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      <Form990PartVIISectionAGrp>
        <PersonNm>CAREN ARNSTEIN</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JAMES HOYES</PersonNm>
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        <PersonNm>DAVID LUCCHINO</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>RENEE CONNOLLY</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>LISA OLSON</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>ALICE POMPONIO</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
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        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JAMES BURNES</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>LIZ LEWIS</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>PARIS PANAYIOTOPOULOS</PersonNm>
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        <PersonNm>ADELENE PERKINS</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>RICK RUSSELL</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
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        <PersonNm>JOSEPH FAZIO</PersonNm>
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        <PersonNm>JOHN HEFFERNAN</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JOHN HALLINAN</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>KENDALLE O'CONNELL</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>SARAH MACDONALD</PersonNm>
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      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
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          <BusinessName>
            <BusinessNameLine1Txt>HEALTH ADVANCES LLC</BusinessNameLine1Txt>
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          <USAddress>
            <AddressLine1Txt>9 RIVERSIDE ROAD</AddressLine1Txt>
            <CityNm>WESTON</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02493</ZIPCd>
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        <ServicesDesc>CONSULTANT - 2020 REPORT</ServicesDesc>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>FREEMAN</BusinessNameLine1Txt>
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          <USAddress>
            <AddressLine1Txt>275 BODWELL STREET</AddressLine1Txt>
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            <StateAbbreviationCd>MA</StateAbbreviationCd>
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        <ServicesDesc>DESIGN, SUPPLY, BUILD PAVILION FOR BIO C</ServicesDesc>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>MCDERMOTT QUILTY &amp; MILLER LLP</BusinessNameLine1Txt>
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        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>21 CUSTOM HOUSE STREET</AddressLine1Txt>
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            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02110</ZIPCd>
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        </ContractorAddress>
        <ServicesDesc>STATE LOBBYIST</ServicesDesc>
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      <CntrctRcvdGreaterThan100KCnt>3</CntrctRcvdGreaterThan100KCnt>
      <MembershipDuesAmt>3032083</MembershipDuesAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>CONSORTIUM REBATES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>1522834</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>1522834</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>SPONSORSHIP FEES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>1091988</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>1091988</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>ATTENDANCE FEES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>180723</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>180723</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>OTHER PROGRAM REVENUE</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>84831</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>84831</RelatedOrExemptFuncIncomeAmt>
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      <TotalProgramServiceRevenueAmt>2880376</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>17083</TotalRevenueColumnAmt>
        <ExclusionAmt>17083</ExclusionAmt>
      </InvestmentIncomeGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>5929542</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>2880376</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>17083</ExclusionAmt>
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      <GrantsToDomesticOrgsGrp>
        <TotalAmt>102700</TotalAmt>
      </GrantsToDomesticOrgsGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>628027</TotalAmt>
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      <OtherSalariesAndWagesGrp>
        <TotalAmt>1901703</TotalAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>61294</TotalAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>241629</TotalAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>155242</TotalAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>9356</TotalAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>21722</TotalAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>159154</TotalAmt>
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      <AdvertisingGrp>
        <TotalAmt>87928</TotalAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>124012</TotalAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>126009</TotalAmt>
      </InformationTechnologyGrp>
      <OccupancyGrp>
        <TotalAmt>531082</TotalAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>106859</TotalAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>7460</TotalAmt>
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      <DepreciationDepletionGrp>
        <TotalAmt>62782</TotalAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>5677</TotalAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>EVENT COSTS</Desc>
        <TotalAmt>575844</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>CONSULTING</Desc>
        <TotalAmt>278409</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>DUES AND SUBSCRIPTIONS</Desc>
        <TotalAmt>70210</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>BAD DEBT</Desc>
        <TotalAmt>9097</TotalAmt>
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      <TotalFunctionalExpensesGrp>
        <TotalAmt>5266196</TotalAmt>
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      <CashNonInterestBearingGrp>
        <BOYAmt>354747</BOYAmt>
        <EOYAmt>260577</EOYAmt>
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      <SavingsAndTempCashInvstGrp>
        <BOYAmt>5687102</BOYAmt>
        <EOYAmt>6684583</EOYAmt>
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      <AccountsReceivableGrp>
        <BOYAmt>365139</BOYAmt>
        <EOYAmt>487756</EOYAmt>
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      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>93471</BOYAmt>
        <EOYAmt>185644</EOYAmt>
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      <LandBldgEquipCostOrOtherBssAmt>832549</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>632437</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>180062</BOYAmt>
        <EOYAmt>200112</EOYAmt>
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      <OtherAssetsTotalGrp>
        <BOYAmt>150688</BOYAmt>
        <EOYAmt>145456</EOYAmt>
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      <TotalAssetsGrp>
        <BOYAmt>6831209</BOYAmt>
        <EOYAmt>7964128</EOYAmt>
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      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>317548</BOYAmt>
        <EOYAmt>278586</EOYAmt>
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      <DeferredRevenueGrp>
        <BOYAmt>506256</BOYAmt>
        <EOYAmt>996758</EOYAmt>
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      <OtherLiabilitiesGrp>
        <BOYAmt>213659</BOYAmt>
        <EOYAmt>231692</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>1037463</BOYAmt>
        <EOYAmt>1507036</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsSFAS117Ind>X</OrganizationFollowsSFAS117Ind>
      <UnrestrictedNetAssetsGrp>
        <BOYAmt>5793746</BOYAmt>
        <EOYAmt>6457092</EOYAmt>
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      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>5793746</BOYAmt>
        <EOYAmt>6457092</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>6831209</BOYAmt>
        <EOYAmt>7964128</EOYAmt>
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      <ReconcilationRevenueExpnssAmt>663346</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
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    <IRS990ScheduleC documentId="RetDoc1039700001">
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      <OnlyInHouseLobbyingInd>0</OnlyInHouseLobbyingInd>
      <AgreeCarryoverPriorYearInd>0</AgreeCarryoverPriorYearInd>
      <DuesAssessmentsAmt>3032083</DuesAssessmentsAmt>
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      <NonDeductibleLbbyngPltclTotAmt>691929</NonDeductibleLbbyngPltclTotAmt>
      <AggregateReportedDuesNtcAmt>1000587</AggregateReportedDuesNtcAmt>
      <TaxableAmt>-308658</TaxableAmt>
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    <IRS990ScheduleD documentId="RetDoc1040000001">
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        <OtherCostOrOtherBasisAmt>49365</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>10608</DepreciationAmt>
        <BookValueAmt>38757</BookValueAmt>
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      <EquipmentGrp>
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        <DepreciationAmt>555829</DepreciationAmt>
        <BookValueAmt>113676</BookValueAmt>
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      <OtherLandBuildingsGrp>
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        <DepreciationAmt>66000</DepreciationAmt>
        <BookValueAmt>47679</BookValueAmt>
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      <OtherLiabilitiesOrgGrp>
        <Desc>DEFERRED RENT</Desc>
        <Amt>231692</Amt>
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      <TotalLiabilityAmt>231692</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
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      <RevenueNotReportedAmt>0</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>5717296</RevenueSubtotalAmt>
      <OtherRevenuesNotIncludedAmt>212246</OtherRevenuesNotIncludedAmt>
      <RevenueNotReportedFinclStmtAmt>212246</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>5929542</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>5053950</TotExpnsEtcAuditedFinclStmtAmt>
      <OtherExpensesIncludedAmt>-212246</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>-212246</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>5266196</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>5266196</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>MASSBIO ACCOUNTS FOR UNCERTAINTY IN INCOME TAXES IN ACCORDANCE WITH ASC TOPIC, INCOME TAXES. THIS STANDARD CLARIFIES THE ACCOUNTING FOR UNCERTAINTY IN TAX POSITIONS AND PRESCRIBES A RECOGNITION THRESHOLD AND MEASUREMENT ATTRIBUTE FOR THE FINANCIAL STATEMENTS REGARDING A TAX POSITION TAKEN OR EXPECTED TO BE TAKEN IN A TAX RETURN. MASSBIO HAS DETERMINED THAT THERE ARE NO UNCERTAIN TAX POSITIONS WHICH QUALIFY FOR EITHER RECOGNITION OR DISCLOSURE IN THE FINANCIAL STATEMENTS AT DECEMBER 31, 2014. MASSBIO'S FEDERAL INFORMATION RETURNS ARE SUBJECT TO EXAMINATION BY THE FEDERAL JURISDICTION AND GENERALLY REMAIN OPEN FOR THE MOST RECENT THREE YEARS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>ALLOCATION TO MBEF</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>ALLOCATION TO MBEF</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 4B &amp; PART XII, LINE 2D</FormAndLineReferenceDesc>
        <ExplanationTxt>RECONCILIATION OF REVENUES AND EXPENSES FROM FINANCIAL STATEMENTS TO TAX RETURN INCLUDES 212,246 NET ALLOCATION TO MASSACHUSETTS BIOTECHNOLOGY EDUCATION FOUNDATION.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
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      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <RecipientTable>
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          <BusinessNameLine1Txt>MASSACHUSETTS BIOTECHNOLOGY EDUCATION FOUNDATION</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 8B</FormAndLineReferenceDesc>
        <ExplanationTxt>MASSACHUSETTS BIOTECHNOLOGY COUNCIL, INC. DOES NOT RECORD MINUTES FOR ANY COMMITTEE WITH AUTHORITY TO ACT ON BEHALF OF THE GOVERNING BODY.</ExplanationTxt>
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        <ExplanationTxt>ALL MASSBIO BOARD MEMBERS AND STAFF ARE REQUIRED TO SIGN THE CONFLICT OF INTEREST FORM ANNUALLY. MANAGEMENT TRACKS FORM SIGNING TO INSURE FULL COMPLIANCE. RELATED PARTY TRANSACTIONS ARE COMPILED AND DISCLOSED IN THE AUDITED FINANCIALS AND FORM 990 WHICH ARE REVIEWED BY THE BOARD OR BOARD COMMITTEES.</ExplanationTxt>
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        <ExplanationTxt>PRESIDENT COMPENSATION - EXECUTIVE COMMITTEE OF THE BOARD USES THE AVERAGE SALARY FOR BIOTECH PRESIDENT'S AS A GUIDE IN DETERMING SALARY. BONUS COMPENSATION IS BASED ON ACHIEVING ORGANIZATIONAL GOALS. KEY EMPLOYEE COMPENSATION - CEO NEGOTIATES ON BEHALF OF MBC, USING COMPARABLE POSITIONS WITHIN THE BIOTECH INDUSTRY AS A STARTING POINT.</ExplanationTxt>
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        <ExplanationTxt>THE BOARD OF DIRECTORS ASSUMES RESPONSIBILITY FOR OVERSIGHT OF THE AUDIT OF ITS FINANCIAL STATEMENTS AND THE SELECTION OF AN INDEPENDENT ACCOUNTANT. THIS PROCESS HAS NOT CHANGED IN 2014.</ExplanationTxt>
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        <ExplanationTxt>NINE MASSACHUSETTS BIOTECHNOLOGY EDUCATION FOUNDATION, INC. EMPLOYEES ARE PAID THROUGH MASSACHUSETTS BIOTECHNOLOGY COUNCIL, INC.'S PAYROLL SERVICE AND THUS ARE INCLUDED IN FORM W-3 FILING. MASSACHUSETTS BIOTECHNOLOGY COUNCIL RECEIVES REIMBURSEMENT FROM MASSACHUSETTS BIOTECHNOLOGY EDUCATION FOUNDATION, INC. FOR THESE EMPLOYEES.</ExplanationTxt>
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