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        <PersonNm>GARY J SCHWARTZ</PersonNm>
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        <PersonNm>LEAH D WHIGHAM</PersonNm>
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        <PersonNm>DIANA THOMAS</PersonNm>
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        <PersonNm>SHINE CHANG</PersonNm>
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        <PersonNm>DEANNA M HOELSCHER</PersonNm>
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        <PersonNm>TIMOTHY H MORAN</PersonNm>
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        <PersonNm>ARYA M SHARMA</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>MARGARITA TERAN-GARCIA</PersonNm>
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        <PersonNm>FRANCESCA DEA</PersonNm>
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        <PersonNm>KATHY CLEARY</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>MOLLIE WIARD</PersonNm>
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            <BusinessNameLine1Txt>JOHN WILEY &amp; SONS INC</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
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            <CityNm>HOBOKEN</CityNm>
            <StateAbbreviationCd>NJ</StateAbbreviationCd>
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        <ExclusionAmt>302131</ExclusionAmt>
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      <NetGainOrLossInvestmentsGrp>
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        <ExclusionAmt>4474</ExclusionAmt>
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        <BusinessCd>900099</BusinessCd>
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        <ExclusionAmt>23750</ExclusionAmt>
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        <ExclusionAmt>487</ExclusionAmt>
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        <UnrelatedBusinessRevenueAmt>23435</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>379553</ExclusionAmt>
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      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
      <GrantsToDomesticIndividualsGrp>
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        <ProgramServicesAmt>262000</ProgramServicesAmt>
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        <ProgramServicesAmt>1000</ProgramServicesAmt>
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      <CompCurrentOfcrDirectorsGrp>
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      <FeesForServicesAccountingGrp>
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        <ProgramServicesAmt>48226</ProgramServicesAmt>
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        <FundraisingAmt>2035</FundraisingAmt>
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        <ManagementAndGeneralAmt>1520</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>23806</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4995</ManagementAndGeneralAmt>
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        <ManagementAndGeneralAmt>5162</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>38000</ProgramServicesAmt>
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        <ProgramServicesAmt>5939</ProgramServicesAmt>
        <ManagementAndGeneralAmt>8988</ManagementAndGeneralAmt>
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      <OtherExpensesGrp>
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        <ProgramServicesAmt>9850</ProgramServicesAmt>
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      <OtherExpensesGrp>
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        <ProgramServicesAmt>9042</ProgramServicesAmt>
        <FundraisingAmt>370</FundraisingAmt>
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      <AllOtherExpensesGrp>
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        <ProgramServicesAmt>3685</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2164</ManagementAndGeneralAmt>
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        <FundraisingAmt>12207</FundraisingAmt>
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        <EOYAmt>575181</EOYAmt>
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        <EOYAmt>93781</EOYAmt>
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        <EOYAmt>397619</EOYAmt>
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        <EOYAmt>45163</EOYAmt>
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        <EOYAmt>67881</EOYAmt>
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        <EOYAmt>4750</EOYAmt>
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        <EOYAmt>2466066</EOYAmt>
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        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>TO GRANT MONIES FOR RESEARCH ON OBESITY, TO RECOGNIZE SIGNIFICANT ACHIEVEMENTS IN IMPROVING THE LIVES OF THOSE AFFECTED BY OBESITY, FOR ADVANCING THE SCIENTIFIC AND CLINICAL BASIS FOR TREATING OBESITY, AND TO RECOGNIZE LIFETIME OUTSTANDING CONTRIBUTIONS IN THE FIELD OF STUDY OF OBESITY.</ExplanationTxt>
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        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
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        <CashGrantAmt>2000</CashGrantAmt>
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      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>LILLY SCIENTIFIC ACHEIVEMENT AWARD</GrantTypeTxt>
        <RecipientCnt>1</RecipientCnt>
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      <GrantsOtherAsstToIndivInUSGrp>
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        <ExplanationTxt>GRANT AMOUNTS ARE GIVEN OUT IN INCREMENTS, PROGRESS REPORTS AND BUDGETS ARE REQUIRED AT CERTAIN INTERVALS. FINAL REPORT OF RESEARCH CONCLUSIONS ARE REQUIRED FOR FINAL PAYMENT.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 1</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE COMMITTEE OF TOS IS COMPRISED OF THE IMMEDIATE PAST PRESIDENT, PRESIDENT, PRESIDENT-ELECT, VICE-PRESIDENT, SECRETARY/TREASURER AND THE TOS EXECUTIVE DIRECTOR (EX-OFFICIO BUT WITHOUT A VOTE) AND HAVE THE POWERS OF THE COUNCIL AND ARE AUTHORIZED TO ACT IN BETWEEN COUNCIL MEETINGS, PROVIDED THE EXECUTIVE COMMITTEE DOES NOT DIMINISH THE AUTHORITY OF THE COUNCIL. ALL ACTS OF THE EXECUTIVE COMMITTEE SHALL BE REPORTED TO THE COUNCIL AT ITS NEXT MEETING FOR RATIFICATION.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 4</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BYLAWS WERE AMENDED TO SPECIFY THE QUALIFICATIONS NEEDED TO SERVE AS SECRETARY/TREASURER (PREVIOUS SERVICE ON THE FINANCE AND/OR AUDIT COMMITTEE OF TOS, OR IN A SIMILAR CAPACITY IN ANOTHER PEER ORGANIZATION. THE CHANGE IN THE BYLAWS ALSO PROVIDED FOR THE SECRETARY/TREASURER TO EXTEND THEIR TERM FOR AN ADDITIONAL YEAR IF NO QUALIFIED CANDIDATE WAS IDENTIFIED AT THE TIME OF THE ELECTION.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS 5 CLASSES OF INDIVIDUAL MEMBERSHIPS ALL OF WHICH ARE BASED ON RECEIPT OF ANNUAL DUES. THESE INCLUDE THE FOLLOWING CLASSES: 1) REGULAR MEMBERS AND FELLOWS, THESE INDIVIDUALS MAY HOLD OFFICE OR VOTE FOR AMENDMENTS TO THE ARTICLES OF INCORPORATION OR THE BYLAWS, ELECT OFFICERS AND MEMBERS OF THE NOMINATING COMMITTEE; 2) EARLY CAREER MEMBERS, THESE INDIVIDUALS MAY HOLD OFFICE OR VOTE FOR AMENDMENTS TO THE ARTICLES OF INCORPORATION OR THE BYLAWS, ELECT OFFICERS AND MEMBERS OF THE NOMINATING COMMITTEE; 3) STUDENT MEMBERS, THESE INDIVIDUALS MUST BE ACTIVELY ENROLLED IN A DEGREE GRANTING PROGRAM AND CANNOT VOTE OR HOLD OFFICE; 4) EMERITUS MEMBERS, THESE INDIVIDUALS ARE RETIRED AND NO LONGER RECEIVE SUPPORT FROM A UNIVERSITY, INSTITUTION, OR CORPORATION, THEY MAY VOTE FOR AMENDMENTS TO THE ARTICLES OF INCORPORATION OF THE BYLAWS, ELECT OFFICERS AND NOMINATING COMMITTEE, 5) HONORARY MEMBERS, THESE ARE INDIVIDUALS RECOGNIZED BY THE SOCIETY FOR OUTSTANDING CONTRIBUTIONS TO THE FIELD OF OBESITY SCIENCE, THEY CANNOT VOTE OR HOLD OFFICE.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE NOMINATING COMMITTEE SHALL PROPOSE AT MINIMUM TWO CANDIDATES FOR THE OFFICES OF VICE-PRESIDENT, SECRETARY/TREASURER AND FOR EACH COUNCILOR AND THE OBESITY SOCIETY'S REGIONAL VICE-PRESIDENT FOR NORTH AMERICA IN THE YEARS WHERE APPLICABLE. THE MEMBERSHIP MAY ALSO PUT FORWARD POTENTIAL CANDIDATES FOR CONSIDERATION BY THE NOMINATING COMMITTEE BY SUBMITTING A NOMINATION PETITION SIGNED BY TEN REGULAR ACTIVE MEMBERS. ALL NOMINEES MUST BE FELLOWS AND REGULAR MEMBERS IN GOOD STANDING OF THE SOCIETY. THE LIST OF NOMINEES FOR ALL OFFICES WILL BE PROVIDED TO ALL ACTIVE MEMBERS ELIGIBLE TO VOTE VIA EMAIL AHEAD OF THE ELECTIONS AND VOTING WILL BE CONDUCTED THROUGH A SECURE ONLINE PLATFORM. THE INDIVIDUALS RECEIVING THE MOST VOTES WILL BE ELECTED TO THE OFFICE UNDER CONSIDERATION. IN THE EVENT OF A TIE VOTE, THE COUNCIL SHALL DECIDE THE ELECTION.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>IF SUBMITTED IN A PETITION CONTAINING SIGNATURES OF 10% OF THE ACTIVE FELLOWS AND REGULAR MEMBERS, AMENDMENTS TO THE BYLAWS MUST BE SUBMITTED TO ALL FELLOWS AND REGULAR MEMBERS FOR A VOTE. PROPOSED AMENDMENTS TO THE BYLAWS ARISING FROM THE MEMBERSHIP MUST BE SUBMITTED TO THE NATIONAL OFFICE AT LEAST SIX MONTHS IN ADVANCE OF ANY VOTE. ADOPTION OF ANY AMENDMENT TO THE BYLAWS REQUIRES TWO THIRDS OF THE VOTES CAST BE IN FAVOR OF SUCH AN ACTION.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE DRAFT FORM 990 IS PREPARED BY OUTSIDE ACCOUNTANTS AND REVIEWED BY MANAGEMENT. THE DRAFT OF THE 990 IS THEN SHARED WITH THE MEMBERS OF EXECUTIVE COMMITTEE PRIOR TO FINALIZING THE RETURN AND FILING WITH THE IRS. THE EXECUTIVE COMMITTEE, PER THE BYLAWS, HAS THE AUTHORITY TO MAKE DECISIONS ON BEHALF OF THE FULL BOARD OF DIRECTORS.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>TOS DOES HAVE A WRITTEN POLICY REGARDING THE REQUIREMENT FOR THOSE IN LEADERSHIP POSITION TO DISCLOSE ANY POTENTIAL CONFLICTS OF INTEREST (COI), AND REQUIRES THAT ALL INDIVIDUALS IN AN ELECTED LEADERSHIP POSITION UPDATE THESE DISCLOSURES ON AN ANNUAL BASIS DURING THEIR TERM OF OFFICE. SHOULD A CONCERN ARISE REGARDING AN UNRESOLVED COI THE SITUATION WILL BE REFERRED TO THE ETHICS COMMITTEE FOR ADJUDICATION. IF THE ETHICS COMMITTEE DETERMINES THAT CORRECTIVE MEASURES ARE NEEDED, THEY WILL APPRISE THE EXECUTIVE COMMITTEE AND PROVIDE A RECOMMENDATION REGARDING WHAT WOULD CONSTITUTE AN APPROPRIATE CORRECTIVE ACTION. THE EXECUTIVE COMMITTEE WILL THEN FINALIZE THE DECISION AND IMPLEMENT THE ACTIONS TO CORRECT THE SITUATION IN AN EXPEDIENT AND TRANSPARENT MANNER.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>INDEPENDENT MEMBERS OF THE GOVERNING BODY REVIEW COMPARABLE SALARIES BASED ON ASAE GUIDES AND OTHER SIMILAR SALARY GUIDES. THE PROCESS IS DOCUMENTED IN THE MINUTES OF THE BOARD MEETINGS. THIS WAS LAST PERFORMED IN 2017.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S CONFICT OF INTEREST POLICY IS AVAILABLE ON ITS WEBSITE. THE ORGANIZATION MAKES ITS GOVERNING DOCUMENTS, AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC UPON REQUEST.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>CONSULTANTS: PROGRAM SERVICE EXPENSES 294,239. MANAGEMENT AND GENERAL EXPENSES 10,175. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 304,414. PAYROLL AND BENEFIT FEES: PROGRAM SERVICE EXPENSES 5,287. MANAGEMENT AND GENERAL EXPENSES 1,109. FUNDRAISING EXPENSES 48. TOTAL EXPENSES 6,444. DESIGN SERVICES: PROGRAM SERVICE EXPENSES 27,097. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 27,097. CONTRACT SERVICES: PROGRAM SERVICE EXPENSES 154,459. MANAGEMENT AND GENERAL EXPENSES 1,188. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 155,647. TEMPORARY HELP: PROGRAM SERVICE EXPENSES 41,156. MANAGEMENT AND GENERAL EXPENSES 48,596. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 89,752. ADVOCACY: PROGRAM SERVICE EXPENSES 24,000. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 24,000.</ExplanationTxt>
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        <GeneralOrManagingPartnerInd>1</GeneralOrManagingPartnerInd>
        <OwnershipPct>0.50000</OwnershipPct>
      </IdRelatedOrgTxblPartnershipGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>0</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>1</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>0</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>1</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>OBESITY WEEK LLC</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>D</TransactionTypeTxt>
        <InvolvedAmt>241446</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>CASH</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
    </IRS990ScheduleR>
  </ReturnData>
</Return>