﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2025v4.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2026-03-25T22:28:28-04:00</ReturnTs>
    <TaxPeriodEndDt>2025-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>352524274</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>UCMK &amp; ASSOCIATES</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>3530 WILSHIRE BLVD STE 1510</AddressLine1Txt>
        <CityNm>LOS ANGELES</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>900102327</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2025-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>830410193</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>THE MARK THALLANDER FOUNDATION</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>MARK</BusinessNameControlTxt>
      <PhoneNum>6264879734</PhoneNum>
      <USAddress>
        <AddressLine1Txt>PO BOX 5511</AddressLine1Txt>
        <CityNm>PALM SPRINGS</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>92263</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>MARK THALLANDER</PersonNm>
      <PersonTitleTxt>PRESIDENT AND CEO</PersonTitleTxt>
      <PhoneNum>6264879734</PhoneNum>
      <SignatureDt>2026-03-20</SignatureDt>
    </BusinessOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>PAUL KIM CPA</PreparerPersonNm>
      <PTIN>P00359700</PTIN>
      <PhoneNum>6265777715</PhoneNum>
      <PreparationDt>2026-03-20</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2025</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="3">
    <IRS990EZ documentId="RetDoc1" referenceDocumentId="RetDoc2">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>WWW.MARKTHALLANDERFOUNDATION.ORG</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc3">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>62955</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>62530</ContributionsGiftsGrantsEtcAmt>
      <ProgramServiceRevenueAmt>425</ProgramServiceRevenueAmt>
      <TotalRevenueAmt>62955</TotalRevenueAmt>
      <FeesAndOtherPymtToIndCntrctAmt>75328</FeesAndOtherPymtToIndCntrctAmt>
      <PrintingPublicationsPostageAmt>7689</PrintingPublicationsPostageAmt>
      <OtherExpensesTotalAmt>11613</OtherExpensesTotalAmt>
      <TotalExpensesAmt>94630</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>-31675</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>53812</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>5174</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>27311</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>53812</BOYAmt>
        <EOYAmt>27311</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <Form990TotalAssetsGrp>
        <BOYAmt>53812</BOYAmt>
        <EOYAmt>27311</EOYAmt>
      </Form990TotalAssetsGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>53812</BOYAmt>
        <EOYAmt>27311</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <PrimaryExemptPurposeTxt>PRESENTING SACRED MUSIC EVENTS &amp; EDUCATION FOR THE PUBLIC</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>THE ORGANIZATION PRODUCES MUSIC FESTIVALS. IT ALSO PUBLISHES BOOKS AND MUSIC CDS FOR SALE.</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>66964</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>THE ORGANIZATIOIN PROVIDED ORGAN SCHOLARSHIPS.</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>800</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>67764</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MARK THALLANDER</PersonNm>
        <TitleTxt>PRESIDENT AN</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>10.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>PAUL GENZINK</PersonNm>
        <TitleTxt>VICE PRESIDE</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>BRUCE RHODES</PersonNm>
        <TitleTxt>SECRETARY/TR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5.00</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>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>MARK THALLANDER</BusinessNameLine1Txt>
        </BusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 5511</AddressLine1Txt>
          <CityNm>PALM SPRINGS</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>92263</ZIPCd>
        </USAddress>
        <PhoneNum>6264879734</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="RetDoc3">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>47311</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>53354</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>58048</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>110548</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>62530</CurrentTaxYearAmt>
        <TotalAmt>331791</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>150</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>40</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1070</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>900</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>425</CurrentTaxYearAmt>
        <TotalAmt>2585</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>47461</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>53394</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>59118</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>111448</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>62955</CurrentTaxYearAmt>
        <TotalAmt>334376</TotalAmt>
      </Total509Grp>
      <PublicSupportTotal509Amt>334376</PublicSupportTotal509Amt>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>47461</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>53394</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>59118</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>111448</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>62955</CurrentTaxYearAmt>
        <TotalAmt>334376</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>1.00000</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>1.00000</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00000</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00000</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleO documentId="RetDoc2">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16</FormAndLineReferenceDesc>
        <ExplanationTxt>EXPENSES OFFICE 3,513 TRAVEL 8,100 TOTAL 11,613</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 20</FormAndLineReferenceDesc>
        <ExplanationTxt>MISCELLANEOUS 5,174 MISCELLANEOUS 0</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>