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      <Form990PartVIISectionAGrp>
        <PersonNm>JAN HESTHAVEN</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>RANDALL J LEVEQUE</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ESMONG NG</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ALISON RAMAGE</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BEATRICE RIVIERE</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BONITA V SAUNDERS</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CHI-WANG SHU</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SVEN LEYFFER</PersonNm>
        <TitleTxt>PRESIDENT-ELECT</TitleTxt>
        <AverageHoursPerWeekRt>7.50</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>GITTA KUTYNIOK</PersonNm>
        <TitleTxt>VICE PRESIDENT AT LARGE</TitleTxt>
        <AverageHoursPerWeekRt>7.50</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SUSAN MINKOFF</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHoursPerWeekRt>7.50</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KATHLEEN KAVANAGH</PersonNm>
        <TitleTxt>VICE PRESIDENT FOR EDUCATION</TitleTxt>
        <AverageHoursPerWeekRt>7.50</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>RON BUCKMIRE</PersonNm>
        <TitleTxt>VICE PRESIDENT FOR EQUITY, DIVERSITY AND INCLUSION</TitleTxt>
        <AverageHoursPerWeekRt>7.50</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SHARON ARROYO</PersonNm>
        <TitleTxt>VICE PRESIDENT FOR INDUSTRY</TitleTxt>
        <AverageHoursPerWeekRt>7.50</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JAMES G NAGY</PersonNm>
        <TitleTxt>VICE PRESIDENT FOR PROGRAMS</TitleTxt>
        <AverageHoursPerWeekRt>7.50</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>HOWARD ELMAN</PersonNm>
        <TitleTxt>VICE PRESIDENT FOR PUBLICATIONS</TitleTxt>
        <AverageHoursPerWeekRt>7.50</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ANNE GELB</PersonNm>
        <TitleTxt>VICE PRESIDENT FOR SCIENCE POLICY</TitleTxt>
        <AverageHoursPerWeekRt>7.50</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SUZANNE L WEEKES</PersonNm>
        <TitleTxt>CHIEF EXECUTIVE OFFICER</TitleTxt>
        <AverageHoursPerWeekRt>36.25</AverageHoursPerWeekRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>370442</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>42893</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SUSAN A PALANTINO</PersonNm>
        <TitleTxt>CHIEF OPERATING OFFICER</TitleTxt>
        <AverageHoursPerWeekRt>36.25</AverageHoursPerWeekRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>236991</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>37483</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KIVMARS H BOWLING</PersonNm>
        <TitleTxt>DIRECTOR, PUBLICATIONS</TitleTxt>
        <AverageHoursPerWeekRt>36.25</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>189653</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>32115</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LAUREN R STEIDEL</PersonNm>
        <TitleTxt>CONTROLLER</TitleTxt>
        <AverageHoursPerWeekRt>36.25</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>159273</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>20218</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MATTHEW T POSEY</PersonNm>
        <TitleTxt>DIRECTOR, INFORMATION SERVICES</TitleTxt>
        <AverageHoursPerWeekRt>36.25</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>154826</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>25061</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>RICHARD O MOORE</PersonNm>
        <TitleTxt>DIRECTOR, PROGRAMS AND SERVICES</TitleTxt>
        <AverageHoursPerWeekRt>36.25</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>154043</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>16680</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MICHELLE J MONTGOMERY</PersonNm>
        <TitleTxt>DIRECTOR, PROJECTS</TitleTxt>
        <AverageHoursPerWeekRt>36.25</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>119723</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>26438</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>1384951</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>200888</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>7</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>LUMINA DATAMATICS INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>DEPT CH 16508</AddressLine1Txt>
            <CityNm>PALATINE</CityNm>
            <StateAbbreviationCd>IL</StateAbbreviationCd>
            <ZIPCd>60055</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>COMPOSITION / EDITING</ServicesDesc>
        <CompensationAmt>249456</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>PERSONIFY CORPORATION</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>6500 RIVER PLACE BLVD BLDG 3 STE</AddressLine1Txt>
            <CityNm>AUSTIN</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>78730</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>ASSN MGMT SYSTEM - UPGRADE/SUPPORT</ServicesDesc>
        <CompensationAmt>159860</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>LEWIS-BURKE ASSOCIATES</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1341 G STREET NW 8TH FLOOR</AddressLine1Txt>
            <CityNm>WASHINGTON</CityNm>
            <StateAbbreviationCd>DC</StateAbbreviationCd>
            <ZIPCd>20005</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>LOBBYING</ServicesDesc>
        <CompensationAmt>143222</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>ATYPON SYSTEMS INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>5201 GREAT AMERICAN WAY STE 510</AddressLine1Txt>
            <CityNm>SANTA CLARA</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>95054</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>ELECTRONIC PRODUCTS HOST</ServicesDesc>
        <CompensationAmt>131969</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>TRIPBUILDER</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>180 POST ROAD EAST STE 200</AddressLine1Txt>
            <CityNm>WESTPORT</CityNm>
            <StateAbbreviationCd>CT</StateAbbreviationCd>
            <ZIPCd>06880</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>A/V EQUIPMENT RENTAL</ServicesDesc>
        <CompensationAmt>116806</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>5</CntrctRcvdGreaterThan100KCnt>
      <GovernmentGrantsAmt>505682</GovernmentGrantsAmt>
      <AllOtherContributionsAmt>1131076</AllOtherContributionsAmt>
      <TotalContributionsAmt>1636758</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>SUBSCRIPTIONS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>6456648</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>6456648</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>CONFERENCE AND MEETINGS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>2042475</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>2042475</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>MEMBERSHIP DUES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>1099154</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>1099154</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>ADVERTISING INCOME</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>173596</TotalRevenueColumnAmt>
        <UnrelatedBusinessRevenueAmt>31765</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>141831</ExclusionAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>PUBLICATIONS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>27166</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>27166</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>9799039</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>1044794</TotalRevenueColumnAmt>
        <ExclusionAmt>1044794</ExclusionAmt>
      </InvestmentIncomeGrp>
      <RoyaltiesRevenueGrp>
        <TotalRevenueColumnAmt>18352</TotalRevenueColumnAmt>
        <ExclusionAmt>18352</ExclusionAmt>
      </RoyaltiesRevenueGrp>
      <GrossRentsGrp>
        <RealAmt>108174</RealAmt>
      </GrossRentsGrp>
      <LessRentalExpensesGrp>
        <RealAmt>0</RealAmt>
      </LessRentalExpensesGrp>
      <RentalIncomeOrLossGrp>
        <RealAmt>108174</RealAmt>
      </RentalIncomeOrLossGrp>
      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>108174</TotalRevenueColumnAmt>
        <ExclusionAmt>108174</ExclusionAmt>
      </NetRentalIncomeOrLossGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>5663306</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>4392566</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>1270740</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>1270740</TotalRevenueColumnAmt>
        <ExclusionAmt>1270740</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <GrossSalesOfInventoryAmt>1113375</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>221859</CostOfGoodsSoldAmt>
      <NetIncomeOrLossGrp>
        <TotalRevenueColumnAmt>891516</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>891516</RelatedOrExemptFuncIncomeAmt>
      </NetIncomeOrLossGrp>
      <OtherRevenueMiscGrp>
        <Desc>MISCELLANEOUS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>112731</TotalRevenueColumnAmt>
        <ExclusionAmt>112731</ExclusionAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>112731</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>14882104</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>10516959</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>31765</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>2696622</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>141737</TotalAmt>
        <ProgramServicesAmt>141737</ProgramServicesAmt>
      </GrantsToDomesticIndividualsGrp>
      <ForeignGrantsGrp>
        <TotalAmt>45496</TotalAmt>
        <ProgramServicesAmt>45496</ProgramServicesAmt>
      </ForeignGrantsGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>687710</TotalAmt>
        <ProgramServicesAmt>385118</ProgramServicesAmt>
        <ManagementAndGeneralAmt>281960</ManagementAndGeneralAmt>
        <FundraisingAmt>20632</FundraisingAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>4727935</TotalAmt>
        <ProgramServicesAmt>2670485</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1919706</ManagementAndGeneralAmt>
        <FundraisingAmt>137744</FundraisingAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>433616</TotalAmt>
        <ProgramServicesAmt>359640</ProgramServicesAmt>
        <ManagementAndGeneralAmt>58593</ManagementAndGeneralAmt>
        <FundraisingAmt>15383</FundraisingAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>464702</TotalAmt>
        <ProgramServicesAmt>377570</ProgramServicesAmt>
        <ManagementAndGeneralAmt>70808</ManagementAndGeneralAmt>
        <FundraisingAmt>16324</FundraisingAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>389727</TotalAmt>
        <ProgramServicesAmt>342159</ProgramServicesAmt>
        <ManagementAndGeneralAmt>30503</ManagementAndGeneralAmt>
        <FundraisingAmt>17065</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>22272</TotalAmt>
        <ManagementAndGeneralAmt>22272</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>30070</TotalAmt>
        <ManagementAndGeneralAmt>30070</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesLobbyingGrp>
        <TotalAmt>143222</TotalAmt>
        <ManagementAndGeneralAmt>143222</ManagementAndGeneralAmt>
      </FeesForServicesLobbyingGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>341399</TotalAmt>
        <ProgramServicesAmt>33138</ProgramServicesAmt>
        <ManagementAndGeneralAmt>308261</ManagementAndGeneralAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>462612</TotalAmt>
        <ProgramServicesAmt>227017</ProgramServicesAmt>
        <ManagementAndGeneralAmt>123679</ManagementAndGeneralAmt>
        <FundraisingAmt>111916</FundraisingAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>845622</TotalAmt>
        <ProgramServicesAmt>561143</ProgramServicesAmt>
        <ManagementAndGeneralAmt>284479</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <RoyaltiesGrp>
        <TotalAmt>452982</TotalAmt>
        <ProgramServicesAmt>452982</ProgramServicesAmt>
      </RoyaltiesGrp>
      <OccupancyGrp>
        <TotalAmt>269436</TotalAmt>
        <ProgramServicesAmt>152038</ProgramServicesAmt>
        <ManagementAndGeneralAmt>109522</ManagementAndGeneralAmt>
        <FundraisingAmt>7876</FundraisingAmt>
      </OccupancyGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>729394</TotalAmt>
        <ProgramServicesAmt>520873</ProgramServicesAmt>
        <ManagementAndGeneralAmt>208521</ManagementAndGeneralAmt>
      </ConferencesMeetingsGrp>
      <InterestGrp>
        <TotalAmt>24889</TotalAmt>
        <ManagementAndGeneralAmt>24889</ManagementAndGeneralAmt>
      </InterestGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>215432</TotalAmt>
        <ProgramServicesAmt>121564</ProgramServicesAmt>
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        <TypeOfActivitiesConductedTxt>GRANTMAKING</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>TRAVEL AWARDS (SUPPORT) TO ATTEND MEETINGS</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>995</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>SOUTH ASIA</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>GRANTMAKING</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>TRAVEL AWARDS (SUPPORT) TO ATTEND MEETINGS</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>1635</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>SUB-SAHARAN AFRICA</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>GRANTMAKING</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>TRAVEL AWARDS (SUPPORT) TO ATTEND MEETINGS</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>800</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalOfficesCnt>0</SubtotalOfficesCnt>
      <SubtotalEmployeesCnt>0</SubtotalEmployeesCnt>
      <ContinuationTotalOfficeCnt>0</ContinuationTotalOfficeCnt>
      <ContinuationTotalEmployeeCnt>0</ContinuationTotalEmployeeCnt>
      <TotalOfficeCnt>0</TotalOfficeCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <SubtotalSpentAmt>52436</SubtotalSpentAmt>
      <ContinuationSpentAmt>3430</ContinuationSpentAmt>
      <TotalSpentAmt>55866</TotalSpentAmt>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>TRAVEL AWARD (SUPPORT) TO ATTEND MEETINGS</TypeOfAssistanceTxt>
        <RegionTxt>EAST ASIA AND THE PACIFIC</RegionTxt>
        <RecipientCnt>4</RecipientCnt>
        <CashGrantAmt>2785</CashGrantAmt>
        <MannerOfCashDisbursementTxt>CHECK/WIRE TRANSFER</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>TRAVEL AWARD (SUPPORT) TO ATTEND MEETINGS</TypeOfAssistanceTxt>
        <RegionTxt>EUROPE (INCLUDING ICELAND &amp; GREENLAND)</RegionTxt>
        <RecipientCnt>74</RecipientCnt>
        <CashGrantAmt>31005</CashGrantAmt>
        <MannerOfCashDisbursementTxt>CHECK/WIRE TRANSFER</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>TRAVEL AWARD (SUPPORT) TO ATTEND MEETINGS</TypeOfAssistanceTxt>
        <RegionTxt>MIDDLE EAST AND NORTH AFRICA</RegionTxt>
        <RecipientCnt>4</RecipientCnt>
        <CashGrantAmt>3136</CashGrantAmt>
        <MannerOfCashDisbursementTxt>CHECK/WIRE TRANSFER</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>TRAVEL AWARD (SUPPORT) TO ATTEND MEETINGS</TypeOfAssistanceTxt>
        <RegionTxt>NORTH AMERICA</RegionTxt>
        <RecipientCnt>10</RecipientCnt>
        <CashGrantAmt>5140</CashGrantAmt>
        <MannerOfCashDisbursementTxt>CHECK/WIRE TRANSFER</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>TRAVEL AWARD (SUPPORT) TO ATTEND MEETINGS</TypeOfAssistanceTxt>
        <RegionTxt>SOUTH AMERICA</RegionTxt>
        <RecipientCnt>2</RecipientCnt>
        <CashGrantAmt>995</CashGrantAmt>
        <MannerOfCashDisbursementTxt>CHECK/WIRE TRANSFER</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>TRAVEL AWARD (SUPPORT) TO ATTEND MEETINGS</TypeOfAssistanceTxt>
        <RegionTxt>SOUTH ASIA</RegionTxt>
        <RecipientCnt>7</RecipientCnt>
        <CashGrantAmt>1635</CashGrantAmt>
        <MannerOfCashDisbursementTxt>CHECK/WIRE TRANSFER</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>TRAVEL AWARD (SUPPORT) TO ATTEND MEETINGS</TypeOfAssistanceTxt>
        <RegionTxt>SUB-SAHARAN AFRICA</RegionTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>800</CashGrantAmt>
        <MannerOfCashDisbursementTxt>CHECK/WIRE TRANSFER</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <TransferToForeignCorpInd>0</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>0</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>0</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>0</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>0</ForeignPartnershipInd>
      <BoycottCountriesInd>0</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY HAS MANY SECTIONS BOTH IN THE UNITED STATES AND INTERNATIONALLY. FOR ITS INTERNATIONAL SECTIONS, THE SOCIETY WILL PROVIDE FUNDS TO COVER THE COSTS OF VARIOUS MEETINGS. THE FOREIGN SECTION WILL SUBMIT A REQUEST FOR FUNDING, WHICH IS REVIEWED BY A COMMITTEE. ONCE THE MEETING IS HELD, A REPORT IS SENT TO THE SOCIETY, ALONG WITH A STATEMENT OF HOW THE FUNDS WERE USED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III ACCOUNTING METHOD:</FormAndLineReferenceDesc>
      </SupplementalInformationDetail>
    </IRS990ScheduleF>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>TRAVEL SUPPORT TO SIAM CONFERENCES - FUND BY NSF GRANT</GrantTypeTxt>
        <RecipientCnt>102</RecipientCnt>
        <CashGrantAmt>79808</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>STUDENT TRAVEL AWARDS - FUNDED BY SIAM OPERATING BUDGET AND AUTHOR ROYALTIES</GrantTypeTxt>
        <RecipientCnt>103</RecipientCnt>
        <CashGrantAmt>61929</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>INVOICES OR EXPENSE REPORTS ARE REQUIRED. EXPENSE REPORTS REQUIRED DETAILED RECEIPTS TO ENSURE THE EXPENSES ARE CONSIDERED ALLOWABLE UNDER GRANT. INVOICES AND EXPENSE REPORTS ARE REVIEWED BY THE APPROPRIATE STAFF AND THEN FORWARDED TO ACCOUNTING FOR THE CONTROLLER'S REVIEW, ACCOUNT CODING AND THEN ENTRY INTO THE AP SYSTEM FOR PAYMENT PROCESSING.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <HousingAllowanceOrResidenceInd>X</HousingAllowanceOrResidenceInd>
      <WrittenPolicyRefTAndEExpnssInd>1</WrittenPolicyRefTAndEExpnssInd>
      <SubstantiationRequiredInd>0</SubstantiationRequiredInd>
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <IndependentConsultantInd>X</IndependentConsultantInd>
      <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>SUZANNE L WEEKES</PersonNm>
        <TitleTxt>CHIEF EXECUTIVE OFFICER</TitleTxt>
        <BaseCompensationFilingOrgAmt>370442</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>30500</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>12393</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>413335</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>SUSAN A PALANTINO</PersonNm>
        <TitleTxt>CHIEF OPERATING OFFICER</TitleTxt>
        <BaseCompensationFilingOrgAmt>236991</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>24192</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>13291</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>274474</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>KIVMARS H BOWLING</PersonNm>
        <TitleTxt>DIRECTOR, PUBLICATIONS</TitleTxt>
        <BaseCompensationFilingOrgAmt>189653</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>19384</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>12731</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>221768</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MATTHEW T POSEY</PersonNm>
        <TitleTxt>DIRECTOR, INFORMATION SERVICES</TitleTxt>
        <BaseCompensationFilingOrgAmt>154826</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>15940</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>9121</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>179887</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>LAUREN R STEIDEL</PersonNm>
        <TitleTxt>CONTROLLER</TitleTxt>
        <BaseCompensationFilingOrgAmt>159273</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>16023</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>4195</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>179491</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>RICHARD O MOORE</PersonNm>
        <TitleTxt>DIRECTOR, PROGRAMS AND SERVICES</TitleTxt>
        <BaseCompensationFilingOrgAmt>154043</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>15462</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>1218</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>170723</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>A COMPENSATION STUDY WAS LAST PERFORMED IN 2020.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS (SIAM) IS AN INTERNATIONAL COMMUNITY OF OVER 13,600 INDIVIDUAL MEMBERS; LIKEWISE, OVER 330 ACADEMIC, MANUFACTURING, RESEARCH AND DEVELOPMENT, SERVICE AND CONSULTING ORGANIZATIONS, GOVERNMENT, AND MILITARY ORGANIZATIONS WORLDWIDE ARE INSTITUTIONAL MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>PURSUANT TO THE SOCIETY'S BYLAWS, THREE TRUSTEES SHALL BE ELECTED ANNUALLY BY DUES-PAYING MEMBERS OF SIAM FOR THREE-YEAR TERMS. ADDITIONALLY, THE PRESIDENT, VICE PRESIDENT AT LARGE AND SECRETARY SHALL BE ELECTED BY THE DUES-PAYING MEMBERSHIP OF SIAM.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MEMBERSHIP VOTES ON ANY CHANGES IN GOVERNANCE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 WAS PREPARED BY AN INDEPENDENT ACCOUNTING FIRM IN CONJUNCTION WITH THE ORGANIZATION'S FINANCIAL DEPARTMENT. A COPY OF THE DRAFT 990 WAS CIRCULATED TO THE FULL BOARD OF TRUSTEES FOR DISCUSSION AND COMMENT. EACH BOARD MEMBER WAS PROVIDED AMPLE OPPORTUNITY TO COMMENT ON THE INFORMATION CONTAINED IN THE 990 PRIOR TO ITS ELECTRONIC FILING WITH THE INTERNAL REVENUE SERVICE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH OFFICER, DIRECTOR, TRUSTEE AND KEY EMPLOYEE OF SIAM IS REQUIRED TO ANNUALLY DISCLOSE ANY CONFLICTS OF INTEREST THAT ARISE BY VIRTUE OF THEIR EMPLOYMENT, BOARD SERVICE, OR POSITION WITH SIAM. SIAM MONITORS COMPLIANCE WITH ITS CONFLICT OF INTEREST POLICY THROUGH A SEMI-ANNUAL DISCLOSURE STATEMENT THAT IS DISTRIBUTED TO THESE INDIVIDUALS. POTENTIAL CONFLICTS ARE INVESTIGATED IMMEDIATELY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>SIAM UNDERTAKES A THOROUGH PROCESS TO ENSURE THAT THE EXECUTIVE COMPENSATION PAID TO ITS EXECUTIVE DIRECTOR AND ALL OFFICERS AND KEY EMPLOYEES IS REASONABLE GIVEN THE MARKET IN WHICH SIAM OPERATES. IN RELEVANT PART, THE BOARD OF DIRECTORS HAS ESTABLISHED A HUMAN RESOURCE COMMITTEE OF INDEPENDENT PERSONS WITH NO PERSONAL INTEREST IN THE PROPOSED COMPENSATION AGREEMENT. ON A PERIODIC BASIS, THE HUMAN RESOURCE COMMITTEE CONTRACTS WITH A COMPENSATION CONSULTANT TO COMPLETE A MARKET ASSESSMENT AND COMPETITIVE POSITION ANALYSIS FOR SIAM'S TOP EXECUTIVES. IN ADDITION, THE HUMAN RESOURCE COMMITTEE UTILIZES COMPARABILITY AND BENCHMARKING SURVEYS TO ENSURE THAT SIAM COMPENSATES ITS EXECUTIVES COMMENSURATE WITH THE MARKET. THE HUMAN RESOURCE COMMITTEE THEN REPORTS THEIR SALARY DECISIONS FOR THE CEO AND KEY EMPLOYEES TO THE BOARD.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TAXPAYER MAKES ITS FORM 990 AVAILABLE TO THE PUBLIC BY RETAINING A COPY AT ITS PLACE OF BUSINESS. THE FORM 990 IS LIKEWISE PUBLISHED ON THE INTERNET AT WWW.GUIDESTAR.ORG. A REVIEW OF THE ORGANIZATION'S FINANCIAL STATEMENTS ARE PRESENTED AT THE ANNUAL BUSINESS MEETING OF SIAM'S MEMBERSHIP AND ARE POSTED ON THE SIAM WEBSITE. ALSO AVAILABLE ON THE SIAM WEBSITE, ARE THE ORGANIZATION'S GOVERNING DOCUMENTS. THE CONFLICT OF INTEREST POLICY IS NOT ORDINARILY MADE AVAILABLE TO THE PUBLIC, BUT, IF REQUESTED, WILL BE MADE AVAILABLE AT MANAGEMENT'S DISCRETION.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
