GASTRONAUTS FOUNDATION INC: Form 990EZ, tax year 2025
View the entire original 990 at ProPublica ↗
- Organization
- GASTRONAUTS FOUNDATION INC (EIN 88-4337147)
- Tax period
- 2025-01-01 to 2025-12-31
- Filed
- 2026-05-11
- IRS object ID
- 202611319349202416
- Schema version
- 2025v4.0
- Source
- Download XML · Original 990 at ProPublica
Every field in the e-filed return. Faint text is the IRS element name, for citing.
Return header ReturnHeader
| Field | Value | IRS element (for citing) |
|---|---|---|
| Return | 2026-05-11T10:37:48-04:00 | ReturnTs |
| Tax Period End | 2025-12-31 | TaxPeriodEndDt |
| Return Type | 990EZ | ReturnTypeCd |
| Tax Period Begin | 2025-01-01 | TaxPeriodBeginDt |
Filer Filer
| Field | Value | IRS element (for citing) |
|---|---|---|
| EIN | 884337147 | EIN |
Business Name BusinessName
| Field | Value | IRS element (for citing) |
|---|---|---|
| Business Name Line1 | Gastronauts Foundation Inc | BusinessNameLine1Txt |
| Field | Value | IRS element (for citing) |
|---|---|---|
| Business Name Control | GAST | BusinessNameControlTxt |
| Foreign Phone | 8582138555 | ForeignPhoneNum |
US Address USAddress
| Field | Value | IRS element (for citing) |
|---|---|---|
| Address Line1 | 203 RESEARCH DR 215 | AddressLine1Txt |
| City | DURHAM | CityNm |
| State Abbreviation | NC | StateAbbreviationCd |
| ZIP | 27710 | ZIPCd |
Business Officer BusinessOfficerGrp
| Field | Value | IRS element (for citing) |
|---|---|---|
| Person | M Maya Kaelberer | PersonNm |
| Person Title | Director | PersonTitleTxt |
| Phone | 8582138555 | PhoneNum |
| Signature | 2026-05-11 | SignatureDt |
| Field | Value | IRS element (for citing) |
|---|---|---|
| Tax | 2025 | TaxYr |
| Build TS | 2025-03-06 01:10:19Z | BuildTS |
Form 990-EZ IRS990EZ
| Field | Value | IRS element (for citing) |
|---|---|---|
| Address Change | Yes (X) | AddressChangeInd |
| Method Of Accounting Cash | Yes (X) | MethodOfAccountingCashInd |
| Website Address | ThinkGastronauts. com | WebsiteAddressTxt |
| Organization501c3 | Yes (X) | Organization501c3Ind |
| Type Of Organization Corp | Yes (X) | TypeOfOrganizationCorpInd |
| Gross Receipts | $104,514 | GrossReceiptsAmt |
| Info In Schedule O Part I | Yes (X) | InfoInScheduleOPartIInd |
| Contributions Gifts Grants Etc | $18,325 | ContributionsGiftsGrantsEtcAmt |
| Program Service Revenue | $86,189 | ProgramServiceRevenueAmt |
| Gain Or Loss From Sale Of Assets | $0 | GainOrLossFromSaleOfAssetsAmt |
| Special Events Net Income Loss | $0 | SpecialEventsNetIncomeLossAmt |
| Gross Profit Loss Sls Of Invntry | $0 | GrossProfitLossSlsOfInvntryAmt |
| Total Revenue | $104,514 | TotalRevenueAmt |
| Occupancy Rent Utlts And Maint | $24,430 | OccupancyRentUtltsAndMaintAmt |
| Other Expenses Total | $76,855 | OtherExpensesTotalAmt |
| Total Expenses | $101,285 | TotalExpensesAmt |
| Excess Or Deficit For Year | $3,229 | ExcessOrDeficitForYearAmt |
| Net Assets Or Fund Balances BOY | $2,319 | NetAssetsOrFundBalancesBOYAmt |
| Net Assets Or Fund Balances EOY | $5,548 | NetAssetsOrFundBalancesEOYAmt |
Cash Savings And Investments CashSavingsAndInvestmentsGrp
| Field | Value | IRS element (for citing) |
|---|---|---|
| BOY | $2,319 | BOYAmt |
| EOY | $5,548 | EOYAmt |
Form990 Total Assets Form990TotalAssetsGrp
| Field | Value | IRS element (for citing) |
|---|---|---|
| BOY | $2,319 | BOYAmt |
| EOY | $5,548 | EOYAmt |
Net Assets Or Fund Balances NetAssetsOrFundBalancesGrp
| Field | Value | IRS element (for citing) |
|---|---|---|
| BOY | $2,319 | BOYAmt |
| EOY | $5,548 | EOYAmt |
| Field | Value | IRS element (for citing) |
|---|---|---|
| Primary Exempt Purpose | To advance scientific research in the field of gut-brain biology. | PrimaryExemptPurposeTxt |
Program Srvc Accomplishment ProgramSrvcAccomplishmentGrp
| Field | Value | IRS element (for citing) |
|---|---|---|
| Description Program Srvc Accom | Gastronauts Biosphere 2 Symposium: Imagine a place where groundbreaking ecological research meets the cutting edge of gut-brain science. Gastronauts Biosphere 2 isnt just a symposium; its an experience! Held within the iconic 3.14-acre glass-enclosed world of Biosphere 2 this gathering of forward-thinking scientists delved into the complex connections between food the gut and the brain. Gastronauts is a global community of thinkers at the forefront of discovery on gut-brain matters. We are scientists researchers chefs innovators and thought leaders united by a shared passion. Through international symposia like Gastronauts Biosphere 2 we foster collaboration ignite knowledge exchange and champion cutting-edge research. Our hallmark is an interdisciplinary approach bringing together experts from diverse fieldsneuroscience immunology environmental science gastroenterology and more. The event successfully hosted 70 attendees and featured 23 invited speakers. | DescriptionProgramSrvcAccomTxt |
| Grants And Allocations | $0 | GrantsAndAllocationsAmt |
| Program Service Expenses | $101,285 | ProgramServiceExpensesAmt |
| Field | Value | IRS element (for citing) |
|---|---|---|
| Total Program Service Expenses | $101,285 | TotalProgramServiceExpensesAmt |
Officer Director Trustee Empl OfficerDirectorTrusteeEmplGrp (5 entries)
| TitleTitleTxt | Average Hrs Per Wk Devoted To PosAverageHrsPerWkDevotedToPosRt | CompensationCompensationAmt | Employee Benefit ProgramEmployeeBenefitProgramAmt | Expense Account Other AllwncExpenseAccountOtherAllwncAmt |
|---|---|---|---|---|
| M Maya Kaelberer | ||||
| Directory | 5 | $0 | $0 | $0 |
| Diego V Bojrquez | ||||
| Curator | 3 | $0 | $0 | $0 |
| Arthur Beyder | ||||
| Committee Member | 1 | $0 | $0 | $0 |
| Kara Marshall | ||||
| Committee Member | 1 | $0 | $0 | $0 |
| David Linden | ||||
| Committee Member | 1 | $0 | $0 | $0 |
| Field | Value | IRS element (for citing) |
|---|---|---|
| Info In Schedule O Part V | Yes (X) | InfoInScheduleOPartVInd |
| Activities Not Previously Rpt | Yes (true) | ActivitiesNotPreviouslyRptInd |
| Chg Made To Orgnzng Doc Not Rpt | false | ChgMadeToOrgnzngDocNotRptInd |
| Organization Had UBI | false | OrganizationHadUBIInd |
| Subject To Proxy Tax | false | SubjectToProxyTaxInd |
| Organization Dissolved Etc | false | OrganizationDissolvedEtcInd |
| Direct Indirect Pltcl Expend | $0 | DirectIndirectPltclExpendAmt |
| Form1120 Pol Filed | false | Form1120PolFiledInd |
| Made Loans To From Officers | false | MadeLoansToFromOfficersInd |
| Engaged In Excess Benefit Trans | false | EngagedInExcessBenefitTransInd |
Books In Care Of Detail BooksInCareOfDetail
| Field | Value | IRS element (for citing) |
|---|---|---|
| Person | M Maya Kaelberer | PersonNm |
US Address USAddress
| Field | Value | IRS element (for citing) |
|---|---|---|
| Address Line1 | 203 RESEARCH DR 215 | AddressLine1Txt |
| City | DURHAM | CityNm |
| State Abbreviation | NC | StateAbbreviationCd |
| ZIP | 27710 | ZIPCd |
| Field | Value | IRS element (for citing) |
|---|---|---|
| Phone | 8582138555 | PhoneNum |
| Field | Value | IRS element (for citing) |
|---|---|---|
| Foreign Financial Account | false | ForeignFinancialAccountInd |
| Foreign Office | false | ForeignOfficeInd |
| Donor Advised Fnds | false | DonorAdvisedFndsInd |
| Operate Hospital | false | OperateHospitalInd |
| Tanning Services Provided | false | TanningServicesProvidedInd |
| Related Organization Ctrl Ent | false | RelatedOrganizationCtrlEntInd |
| Transaction With Control Ent | false | TransactionWithControlEntInd |
| Political Campaign Acty | false | PoliticalCampaignActyInd |
| Lobbying Activities | false | LobbyingActivitiesInd |
| School Operating | false | SchoolOperatingInd |
| Trnsfr Exmpt Non Chrtbl Rltd Org | false | TrnsfrExmptNonChrtblRltdOrgInd |
| Part VI Of Comp Of Hghst Pd Empl | NONE | PartVIOfCompOfHghstPdEmplTxt |
| Part VI Hghst Pd Cntrct Prof Srvc | NONE | PartVIHghstPdCntrctProfSrvcTxt |
| Filed Schedule A | Yes (true) | FiledScheduleAInd |
Schedule A IRS990ScheduleA
| Field | Value | IRS element (for citing) |
|---|---|---|
| Publicly Supported Org509a2 | Yes (X) | PubliclySupportedOrg509a2Ind |
Gifts Grants Contris Rcvd509 GiftsGrantsContrisRcvd509Grp
| Field | Value | IRS element (for citing) |
|---|---|---|
| Current Tax Year Minus4 Years | $0 | CurrentTaxYearMinus4YearsAmt |
| Current Tax Year Minus3 Years | $0 | CurrentTaxYearMinus3YearsAmt |
| Current Tax Year Minus2 Years | $0 | CurrentTaxYearMinus2YearsAmt |
| Current Tax Year Minus1 Year | $0 | CurrentTaxYearMinus1YearAmt |
| Current Tax Year | $18,325 | CurrentTaxYearAmt |
| Total | $18,325 | TotalAmt |
Gross Receipts Admissions GrossReceiptsAdmissionsGrp
| Field | Value | IRS element (for citing) |
|---|---|---|
| Current Tax Year Minus4 Years | $0 | CurrentTaxYearMinus4YearsAmt |
| Current Tax Year Minus3 Years | $0 | CurrentTaxYearMinus3YearsAmt |
| Current Tax Year Minus2 Years | $22,824 | CurrentTaxYearMinus2YearsAmt |
| Current Tax Year Minus1 Year | $0 | CurrentTaxYearMinus1YearAmt |
| Current Tax Year | $86,190 | CurrentTaxYearAmt |
| Total | $109,014 | TotalAmt |
Gross Receipts Non Unrlt Bus GrossReceiptsNonUnrltBusGrp
| Field | Value | IRS element (for citing) |
|---|---|---|
| Current Tax Year Minus4 Years | $0 | CurrentTaxYearMinus4YearsAmt |
| Current Tax Year Minus3 Years | $0 | CurrentTaxYearMinus3YearsAmt |
| Current Tax Year Minus2 Years | $0 | CurrentTaxYearMinus2YearsAmt |
| Current Tax Year Minus1 Year | $0 | CurrentTaxYearMinus1YearAmt |
| Current Tax Year | $0 | CurrentTaxYearAmt |
| Total | $0 | TotalAmt |
Tax Rev Levied Orgnztnl Bnft509 TaxRevLeviedOrgnztnlBnft509Grp
| Field | Value | IRS element (for citing) |
|---|---|---|
| Current Tax Year Minus4 Years | $0 | CurrentTaxYearMinus4YearsAmt |
| Current Tax Year Minus3 Years | $0 | CurrentTaxYearMinus3YearsAmt |
| Current Tax Year Minus2 Years | $0 | CurrentTaxYearMinus2YearsAmt |
| Current Tax Year Minus1 Year | $0 | CurrentTaxYearMinus1YearAmt |
| Current Tax Year | $0 | CurrentTaxYearAmt |
| Total | $0 | TotalAmt |
Govt Furn Srvc Fclts Vl509 GovtFurnSrvcFcltsVl509Grp
| Field | Value | IRS element (for citing) |
|---|---|---|
| Current Tax Year Minus4 Years | $0 | CurrentTaxYearMinus4YearsAmt |
| Current Tax Year Minus3 Years | $0 | CurrentTaxYearMinus3YearsAmt |
| Current Tax Year Minus2 Years | $0 | CurrentTaxYearMinus2YearsAmt |
| Current Tax Year Minus1 Year | $0 | CurrentTaxYearMinus1YearAmt |
| Current Tax Year | $0 | CurrentTaxYearAmt |
| Total | $0 | TotalAmt |
Total509 Total509Grp
| Field | Value | IRS element (for citing) |
|---|---|---|
| Current Tax Year Minus4 Years | $0 | CurrentTaxYearMinus4YearsAmt |
| Current Tax Year Minus3 Years | $0 | CurrentTaxYearMinus3YearsAmt |
| Current Tax Year Minus2 Years | $22,824 | CurrentTaxYearMinus2YearsAmt |
| Current Tax Year Minus1 Year | $0 | CurrentTaxYearMinus1YearAmt |
| Current Tax Year | $104,515 | CurrentTaxYearAmt |
| Total | $127,339 | TotalAmt |
Amounts Rcvd Dsqlfy Person AmountsRcvdDsqlfyPersonGrp
| Field | Value | IRS element (for citing) |
|---|---|---|
| Current Tax Year Minus4 Years | $0 | CurrentTaxYearMinus4YearsAmt |
| Current Tax Year Minus3 Years | $0 | CurrentTaxYearMinus3YearsAmt |
| Current Tax Year Minus2 Years | $0 | CurrentTaxYearMinus2YearsAmt |
| Current Tax Year Minus1 Year | $0 | CurrentTaxYearMinus1YearAmt |
| Current Tax Year | $0 | CurrentTaxYearAmt |
| Total | $0 | TotalAmt |
Substantial Contributors Amt SubstantialContributorsAmtGrp
| Field | Value | IRS element (for citing) |
|---|---|---|
| Current Tax Year Minus4 Years | $0 | CurrentTaxYearMinus4YearsAmt |
| Current Tax Year Minus3 Years | $0 | CurrentTaxYearMinus3YearsAmt |
| Current Tax Year Minus2 Years | $0 | CurrentTaxYearMinus2YearsAmt |
| Current Tax Year Minus1 Year | $0 | CurrentTaxYearMinus1YearAmt |
| Current Tax Year | $18,325 | CurrentTaxYearAmt |
| Total | $18,325 | TotalAmt |
Subst And Dsqlfy Prsns Tot SubstAndDsqlfyPrsnsTotGrp
| Field | Value | IRS element (for citing) |
|---|---|---|
| Current Tax Year Minus4 Years | $0 | CurrentTaxYearMinus4YearsAmt |
| Current Tax Year Minus3 Years | $0 | CurrentTaxYearMinus3YearsAmt |
| Current Tax Year Minus2 Years | $0 | CurrentTaxYearMinus2YearsAmt |
| Current Tax Year Minus1 Year | $0 | CurrentTaxYearMinus1YearAmt |
| Current Tax Year | $18,325 | CurrentTaxYearAmt |
| Total | $18,325 | TotalAmt |
| Field | Value | IRS element (for citing) |
|---|---|---|
| Public Support Total509 | $109,014 | PublicSupportTotal509Amt |
Gross Investment Income509 GrossInvestmentIncome509Grp
| Field | Value | IRS element (for citing) |
|---|---|---|
| Current Tax Year Minus4 Years | $0 | CurrentTaxYearMinus4YearsAmt |
| Current Tax Year Minus3 Years | $0 | CurrentTaxYearMinus3YearsAmt |
| Current Tax Year Minus2 Years | $0 | CurrentTaxYearMinus2YearsAmt |
| Current Tax Year Minus1 Year | $0 | CurrentTaxYearMinus1YearAmt |
| Current Tax Year | $0 | CurrentTaxYearAmt |
| Total | $0 | TotalAmt |
Post1975 UBTI Post1975UBTIGrp
| Field | Value | IRS element (for citing) |
|---|---|---|
| Current Tax Year Minus4 Years | $0 | CurrentTaxYearMinus4YearsAmt |
| Current Tax Year Minus3 Years | $0 | CurrentTaxYearMinus3YearsAmt |
| Current Tax Year Minus2 Years | $0 | CurrentTaxYearMinus2YearsAmt |
| Current Tax Year Minus1 Year | $0 | CurrentTaxYearMinus1YearAmt |
| Current Tax Year | $0 | CurrentTaxYearAmt |
| Total | $0 | TotalAmt |
Investment Income And UBTI InvestmentIncomeAndUBTIGrp
| Field | Value | IRS element (for citing) |
|---|---|---|
| Current Tax Year Minus4 Years | $0 | CurrentTaxYearMinus4YearsAmt |
| Current Tax Year Minus3 Years | $0 | CurrentTaxYearMinus3YearsAmt |
| Current Tax Year Minus2 Years | $0 | CurrentTaxYearMinus2YearsAmt |
| Current Tax Year Minus1 Year | $0 | CurrentTaxYearMinus1YearAmt |
| Current Tax Year | $0 | CurrentTaxYearAmt |
| Total | $0 | TotalAmt |
Net Income From Other UBI NetIncomeFromOtherUBIGrp
| Field | Value | IRS element (for citing) |
|---|---|---|
| Current Tax Year Minus4 Years | $0 | CurrentTaxYearMinus4YearsAmt |
| Current Tax Year Minus3 Years | $0 | CurrentTaxYearMinus3YearsAmt |
| Current Tax Year Minus2 Years | $0 | CurrentTaxYearMinus2YearsAmt |
| Current Tax Year Minus1 Year | $0 | CurrentTaxYearMinus1YearAmt |
| Current Tax Year | $0 | CurrentTaxYearAmt |
| Total | $0 | TotalAmt |
Other Income509 OtherIncome509Grp
| Field | Value | IRS element (for citing) |
|---|---|---|
| Current Tax Year Minus4 Years | $0 | CurrentTaxYearMinus4YearsAmt |
| Current Tax Year Minus3 Years | $0 | CurrentTaxYearMinus3YearsAmt |
| Current Tax Year Minus2 Years | $0 | CurrentTaxYearMinus2YearsAmt |
| Current Tax Year Minus1 Year | $0 | CurrentTaxYearMinus1YearAmt |
| Current Tax Year | $0 | CurrentTaxYearAmt |
| Total | $0 | TotalAmt |
Total Support Calendar Year TotalSupportCalendarYearGrp
| Field | Value | IRS element (for citing) |
|---|---|---|
| Current Tax Year Minus4 Years | $0 | CurrentTaxYearMinus4YearsAmt |
| Current Tax Year Minus3 Years | $0 | CurrentTaxYearMinus3YearsAmt |
| Current Tax Year Minus2 Years | $22,824 | CurrentTaxYearMinus2YearsAmt |
| Current Tax Year Minus1 Year | $0 | CurrentTaxYearMinus1YearAmt |
| Current Tax Year | $104,515 | CurrentTaxYearAmt |
| Total | $127,339 | TotalAmt |
| Field | Value | IRS element (for citing) |
|---|---|---|
| Public Support CY509 | 0.8561 | PublicSupportCY509Pct |
| Public Support PY509 | 0.00 | PublicSupportPY509Pct |
| Investment Income CY | 0 | InvestmentIncomeCYPct |
| Investment Income PY | 0.00 | InvestmentIncomePYPct |
| Thirty Thr Pct Suprt Tests CY509 | Yes (X) | ThirtyThrPctSuprtTestsCY509Ind |
Schedule B IRS990ScheduleB
Contributor Information ContributorInformationGrp
| Field | Value | IRS element (for citing) |
|---|---|---|
| Contributor | RESTRICTED | ContributorNum |
Contributor Business Name ContributorBusinessName
| Field | Value | IRS element (for citing) |
|---|---|---|
| Business Name Line1 | RESTRICTED | BusinessNameLine1 |
Contributor US Address ContributorUSAddress
| Field | Value | IRS element (for citing) |
|---|---|---|
| Address Line1 | RESTRICTED | AddressLine1 |
| Address Line2 | RESTRICTED | AddressLine2 |
| City | RESTRICTED | City |
| State | RESTRICTED | State |
| ZIP Code | RESTRICTED | ZIPCode |
| Field | Value | IRS element (for citing) |
|---|---|---|
| Total Contributions | RESTRICTED | TotalContributionsAmt |
Schedule O IRS990ScheduleO
Supplemental Information Detail SupplementalInformationDetail (3 entries)
| Form And Line ReferenceFormAndLineReferenceDesc | ExplanationExplanationTxt |
|---|---|
| Part I, line 16 | | Other Expenses:, Amount:| Catering and Meals, $35793| Flights and Transportation Note: This includes an 8,325.00 non-cash in-kind contribution from the University of Arizona Department of Physiology for speaker flights, $25332| Activities and Performance, $11282| Miscellaneous Conference Expenses, $4448| |
| Part V, line 33 | | Explanation:| During the 2025 tax year the organization significantly expanded its programmatic output by hosting its first major international scientific symposium Gastronauts Biosphere 2. In previous tax years the organization operated on a smaller scale and filed Form 990-N e-Postcard. The successful execution of this symposium represents the organizations graduation to a higher level of financial and programmatic activity in direct furtherance of its tax-exempt mission.| |
| Part III, Line 28 | | Explanation:| Statement of Program Service Accomplishments: Gastronauts Biosphere 2 Symposium: Imagine a place where groundbreaking ecological research meets the cutting edge of gut-brain science. Gastronauts Biosphere 2 isnt just a symposium; its an experience! Held within the iconic 3.14-acre glass-enclosed world of Biosphere 2 this gathering of forward-thinking scientists delved into the complex connections between food the gut and the brain. Gastronauts is a global community of thinkers at the forefront of discovery on gut-brain matters. We are scientists researchers chefs innovators and thought leaders united by a shared passion. Through international symposia like Gastronauts Biosphere 2 we foster collaboration ignite knowledge exchange and champion cutting-edge research. Our hallmark is an interdisciplinary approach bringing together experts from diverse fieldsneuroscience immunology environmental science gastroenterology and more. The event successfully hosted 70 attendees and featured 23 invited speakers. The symposium generated impactful research collaborations and pioneered new ways of thinking about food gut health and their profound influence on the brain. |