Liabilities / Assets
72nd percentile
Higher debt load relative to assets than 72% of similar nonprofits.
990 • Fiscal year 2024 • EIN 52-2236921
Precomputed percentiles for this filing year versus similar nonprofits in the same peer cohort.
Liabilities / Assets
72nd percentile
Higher debt load relative to assets than 72% of similar nonprofits.
Liabilities / Revenue
76th percentile
Higher debt load relative to revenue than 76% of similar nonprofits.
Net Margin
24th percentile
Higher net margin than 24% of similar nonprofits.
Top Officer Pay
79th percentile
Higher top officer pay than 79% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
36th percentile
Faster asset growth than 36% of similar nonprofits.
Revenue Growth
54th percentile
Faster revenue growth than 54% of similar nonprofits.
Assets
Down$283,212
Down $21,733 (-7.1%) from 2023
Net Assets
Down$273,212
Down $31,733 (-10%) from 2023
Liabilities
Up$10,000
Up $10,000 from 2023
Revenue
Up$244,394
Up $13,897 (+6.0%) from 2023
Expenses
Up$276,127
Up $22,590 (+8.9%) from 2023
Net Income
Down-$31,733
Down $8,693 (-38%) from 2023
The organization provides a forum for the discussion of nuclear technologies with the objective of helping policymakers to make informed decisions regarding nuclear technology issues.
SEE FORM 990, PART III.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Savings and Temporary Cash Investments | $61,255 | $223,366 | ▲ $162,111 |
| Cash and Non-Interest-Bearing Accounts | $243,690 | $49,846 | ▼ $193,844 |
| Accounts Receivable | - | $10,000 | - |
| Total Assets | $304,945 | $283,212 | ▼ $21,733 |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | - | $10,000 | - |
| Total Liabilities | $0 | $10,000 | ▲ $10,000 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $304,945 | $273,212 | ▼ $31,733 |
| Total Net Assets Fund Balance | $304,945 | $273,212 | ▼ $31,733 |
| Total Liabilities and Net Assets / Fund Balance | $304,945 | $283,212 | ▼ $21,733 |
| Name | Title |
|---|---|
| Maria Korsnick | Chair |
| Bryan Anderson | Board Member |
| Charles Pardee | Board Member |
| Jack Edlow | Board Member |
| John Hopkins | Board Member |
| Kathleen Barron | Board Member |
| Mark Peters | Board Member |
| Neil Chatterjee | Board Member |
| Todd Allen | Board Member |
| Leeann Petersen | Executive Director |
| Ellen Ginsberg | Treasurer |
| Contractor | Services | Location | Compensation |
|---|---|---|---|
| L Street Partners | Management Services | 1432 INDEPENDENCE AVENUE SE, Washington, DC 20003 | $149,940 |
| Line Item | Amount |
|---|---|
| Other Expenses | $266,127 |
| Total Fundraising Expense | $30,679 |
| Grants and Similar Amounts Paid | $10,000 |
| Professional Fundraising Fees | $0 |
| Salaries, Compensation, and Employee Benefits | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Fees for Services Management | $89,964 | $37,485 | $22,491 | $149,940 |
| Conferences and Meetings | $58,421 | - | - | $58,421 |
| Travel | $25,191 | $865 | - | $26,056 |
| Fees for Services Accounting | - | $19,640 | - | $19,640 |
| Grants to Domestic Orgs | $10,000 | - | - | $10,000 |
| Other Expenses | - | - | $8,188 | $8,188 |
| Insurance | - | $3,588 | - | $3,588 |
| Office Expenses | - | $294 | - | $294 |
| Total Functional Expenses | $183,576 | $61,872 | $30,679 | $276,127 |
| Line Item | Amount |
|---|---|
| Expenses per Audited Statements | $276,127 |
| Total Expenses per Audited Statements | $276,127 |
| Total Expenses per Form 990 | $276,127 |
| Expenses Not Reported on Financial Statements | $0 |
| Expenses Not Reported on Form 990 | $0 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
| Interested Party | Relationship | Description | Shared Revenue | Amount |
|---|---|---|---|---|
| - | The Executive Director Is an Owner of L Street Partners | Management Services | No | $149,940 |
“The foundation for nuclear studies (fns) retained an independent contractor, convention sports & entertainment group, d/b/a as l street partners, to provide a suite of management services and administrative support, as well as those duties customarily performed by an executive director. Fns compensated l street partners $149,940 for those services. The duties of the executive director were provided to fns by leeann petersen, an employee of l street partners, who was paid $149,940 for those services.”
“The form 990 is prepared by the outside accountants and reviewed by the executive director and the treasurer/clerk. Members of the board are provided with a copy of the form 990 before it is filed with the irs.”
“Members are asked to sign a conflict of interest form annually at the first board meeting of the year. Members are required to recuse themselves from voting on issues that are identified as a conflict of interest.”
“As noted above, fns retained an independent contractor, l street partners, to provide a suite of services, including those duties customarily performed by an executive director. Fns hired l street partners in august of 2021. The performance of the executive director was reviewed in december 2024.”
“The organization makes its governing documents, conflict of interest policy, financial statements and form 990, available upon request.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | 1 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 10000 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 10000 |
| IRS990/AcctCompileOrReviewBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | SEE FORM 990, PART III. |
| IRS990/AllOtherContributionsAmt | 0 | 208500 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | LEEANN PETERSEN |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 2027446077 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 1432 INDEPENDENCE AVE SE 101 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | WASHINGTON |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | DC |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 20003 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 1 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 243690 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 49846 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 0 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 58421 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 58421 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 149940 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 1432 INDEPENDENCE AVENUE SE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | WASHINGTON |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | DC |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 20003 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | L STREET PARTNERS |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | MANAGEMENT SERVICES |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 208500 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 10000 |
| IRS990/CYInvestmentIncomeAmt | 0 | 12 |
| IRS990/CYOtherExpensesAmt | 0 | 266127 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 35882 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -31733 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 276127 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 30679 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 244394 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 1 |
| IRS990/Desc | 0 | EDUCATION OF PUBLIC AND POLICYMAKERS ABOUT NUCLEAR SCIENCE AND TECHNOLOGY THROUGH BRIEFINGS AND FORUMS. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 183576 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 19640 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 19640 |
| IRS990/FeesForServicesManagementGrp/FundraisingAmt | 0 | 22491 |
| IRS990/FeesForServicesManagementGrp/ManagementAndGeneralAmt | 0 | 37485 |
| IRS990/FeesForServicesManagementGrp/ProgramServicesAmt | 0 | 89964 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 149940 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 20.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | MARIA KORSNICK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | JACK EDLOW |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | JOHN HOPKINS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | CHARLES PARDEE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | MARK PETERS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | KATHLEEN BARRON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | TODD ALLEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | NEIL CHATTERJEE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | BRYAN ANDERSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | LEEANN PETERSEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | ELLEN GINSBERG |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | EXECUTIVE DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | TREASURER |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 2000 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedInd | 0 | 0 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 9 |
| IRS990/GrantAmt | 0 | 10000 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 10000 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 10000 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 244394 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
| IRS990/IndependentVotingMemberCnt | 0 | 9 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 3588 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 3588 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 12 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 12 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 2 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | DC |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | THE ORGANIZATION PROVIDES A FORUM FOR THE DISCUSSION OF NUCLEAR TECHNOLOGIES WITH THE OBJECTIVE OF HELPING POLICYMAKERS TO MAKE INFORMED DECISIONS REGARDING NUCLEAR TECHNOLOGY ISSUES. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 304945 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 273212 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 304945 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 273212 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 294 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 294 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/Desc | 0 | BUSINESS REGISTRATION |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 8188 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 8188 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrincipalOfficerNm | 0 | LEEANN PETERSEN |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 900099 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | PROGRAM EVENT FEES |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 35882 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 35882 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 201500 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 6500 |
| IRS990/PYInvestmentIncomeAmt | 0 | 92 |
| IRS990/PYOtherExpensesAmt | 0 | 247037 |
| IRS990/PYOtherRevenueAmt | 0 | 0 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 28905 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -23040 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/PYTotalExpensesAmt | 0 | 253537 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 230497 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -31733 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 0 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 35882 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 61255 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 223366 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 208500 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 201500 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 215000 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 183500 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 208750 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 1017250 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 12 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 92 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 16 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 6 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 15 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 141 |
| IRS990ScheduleA/GrossReceiptsRltdActivitiesAmt | 0 | 71608 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.68020 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.63420 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 692078 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 325172 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 208500 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 201500 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 215000 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 183500 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 208750 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 1017250 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 1017391 |
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| IRS990ScheduleL/BusTrInvolveInterestedPrsnGrp/RelationshipDescriptionTxt | 0 | THE EXECUTIVE DIRECTOR IS AN OWNER OF L STREET PARTNERS |
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| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | THE FOUNDATION FOR NUCLEAR STUDIES (FNS) RETAINED AN INDEPENDENT CONTRACTOR, CONVENTION SPORTS & ENTERTAINMENT GROUP, D/B/A AS L STREET PARTNERS, TO PROVIDE A SUITE OF MANAGEMENT SERVICES AND ADMINISTRATIVE SUPPORT, AS WELL AS THOSE DUTIES CUSTOMARILY PERFORMED BY AN EXECUTIVE DIRECTOR. FNS COMPENSATED L STREET PARTNERS $149,940 FOR THOSE SERVICES. THE DUTIES OF THE EXECUTIVE DIRECTOR WERE PROVIDED TO FNS BY LEEANN PETERSEN, AN EMPLOYEE OF L STREET PARTNERS, WHO WAS PAID $149,940 FOR THOSE SERVICES. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | THE FORM 990 IS PREPARED BY THE OUTSIDE ACCOUNTANTS AND REVIEWED BY THE EXECUTIVE DIRECTOR AND THE TREASURER/CLERK. MEMBERS OF THE BOARD ARE PROVIDED WITH A COPY OF THE FORM 990 BEFORE IT IS FILED WITH THE IRS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | MEMBERS ARE ASKED TO SIGN A CONFLICT OF INTEREST FORM ANNUALLY AT THE FIRST BOARD MEETING OF THE YEAR. MEMBERS ARE REQUIRED TO RECUSE THEMSELVES FROM VOTING ON ISSUES THAT ARE IDENTIFIED AS A CONFLICT OF INTEREST. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | AS NOTED ABOVE, FNS RETAINED AN INDEPENDENT CONTRACTOR, L STREET PARTNERS, TO PROVIDE A SUITE OF SERVICES, INCLUDING THOSE DUTIES CUSTOMARILY PERFORMED BY AN EXECUTIVE DIRECTOR. FNS HIRED L STREET PARTNERS IN AUGUST OF 2021. THE PERFORMANCE OF THE EXECUTIVE DIRECTOR WAS REVIEWED IN DECEMBER 2024. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | THE ORGANIZATION MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, FINANCIAL STATEMENTS AND FORM 990, AVAILABLE UPON REQUEST. |
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| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PART VI, SECTION B, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PART VI, SECTION B, LINE 12C |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PART VI, SECTION B, LINE 15 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990, PART VI, SECTION C, LINE 19 |
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| IRS990/StatesWhereCopyOfReturnIsFldCd | 2 | FL |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 3 | GA |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 4 | IL |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 5 | KS |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 6 | MD |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 7 | MA |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 8 | MI |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 9 | MN |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 10 | MS |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 11 | NJ |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 12 | NM |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 13 | NY |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 14 | NC |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 15 | CO |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 16 | PA |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 17 | SC |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 18 | TN |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 19 | CT |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 20 | VA |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 21 | NV |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 22 | WI |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 23 | OH |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 24 | WA |
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| IRS990/USAddress/CityNm | 0 | WASHINGTON |
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| IRS990/WebsiteAddressTxt | 0 | WWW.FOUNDATIONFORNUCLEARSTUDIES.ORG |
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| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | 1 |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | ELLEN GINSBERG |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | TREASURER |
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| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-11-13 |
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Displayed year
2024 • Form 990Detailed filing. Detailed filing data is available for this year.