation>
      </ContractorCompensation>
      <ContractorCompensation>
        <NameOfContractor>
          <NameBusiness>
            <BusinessNameLine1>Montefiore Medical Center</BusinessNameLine1>
          </NameBusiness>
        </NameOfContractor>
        <AddressOfContractor>
          <AddressUS>
            <AddressLine1>111 E 210th Street</AddressLine1>
            <City>Bronx</City>
            <State>NY</State>
            <ZIPCode>10461</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
        <DescriptionOfServices>Research Services</DescriptionOfServices>
        <Compensation>257384</Compensation>
      </ContractorCompensation>
      <NumberOfContractorsGT100K>5</NumberOfContractorsGT100K>
      <AllOtherContributions>3939679</AllOtherContributions>
      <TotalContributions>3939679</TotalContributions>
      <InvestmentIncome>
        <TotalRevenueColumn>207</TotalRevenueColumn>
        <ExclusionAmount>207</ExclusionAmount>
      </InvestmentIncome>
      <OtherRevenueMisc>
        <Description>MISCELLANEOUS</Description>
        <BusinessCode>900099</BusinessCode>
        <TotalRevenueColumn>287</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>287</RelatedOrExemptFunctionIncome>
      </OtherRevenueMisc>
      <TotalOtherRevenue>287</TotalOtherRevenue>
      <TotalRevenue>
        <TotalRevenueColumn>3940173</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>287</RelatedOrExemptFunctionIncome>
        <ExclusionAmount>207</ExclusionAmount>
      </TotalRevenue>
      <GrantsToDomesticOrgs>
        <Total>0</Total>
      </GrantsToDomesticOrgs>
      <GrantsToDomesticIndividuals>
        <Total>0</Total>
      </GrantsToDomesticIndividuals>
      <ForeignGrants>
        <Total>0</Total>
      </ForeignGrants>
      <BenefitsToMembers>
        <Total>0</Total>
      </BenefitsToMembers>
      <CompCurrentOfficersDirectors>
        <Total>506377</Total>
        <ProgramServices>405102</ProgramServices>
        <ManagementAndGeneral>86084</ManagementAndGeneral>
        <Fundraising>15191</Fundraising>
      </CompCurrentOfficersDirectors>
      <CompDisqualPersons>
        <Total>0</Total>
      </CompDisqualPersons>
      <OtherSalariesAndWages>
        <Total>151295</Total>
        <ProgramServices>121036</ProgramServices>
        <ManagementAndGeneral>25720</ManagementAndGeneral>
        <Fundraising>4539</Fundraising>
      </OtherSalariesAndWages>
      <PensionPlanContributions>
        <Total>0</Total>
      </PensionPlanContributions>
      <OtherEmployeeBenefits>
        <Total>71655</Total>
        <ProgramServices>57324</ProgramServices>
        <ManagementAndGeneral>12181</ManagementAndGeneral>
        <Fundraising>2150</Fundraising>
      </OtherEmployeeBenefits>
      <PayrollTaxes>
        <Total>55902</Total>
        <ProgramServices>44722</ProgramServices>
        <ManagementAndGeneral>9503</ManagementAndGeneral>
        <Fundraising>1677</Fundraising>
      </PayrollTaxes>
      <FeesForServicesManagement>
        <Total>0</Total>
      </FeesForServicesManagement>
      <FeesForServicesLegal>
        <Total>4504</Total>
        <ManagementAndGeneral>4504</ManagementAndGeneral>
      </FeesForServicesLegal>
      <FeesForServicesAccounting>
        <Total>25700</Total>
        <ManagementAndGeneral>25700</ManagementAndGeneral>
      </FeesForServicesAccounting>
      <FeesForServicesLobbying>
        <Total>0</Total>
      </FeesForServicesLobbying>
      <FeesForServicesProfFundraising></FeesForServicesProfFundraising>
      <FeesForServicesInvstMgmntFees>
        <Total>0</Total>
      </FeesForServicesInvstMgmntFees>
      <FeesForServicesOther>
        <Total>46891</Total>
        <ProgramServices>46741</ProgramServices>
        <ManagementAndGeneral>127</ManagementAndGeneral>
        <Fundraising>23</Fundraising>
      </FeesForServicesOther>
      <Advertising>
        <Total>0</Total>
      </Advertising>
      <OfficeExpenses>
        <Total>23272</Total>
        <ProgramServices>18632</ProgramServices>
        <ManagementAndGeneral>4640</ManagementAndGeneral>
      </OfficeExpenses>
      <InformationTechnology>
        <Total>38771</Total>
        <ProgramServices>31017</ProgramServices>
        <ManagementAndGeneral>7754</ManagementAndGeneral>
      </InformationTechnology>
      <Royalties>
        <Total>0</Total>
      </Royalties>
      <Occupancy>
        <Total>58154</Total>
        <ProgramServices>46524</ProgramServices>
        <ManagementAndGeneral>9886</ManagementAndGeneral>
        <Fundraising>1744</Fundraising>
      </Occupancy>
      <Travel>
        <Total>16993</Total>
        <ProgramServices>13594</ProgramServices>
        <ManagementAndGeneral>3399</ManagementAndGeneral>
      </Travel>
      <TravelEntrtnmntPublicOfficials>
        <Total>0</Total>
      </TravelEntrtnmntPublicOfficials>
      <ConferencesMeetings>
        <Total>47815</Total>
        <ProgramServices>47252</ProgramServices>
        <ManagementAndGeneral>563</ManagementAndGeneral>
      </ConferencesMeetings>
      <Interest>
        <Total>0</Total>
      </Interest>
      <PaymentsToAffiliates>
        <Total>0</Total>
      </PaymentsToAffiliates>
      <DepreciationDepletion>
        <Total>11666</Total>
        <ProgramServices>8435</ProgramServices>
        <ManagementAndGeneral>3231</ManagementAndGeneral>
      </DepreciationDepletion>
      <Insurance>
        <Total>24921</Total>
        <ProgramServices>19937</ProgramServices>
        <ManagementAndGeneral>4236</ManagementAndGeneral>
        <Fundraising>748</Fundraising>
      </Insurance>
      <OtherExpenses>
        <Description>Patient Research Fees</Description>
        <Total>2672892</Total>
        <ProgramServices>2672892</ProgramServices>
      </OtherExpenses>
      <OtherExpenses>
        <Description>Bank Credit Cards Fees</Description>
        <Total>196</Total>
        <ManagementAndGeneral>196</ManagementAndGeneral>
      </OtherExpenses>
      <OtherExpenses>
        <Description>Other Consulting</Description>
        <Total>43246</Total>
        <ProgramServices>43246</ProgramServices>
      </OtherExpenses>
      <AllOtherExpenses>
        <Total>0</Total>
      </AllOtherExpenses>
      <TotalFunctionalExpenses>
        <Total>3800250</Total>
        <ProgramServices>3576454</ProgramServices>
        <ManagementAndGeneral>197724</ManagementAndGeneral>
        <Fundraising>26072</Fundraising>
      </TotalFunctionalExpenses>
      <CashNonInterestBearing>
        <BOY>412056</BOY>
        <EOY>946667</EOY>
      </CashNonInterestBearing>
      <SavingsAndTempCashInvestments>
        <BOY>1161028</BOY>
        <EOY>750000</EOY>
      </SavingsAndTempCashInvestments>
      <AccountsReceivable>
        <BOY>58610</BOY>
      </AccountsReceivable>
      <LandBuildingsEquipmentBasis>339853</LandBuildingsEquipmentBasis>
      <LandBldgEquipmentAccumDeprec>263179</LandBldgEquipmentAccumDeprec>
      <LandBuildingsEquipmentBasisNet>
        <BOY>88340</BOY>
        <EOY>76674</EOY>
      </LandBuildingsEquipmentBasisNet>
      <OtherAssetsTotal>
        <BOY>18</BOY>
      </OtherAssetsTotal>
      <TotalAssets>
        <BOY>1720052</BOY>
        <EOY>1773341</EOY>
      </TotalAssets>
      <AccountsPayableAccruedExpenses>
        <BOY>184288</BOY>
        <EOY>92600</EOY>
      </AccountsPayableAccruedExpenses>
      <OtherLiabilities>
        <BOY>255</BOY>
      </OtherLiabilities>
      <TotalLiabilities>
        <BOY>184543</BOY>
        <EOY>92600</EOY>
      </TotalLiabilities>
      <FollowSFAS117>X</FollowSFAS117>
      <UnrestrictedNetAssets>
        <BOY>1535509</BOY>
        <EOY>1680741</EOY>
      </UnrestrictedNetAssets>
      <TotalNetAssetsFundBalances>
        <BOY>1535509</BOY>
        <EOY>1680741</EOY>
      </TotalNetAssetsFundBalances>
      <TotalLiabNetAssetsFundBalances>
        <BOY>1720052</BOY>
        <EOY>1773341</EOY>
      </TotalLiabNetAssetsFundBalances>
      <InfoInScheduleOPartXI>X</InfoInScheduleOPartXI>
      <ReconcilationRevenueExpenses>139923</ReconcilationRevenueExpenses>
      <ReconcilationOtherChanges>5309</ReconcilationOtherChanges>
      <MethodOfAccountingAccrual>X</MethodOfAccountingAccrual>
      <AccountantCompileOrReview>false</AccountantCompileOrReview>
      <FSAudited>false</FSAudited>
      <AuditCommittee>false</AuditCommittee>
      <FederalGrantAuditRequired>false</FederalGrantAuditRequired>
    </IRS990>
    <IRS990ScheduleA documentId="990A" softwareId="11000218" softwareVersion="2011.0.0">
      <MedicalResearchOrg170b1Aiii>X</MedicalResearchOrg170b1Aiii>
      <HospitalNameAndAddress>
        <Name>
          <BusinessNameLine1>Univ of N Texas Health</BusinessNameLine1>
        </Name>
        <City>Fort Worth</City>
        <State>TX</State>
      </HospitalNameAndAddress>
      <PublicSupportPertcentage170>0.00000</PublicSupportPertcentage170>
      <PublicSupportPercentage509>0.00000</PublicSupportPercentage509>
      <InvestmentIncomePercentage>0.00000</InvestmentIncomePercentage>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="990B" softwareId="11000218" softwareVersion="2011.0.0">
      <ContributorInfo>
        <ContributorNumber>RESTRICTED</ContributorNumber>
        <ContributorNameBusiness>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorNameBusiness>
        <ContributorAddressUS>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorAddressUS>
        <AggregateContributions>RESTRICTED</AggregateContributions>
      </ContributorInfo>
    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="990D" softwareId="11000218" softwareVersion="2011.0.0">
      <IncludedOnFS>false</IncludedOnFS>
      <Equipment>
        <OtherCostOrOtherBasis>306853</OtherCostOrOtherBasis>
        <Depreciation>230179</Depreciation>
        <BookValue>76674</BookValue>
      </Equipment>
      <OtherLandBuildings>
        <OtherCostOrOtherBasis>33000</OtherCostOrOtherBasis>
        <Depreciation>33000</Depreciation>
      </OtherLandBuildings>
      <TotalOfBookValueLandBuildings>76674</TotalOfBookValueLandBuildings>
      <OtherLiabilities>
        <Description>DEFERRED RENT</Description>
      </OtherLiabilities>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="990J" softwareId="11000218" softwareVersion="2011.0.0">
      <Form990OfOtherOrganizations>X</Form990OfOtherOrganizations>
      <BoardOrCommitteeApproval>X</BoardOrCommitteeApproval>
      <SeverancePayment>false</SeverancePayment>
      <SupplementalNonqualRetirePlan>false</SupplementalNonqualRetirePlan>
      <EquityBasedCompArrangement>false</EquityBasedCompArrangement>
      <CompBasedOnRevenueOfFilingOrg>false</CompBasedOnRevenueOfFilingOrg>
      <CompBasedOnRevenueRelatedOrgs>false</CompBasedOnRevenueRelatedOrgs>
      <CompBasedNetEarningsFilingOrg>false</CompBasedNetEarningsFilingOrg>
      <CompBasedNetEarningsRelateOrgs>false</CompBasedNetEarningsRelateOrgs>
      <AnyNonFixedPayments>false</AnyNonFixedPayments>
      <InitialContractException>false</InitialContractException>
      <Form990ScheduleJPartII>
        <NamePerson>S Mitchell Harman</NamePerson>
        <BaseCompensationFilingOrg>231154</BaseCompensationFilingOrg>
        <NontaxableBenefitsFilingOrg>1677</NontaxableBenefitsFilingOrg>
        <TotalCompensationFilingOrg>232831</TotalCompensationFilingOrg>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>Panayiotis Tsitouras MD</NamePerson>
        <BaseCompensationFilingOrg>187852</BaseCompensationFilingOrg>
        <NontaxableBenefitsFilingOrg>3225</NontaxableBenefitsFilingOrg>
        <TotalCompensationFilingOrg>191077</TotalCompensationFilingOrg>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>Damin Lopez</NamePerson>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>Carol Jackson</NamePerson>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>Linda White Wolf</NamePerson>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>Dana A Jamison</NamePerson>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>L Ben Lytle</NamePerson>
      </Form990ScheduleJPartII>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="990O" softwareId="11000218" softwareVersion="2011.0.0">
      <GeneralExplanation>
        <Identifier>Form 990 Part VI</Identifier>
        <ReturnReference>11B</ReturnReference>
        <Explanation>The treasurer of the organization distributes a pdf copy of the 990 to all board members for review and comment prior to the return being filed.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990 Part VI</Identifier>
        <ReturnReference>12c</ReturnReference>
        <Explanation>AT EACH BOARD AND COMMITTEE MEETING, IF THERE IS A DISCUSSION OF SELECTING OR ENGAGING A VENDOR OR SERVICE PROVIDER, ALL IN ATTENDANCE ARE ASKED TO RECUSE THEMSELVES FROM THIS DISCUSSION IF THERE COULD BE A PERCEIVED CONFLICT. ROUTINELY, THE ORGANIZATION REVIEWS AND DISCUSSES THE CONFLICT OF INTEREST POLICY AND REQUESTS THAT EACH BOARD MEMBER LIST AND ACKNOWLEDGE ANY KNOWN CONFLICTS.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990 Part VI</Identifier>
        <ReturnReference>15</ReturnReference>
        <Explanation>The executive committee reviews the compensation for all officers and key employees by comparing their compensation to the compensation of individuals in like positions in comparable organizations using forms 990, compensation studies, and other available data. The committee then approves any changes in compensation based on this information.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990 Part VI</Identifier>
        <ReturnReference>19</ReturnReference>
        <Explanation>THE ORGANIZATION WILL PROVIDE IN A TIMELY MANNER, COPIES OF ALL GOVERNING DOCUMENTS INCLUDING ITS CONFLICT OF INTEREST POLICIES AND FINANCIAL STATEMENTS WHEN REQUESTED IN WRITING OR IN PERSON.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990 Part XI</Identifier>
        <ReturnReference>5</ReturnReference>
        <Explanation>PRIOR PERIOD ADJUSTMENT</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990 Part III</Identifier>
        <ReturnReference>4a</ReturnReference>
        <Explanation>RESEARCH - Analysis of data collection on two multi-year studies in 2011 Testosterone Effects on Atherosclerosis in Aging Men TEAAM and Systemic and Localized Stress Resilience in Aging Effects of Physical Fitness. Our largest study, the Kronos Early Estrogen Prevention Study KEEPS was fully enrolled with 728 subjects randomized at nine centers as of 2008. We have 500 subjects who have completed the study on the 48 month protocol. We continue to project a stop date of Feb. 28, 2012, by which time we should have more than the required 450 completers. Two papers and several abstracts were published by KLRI investigators in 2011</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990 Part III</Identifier>
        <ReturnReference>4a</ReturnReference>
        <Explanation>RESEARCH CONT - These papers included Harman SM, Vittinghoff E, Brinton EA, Budoff MJ, Cedars MI, Lobo RA, Merriam GR, Miller VM, Naftolin F, Pal L, Santoro N, Taylor HS, Black DM. Both timing of initiation and duration of hormone treatment may affect cardiovascular outcomes of menopausal hormone treatment. Am J Med 124199-205 2011.Jayachandran M, Litwiller RD, Lahr BD, Bailey KR, Owen WG, Mulvagh SL, Heit JA, Hodis HN, Harman SM, Miller VM. Alterations in Platelet Function and Cell-Derived Microvesicles in Recently Menopausal Women Relationship to Metabolic Syndrome and Atherogenic Risk. J Cardiovasc Trans Res 4811-822 2011</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990 Part V</Identifier>
        <ReturnReference>2a</ReturnReference>
        <Explanation>KLRI leases its staff from a professional employment organization PEO. In 2011 there were seven leased employees.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Explanation>Form 990 Part VI Section A Line 11B The treasurer of the organization distributes a pdf copy of the 990 to all board members for review and comment prior to the return being filed. Form 990 Part VI Section B Line 12c AT EACH BOARD AND COMMITTEE MEETING, IF THERE IS A DISCUSSION OF SELECTING OR ENGAGING A VENDOR OR SERVICE PROVIDER, ALL IN ATTENDANCE ARE ASKED TO RECUSE THEMSELVES FROM THIS DISCUSSION IF THERE COULD BE A PERCEIVED CONFLICT. ROUTINELY, THE ORGANIZATION REVIEWS AND DISCUSSES THE CONFLICT OF INTEREST POLICY AND REQUESTS THAT EACH BOARD MEMBER LIST AND ACKNOWLEDGE ANY KNOWN CONFLICTS. Form 990 Part VI Section B Line 15 The executive committee reviews the compensation for all officers and key employees by comparing their compensation to the compensation of individuals in like positions in comparable organizations using forms 990, compensation studies, and other available data. The committee then approves any changes in compensation based on this information. Form 990 Part VI Section C Line 19 THE ORGANIZATION WILL PROVIDE IN A TIMELY MANNER, COPIES OF ALL GOVERNING DOCUMENTS INCLUDING ITS CONFLICT OF INTEREST POLICIES AND FINANCIAL STATEMENTS WHEN REQUESTED IN WRITING OR IN PERSON. Form 990 Part XI Line 5 PRIOR PERIOD ADJUSTMENT Form 990 Part III Line 4a RESEARCH - Analysis of data collection on two multi-year studies in 2011 Testosterone Effects on Atherosclerosis in Aging Men TEAAM and Systemic and Localized Stress Resilience in Aging Effects of Physical Fitness. Our largest study, the Kronos Early Estrogen Prevention Study KEEPS was fully enrolled with 728 subjects randomized at nine centers as of 2008. We have 500 subjects who have completed the study on the 48 month protocol. We continue to project a stop date of Feb. 28, 2012, by which time we should have more than the required 450 completers. Two papers and several abstracts were published by KLRI investigators in 2011 Form 990 Part III Line 4a RESEARCH CONT - These papers included Harman SM, Vittinghoff E, Brinton EA, Budoff MJ, Cedars MI, Lobo RA, Merriam GR, Miller VM, Naftolin F, Pal L, Santoro N, Taylor HS, Black DM. Both timing of initiation and duration of hormone treatment may affect cardiovascular outcomes of menopausal hormone treatment. Am J Med 124199-205 2011.Jayachandran M, Litwiller RD, Lahr BD, Bailey KR, Owen WG, Mulvagh SL, Heit JA, Hodis HN, Harman SM, Miller VM. Alterations in Platelet Function and Cell-Derived Microvesicles in Recently Menopausal Women Relationship to Metabolic Syndrome and Atherogenic Risk. J Cardiovasc Trans Res 4811-822 2011 Form 990 Part V Line 2a KLRI leases its staff from a professional employment organization PEO. In 2011 there were seven leased employees.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
  </ReturnData>
</Return>