<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2023v5.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2024-04-21T04:09:42-00:00</ReturnTs>
    <TaxPeriodEndDt>2023-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>822851604</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>SECHLER MORGAN CPAS PLLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>2418 W BARROW DRIVE</AddressLine1Txt>
        <CityNm>CHANDLER</CityNm>
        <StateAbbreviationCd>AZ</StateAbbreviationCd>
        <ZIPCd>85224</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>260738062</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>THE GRAY MATTERS FOUNDATION INC</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>GRAY</BusinessNameControlTxt>
      <PhoneNum>6232056446</PhoneNum>
      <USAddress>
        <AddressLine1Txt>PO BOX 27106</AddressLine1Txt>
        <CityNm>SCOTTSDALE</CityNm>
        <StateAbbreviationCd>AZ</StateAbbreviationCd>
        <ZIPCd>85255</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>LANETTE VERES</PersonNm>
      <PersonTitleTxt>PRESIDENT</PersonTitleTxt>
      <PhoneNum>6232056446</PhoneNum>
      <SignatureDt>2024-04-21</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <SigningOfficerGrp>
      <PersonFullName>
        <PersonFirstNm>LANETTE</PersonFirstNm>
        <PersonLastNm>VERES</PersonLastNm>
      </PersonFullName>
      <SSN>999009999</SSN>
    </SigningOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>true</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>KRISTINA MORGAN CPA</PreparerPersonNm>
      <PTIN>P01370742</PTIN>
      <PhoneNum>6022302700</PhoneNum>
      <PreparationDt>2024-04-01</PreparationDt>
    </PreparerPersonGrp>
    <AdditionalFilerInformation>
      <TrustedCustomerGrp>
        <AuthenticationAssuranceLevelCd>AAL1</AuthenticationAssuranceLevelCd>
        <IdentityAssuranceLevelCd>IAL1</IdentityAssuranceLevelCd>
      </TrustedCustomerGrp>
    </AdditionalFilerInformation>
    <TaxYr>2023</TaxYr>
    <BuildTS>2023-04-26 12:10:37Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="5">
    <IRS990EZ documentId="990EZ" softwareId="23017659" softwareVersionNum="23.1.0.0">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <WebsiteAddressTxt>GRAYMATTERSFOUNDATION.ORG</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="990A">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>56572</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>39743</ContributionsGiftsGrantsEtcAmt>
      <GamingGrossIncomeAmt referenceDocumentId="990G">16829</GamingGrossIncomeAmt>
      <SpecialEventsDirectExpensesAmt>9777</SpecialEventsDirectExpensesAmt>
      <SpecialEventsNetIncomeLossAmt>7052</SpecialEventsNetIncomeLossAmt>
      <TotalRevenueAmt>46795</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>9070</GrantsAndSimilarAmountsPaidAmt>
      <FeesAndOtherPymtToIndCntrctAmt>8306</FeesAndOtherPymtToIndCntrctAmt>
      <PrintingPublicationsPostageAmt>287</PrintingPublicationsPostageAmt>
      <OtherExpensesTotalAmt>20498</OtherExpensesTotalAmt>
      <TotalExpensesAmt>38161</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>8634</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>76098</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>84732</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>75383</BOYAmt>
        <EOYAmt>84422</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <OtherAssetsTotalDetail>
        <BOYAmt>1056</BOYAmt>
        <EOYAmt>352</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>76439</BOYAmt>
        <EOYAmt>84774</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>341</BOYAmt>
        <EOYAmt>42</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>76098</BOYAmt>
        <EOYAmt>84732</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <PrimaryExemptPurposeTxt>SUPPORT EMPOWER BRAIN CANCER PATIENTS</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>THE GOAL OF OUR SURVIVOR-FOCUSED ACTIVITIES ARE TO SUPPORT BRAIN TUMOR PATIENTS, THEIR FRIENDS AND LOVED ONES. WE SEND SPECIAL GIFTS AND CARDS WITH WORDS OF ENCOURAGEMENT TO BRING SMILES AND HAPPINESS.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>9070</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>24060</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>THE GOAL OF OUR PUBLIC-FOCUSED ACTIVITIES IS TO RAISE AWARENESS IN THE COMMUNITY ABOUT BRAIN TUMORS AND EDUCATE OTHERS ABOUT HOW TO BECOME INVOLVED IN THE FIGHT FOR THE SURVIVORS AND AGAINST THE DISEASE.</DescriptionProgramSrvcAccomTxt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>24060</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>LANETTE VERES</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>010.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MICHAEL VERES</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>005.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>CARRI TREADWELL</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>001.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>GRETA LEDWIG</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>002.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JASON BARRY</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>002.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <TaxImposedUnderIRC4911Amt>0</TaxImposedUnderIRC4911Amt>
      <TaxImposedUnderIRC4912Amt>0</TaxImposedUnderIRC4912Amt>
      <TaxImposedUnderIRC4955Amt>0</TaxImposedUnderIRC4955Amt>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <BooksInCareOfDetail>
        <PersonNm>SECHLER MORGAN CPAs</PersonNm>
        <USAddress>
          <AddressLine1Txt>2418 W BARROW DR</AddressLine1Txt>
          <CityNm>CHANDLER</CityNm>
          <StateAbbreviationCd>AZ</StateAbbreviationCd>
          <ZIPCd>85224</ZIPCd>
        </USAddress>
        <PhoneNum>6022302700</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="990A" softwareId="23017659" softwareVersionNum="23.1.0.0">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>27424</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>20747</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>20912</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>38204</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>39743</CurrentTaxYearAmt>
        <TotalAmt>147030</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>27424</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>20747</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>20912</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>38204</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>39743</CurrentTaxYearAmt>
        <TotalAmt>147030</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>13620</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>133410</PublicSupportTotal170Amt>
      <UnrelatedBusinessNetIncm170Grp>
        <CurrentTaxYearMinus4YearsAmt>2025</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>4548</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus1YearAmt>3829</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>7052</CurrentTaxYearAmt>
        <TotalAmt>17454</TotalAmt>
      </UnrelatedBusinessNetIncm170Grp>
      <TotalSupportAmt>164484</TotalSupportAmt>
      <PublicSupportCY170Pct>0.81110</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.77990</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="990B" softwareId="23017659" softwareVersionNum="23.1.0.0">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleG documentId="990G" softwareId="23017659" softwareVersionNum="23.1.0.0">
      <GamingInformationGrp>
        <GrossRevenueOtherGamingAmt>16829</GrossRevenueOtherGamingAmt>
        <NonCashPrizesOtherGamingAmt>9777</NonCashPrizesOtherGamingAmt>
        <VolunteerLaborOtherGamingInd>true</VolunteerLaborOtherGamingInd>
        <VolunteerLaborOtherGamingPct>1.00000</VolunteerLaborOtherGamingPct>
        <GrossRevenueTotalGamingAmt>16829</GrossRevenueTotalGamingAmt>
        <NonCashPrizesTotalGamingAmt>9777</NonCashPrizesTotalGamingAmt>
        <DirectExpenseSummaryGamingAmt>9777</DirectExpenseSummaryGamingAmt>
        <NetGamingIncomeSummaryAmt>7052</NetGamingIncomeSummaryAmt>
      </GamingInformationGrp>
      <StatesWhereGamingConductedCd>AZ</StatesWhereGamingConductedCd>
      <LicensedInd>false</LicensedInd>
      <ExplanationIfNoTxt>Under Arizona Statute ARS 13-3311D, the organization is not required to be licensed or to register this activity as it is an organization qualified for an exemption under ARS 43-1201 and follows all restrictions under ARS 13-3302B1-3.</ExplanationIfNoTxt>
      <LicenseSuspendedEtcInd>false</LicenseSuspendedEtcInd>
      <GamingWithNonmembersInd>true</GamingWithNonmembersInd>
      <MemberOfOtherEntityInd>false</MemberOfOtherEntityInd>
      <GamingOtherFacilityPct>1.00000</GamingOtherFacilityPct>
      <IndividualWithBooksNm>Lanette Veres</IndividualWithBooksNm>
      <PersonsWithBooksUSAddress>
        <AddressLine1Txt>PO Box 27106</AddressLine1Txt>
        <CityNm>Scottsdale</CityNm>
        <StateAbbreviationCd>AZ</StateAbbreviationCd>
        <ZIPCd>85255</ZIPCd>
      </PersonsWithBooksUSAddress>
      <CntrctWith3rdPrtyForGameRevInd>false</CntrctWith3rdPrtyForGameRevInd>
      <GamingManagerPersonNm>Lanette Veres</GamingManagerPersonNm>
      <GamingManagerServicesProvTxt>Sell tickets and collect raffle baskets for sale</GamingManagerServicesProvTxt>
      <GamingManagerIsDirectorOfcrInd>X</GamingManagerIsDirectorOfcrInd>
      <CharitableDistributionRqrInd>false</CharitableDistributionRqrInd>
    </IRS990ScheduleG>
    <IRS990ScheduleO documentId="990O" softwareId="23017659" softwareVersionNum="23.1.0.0">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part I, Line 16, Other Expenses</FormAndLineReferenceDesc>
        <ExplanationTxt>ADVERTISING 2,813</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part I, Line 16, Other Expenses</FormAndLineReferenceDesc>
        <ExplanationTxt>DEPRECIATION 704</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part I, Line 16, Other Expenses</FormAndLineReferenceDesc>
        <ExplanationTxt>INFORMATION TECHNOLOGY 3,358</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part I, Line 16, Other Expenses</FormAndLineReferenceDesc>
        <ExplanationTxt>OFFICE EXPENSES 6,580</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part I, Line 16, Other Expenses</FormAndLineReferenceDesc>
        <ExplanationTxt>OUTREACH EXPENSES 7,039</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part I, Line 16, Other Expenses</FormAndLineReferenceDesc>
        <ExplanationTxt>TRAVEL 4</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part II, Line 24, Other Assets</FormAndLineReferenceDesc>
        <ExplanationTxt>NET FIXED ASSETS Beginning of year 1,056, End of year 352</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part II, Line 26, Liabilities</FormAndLineReferenceDesc>
        <ExplanationTxt>CREDIT CARD PAYABLE Beginning of year 341, End of year 42</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
