Liabilities / Assets
92nd percentile
Higher debt load relative to assets than 92% of similar nonprofits.
EIN 26-0711287 • 501(c)3 • Ann Arbor, MI
Profile
GLOS provides end-to-end data services that support science, policy, management, and industry in the Great Lakes.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
92nd percentile
Higher debt load relative to assets than 92% of similar nonprofits.
Liabilities / Revenue
68th percentile
Higher debt load relative to revenue than 68% of similar nonprofits.
Net Margin
30th percentile
Higher net margin than 30% of similar nonprofits.
Top Officer Pay
Score unavailable
No filing with officer rows is available for this organization yet.
Asset Growth
41st percentile
Faster asset growth than 41% of similar nonprofits.
Revenue Growth
63rd percentile
Faster revenue growth than 63% of similar nonprofits.
Assets
Up$694,352
Up $282,692 (+69%) from 2023
Liabilities
Up$603,539
Up $145,119 (+32%) from 2023
Net Assets
Up$90,813
Up $137,573 (+294%) from 2023
Revenue
Up$4,203,096
Up $694,330 (+20%) from 2023
Expenses
Up$4,065,523
Up $445,055 (+12%) from 2023
Net Income
Up$137,573
Up $249,275 (+223%) from 2023
Most recent year
2024 • Form 990Detailed filing. Detailed filing data is available for this year.
GLOS was established to advance the coordination of the extensive network of people, processes, and technology that work together to maximize access to critical real-time and historical information about the Great Lakes and St. Lawrence River system for use in managing, safeguarding, and understanding our immensely valuable freshwater resources.
GLOS provides end-to-end data services that support science, policy, management, and industry in the Great Lakes.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Pledges and Grants Receivable | $206,227 | $457,422 | ▲ $251,195 |
| Cash and Non-Interest-Bearing Accounts | $169,300 | $236,930 | ▲ $67,630 |
| Receivables From Officers Etc | $36,133 | - | - |
| Total Assets | $411,660 | $694,352 | ▲ $282,692 |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | $458,420 | $603,539 | ▲ $145,119 |
| Total Liabilities | $458,420 | $603,539 | ▲ $145,119 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $-46,760 | $90,813 | ▲ $137,573 |
| Total Net Assets Fund Balance | $-46,760 | $90,813 | ▲ $137,573 |
| Total Liabilities and Net Assets / Fund Balance | $411,660 | $694,352 | ▲ $282,692 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Tim Kearns | Chief Information Officer | FT | $166,035 | $33,795 | $199,830 |
| Becky Pearson | Chief Operations Officer and Interim CEO | FT | $135,878 | $34,961 | $170,839 |
| Ana Sirviente | Chief Technology Officer | FT | $124,940 | $40,813 | $165,753 |
| Josephine Grimaudo-Cacciatore | Financial Manager | FT | $111,855 | $29,152 | $141,007 |
| Jennifer Boehme | Chief Executive Officer effective August 2023 | FT | $67,904 | $15,752 | $83,656 |
| Name | Title |
|---|---|
| Pete Giencke | Chair |
| Tom Rayburn | Vice Chair |
| Aaron Fisk | Director |
| Heather Strirrat | Director |
| Leon Carl | Director |
| Mary-Claire Buell | Director |
| Stephanie Gandula | Director |
| Bob Lambe | Director until October 2023 |
| Rhonda Wille | Director until October 2023 |
| Annie Atkinson | Treasurer-Secretary |
| Lynne Chaimowitz | Treasurer-Secretary until October 2023 |
| Contractor | Services | Location | Compensation |
|---|---|---|---|
| DIG - Digital Industry Group | IT Services | 99 Monroe Ave NW Ste 200, Grand Rapids, MI 49503 | $367,926 |
| SpinDance | IT Services | 150 E 8th St Ste 200, Holland, MI 49423 | $284,892 |
| Line Item | Amount |
|---|---|
| Grants and Similar Amounts Paid | $1,909,441 |
| Salaries, Compensation, and Employee Benefits | $1,258,965 |
| Other Expenses | $897,117 |
| Professional Fundraising Fees | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Grants to Domestic Orgs | $1,713,467 | - | - | $1,713,467 |
| Current Officers, Directors, Trustees, and Key Employees | $461,704 | $85,596 | - | $547,300 |
| Other Salaries and Wages | $432,960 | $74,369 | - | $507,329 |
| Information Technology | $387,641 | $18,400 | - | $406,041 |
| Other Expenses | $328,887 | - | - | $328,887 |
| Foreign Grants | $195,974 | - | - | $195,974 |
| Other Employee Benefits | $77,806 | $3,337 | - | $81,143 |
| Payroll Taxes | $61,974 | $10,260 | - | $72,234 |
| Pension Plan Contributions | $48,235 | $2,724 | - | $50,959 |
| Office Expenses | $28,150 | $5,051 | - | $33,201 |
| Fees for Services Accounting | - | $29,024 | - | $29,024 |
| Travel | $27,349 | $1,439 | - | $28,788 |
| Fees for Services Other | $7,659 | $13,655 | - | $21,314 |
| Conferences and Meetings | $17,830 | $1,981 | - | $19,811 |
| All Other Expenses | $13,961 | $1,979 | - | $15,940 |
| Fees for Services Legal | - | $7,332 | - | $7,332 |
| Insurance | - | $6,779 | - | $6,779 |
| Total Functional Expenses | $3,803,597 | $261,926 | $0 | $4,065,523 |
| Line Item | Amount |
|---|---|
| Total Expenses per Audited Statements | $4,098,235 |
| Expenses per Audited Statements | $4,065,523 |
| Total Expenses per Form 990 | $4,065,523 |
| Expenses Not Reported on Form 990 | $32,712 |
| Recipient | Location | Category | Purpose | Amount |
|---|---|---|---|---|
| IOOS Association | Harpswell, ME | 501c3 | Supports regional associations of the US IOOS program | $434,419 |
| University of Wisconsin Milwaukee | Milwaukee, WI | 170a1 | Monitoring programs in Lake Michigan | $337,115 |
| Michigan Tech | Houghton, MI | 170a1 | Bitwise | $187,257 |
| Regents of University of Michigan | Ann Arbor, MI | 501c3 | Monitoring in Lake Erie and climate data products | $132,377 |
| Upstate Freshwater Institute | Syracuse, NY | 501c3 | Year-round Real-time Monitoring of the Lake Ontario Nearshore | $115,201 |
| Michigan Tech | Houghton, MI | 170a1 | MTU Observing Systems Operations Maintenance | $107,475 |
| Florida Atlantic University | Atlanta, GA | 170a1 | An Autonomous Digital Holographic Imaging System for Detecting Cyanobacterial Composition abundance in Lake Erie | $103,646 |
| Michigan Tech | Houghton, MI | 170a1 | NOAA NCCOS Ground Truthing 2023 | $78,277 |
| Michigan Tech | Houghton, MI | 170a1 | MTU Observing Systems Refurbishment Enhancement 2023 | $76,615 |
| Colorado School of Mines | Golden, CO | 170a1 | National Water Initiative Coastal Model Evaluation | $44,862 |
| Michigan Tech | Houghton, MI | 170a1 | Operation and Maintenance High Frequency Radar in the Straits of Mackinac, Michigan | $37,526 |
| Michigan Tech | Houghton, MI | 170a1 | Offshore Winter Observing System | $19,337 |
| Regents of University of Minnesota | Minneapolis, MN | 170a1 | Monitoring stations around the St. Louis Estuary and into Lake Superior | $16,698 |
| Research Foundation for State University of New York | Albany, NY | 501c3 | Monitoring in Lake Ontario | $11,958 |
| Michigan Tech | Houghton, MI | 170a1 | Vital year-round measurements on the worlds largest lake via cabled under-ice observatories | $10,704 |
| Region | Activity | Services | Offices | Employees | Spending |
|---|---|---|---|---|---|
| North America | Grants to recipients located in the region | - | - | 1 | $195,974 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
| Line Item | Beginning | End | Change |
|---|---|---|---|
| Receivables from Officers, Directors, Trustees, and Key Employees | $36,133 | - | - |
| Liability | Amount |
|---|---|
| Federal income taxes | - |
“The CEO and Financial Manager review the Form 990 prior to filing. The Board Treasurer presents it to the Board.”
“Each board member is briefed on the GLOS board/staff conflict of interest policies in the bylaws when they are appointed. Members are required to self-identify issues or situations in which they are in real or perceived conflict, and the board then follows procedures for managing the conflict as outlined in the bylaws.”
“The GLOS Board reviewed and approved the CEOs salary.”
“The organizations governing documents, conflict of interest policy, and financial statements are available to the public 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 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 458420 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 603539 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | GLOS provides end-to-end data services that support science, policy, management, and industry in the Great Lakes. |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 0 |
| IRS990/AllOtherContributionsAmt | 0 | 5936 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 1979 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 13961 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 15940 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 0 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | Jennifer Boehme |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 7347412262 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 4840 S State Road |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Ann Arbor |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MI |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 48108 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 169300 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 236930 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 2 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 85596 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 461704 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 547300 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 1981 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 17830 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 19811 |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 367926 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 284892 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 99 Monroe Ave NW Ste 200 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 150 E 8th St Ste 200 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | Grand Rapids |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | Holland |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | MI |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | MI |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 49503 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 49423 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | DIG - Digital Industry Group |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | SpinDance |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | IT Services |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | IT Services |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 4186597 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 1909441 |
| IRS990/CYInvestmentIncomeAmt | 0 | 0 |
| IRS990/CYOtherExpensesAmt | 0 | 897117 |
| IRS990/CYOtherRevenueAmt | 0 | 16499 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 137573 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 1258965 |
| IRS990/CYTotalExpensesAmt | 0 | 4065523 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 4203096 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 0 |
| IRS990/Desc | 0 | GLOS coordinates a network of data users and data providers to improve the collection, management, and delivery of data across the Great Lakes region. GLOS sponsors data collection and data management projects conducted by academic institutions, non-profits, government agencies, and the private sector in the Great Lakes region including seasonal deployment of a near-shore observing asset network of approximately 40 buoys, 6 gliders, 2 high frequency radar stations and 4 autonomous underwater vehicles AUVs over 575 data streams are made available through seagull.glos.org/landing. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 11 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 3803597 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditPerformedInd | 0 | true |
| IRS990/FederalGrantAuditRequiredInd | 0 | true |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 29024 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 29024 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 7332 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 7332 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 13655 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 7659 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 21314 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignActivitiesInd | 0 | true |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignGrantsGrp/ProgramServicesAmt | 0 | 195974 |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 195974 |
| IRS990/ForeignOfficeInd | 0 | true |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 040.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 040.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 040.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 040.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 040.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 001.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 001.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 001.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 001.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 001.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 001.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 001.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 001.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 001.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 001.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 001.00 |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 1 | X |
| 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/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/KeyEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 33795 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 34961 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 40813 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 29152 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 15752 |
| 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/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | Tim Kearns |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Becky Pearson |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Ana Sirviente |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Josephine Grimaudo-Cacciatore |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Jennifer Boehme |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Pete Giencke |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Bob Lambe |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | Tom Rayburn |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | Aaron Fisk |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | Lynne Chaimowitz |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | Leon Carl |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | Stephanie Gandula |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | Rhonda Wille |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | Annie Atkinson |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | Mary-Claire Buell |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | Heather Strirrat |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 166035 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 135878 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 124940 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 111855 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 67904 |
| 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/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 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/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | Chief Information Officer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Chief Operations Officer and Interim CEO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Chief Technology Officer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Financial Manager |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Chief Executive Officer effective August 2023 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | Chair |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | Director until October 2023 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | Vice Chair |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | Treasurer-Secretary until October 2023 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | Director until October 2023 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | Treasurer-Secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | Director |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 2006 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | true |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 8 |
| IRS990/GovernmentGrantsAmt | 0 | 4180661 |
| IRS990/GrantAmt | 0 | 1909441 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 1713467 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 1713467 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | true |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 4203096 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | true |
| IRS990/IndependentVotingMemberCnt | 0 | 8 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 4 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 18400 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 387641 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 406041 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 6779 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 6779 |
| IRS990/InterestGrp/TotalAmt | 0 | 0 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/IRPDocumentCnt | 0 | 3 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | MI |
| IRS990/LoanOutstandingInd | 0 | true |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MiscellaneousRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 16499 |
| IRS990/MiscellaneousRevenueGrp/TotalRevenueColumnAmt | 0 | 16499 |
| IRS990/MissionDesc | 0 | GLOS provides end-to-end data services that support science, policy, management, and industry in the Great Lakes. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | true |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | -46760 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 90813 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | -46760 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 90813 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/TotalAmt | 0 | 0 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 5051 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 28150 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 33201 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 3337 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 77806 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 81143 |
| IRS990/OtherExpensesGrp/Desc | 0 | Equipment purchases for grants |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 328887 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 328887 |
| IRS990/OtherRevenueTotalAmt | 0 | 16499 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 74369 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 432960 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 507329 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PaymentsToAffiliatesGrp/TotalAmt | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 10260 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 61974 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 72234 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 2724 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 48235 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 50959 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 206227 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 457422 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrincipalOfficerNm | 0 | Jennifer Boehme |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 3464245 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 1151938 |
| IRS990/PymtTravelEntrtnmntPubOfclGrp/TotalAmt | 0 | 0 |
| IRS990/PYOtherExpensesAmt | 0 | 1126665 |
| IRS990/PYOtherRevenueAmt | 0 | 44521 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -111702 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 1341865 |
| IRS990/PYTotalExpensesAmt | 0 | 3620468 |
| IRS990/PYTotalRevenueAmt | 0 | 3508766 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReceivablesFromOfficersEtcGrp/BOYAmt | 0 | 36133 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 137573 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | false |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RevenueAmt | 0 | 16499 |
| IRS990/RoyaltiesGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/FactsAndCircumstancesTestTxt | 0 | Part II Section B Line 10 Other related revenue |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 4186597 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 3464245 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 4779188 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 4187676 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 2186044 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 18803750 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/CurrentTaxYearAmt | 0 | 32712 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/CurrentTaxYearMinus1YearAmt | 0 | 32712 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/TotalAmt | 0 | 65424 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 4 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 12 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 27 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 43 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearAmt | 0 | 16499 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 44521 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 42221 |
| IRS990ScheduleA/OtherIncome170Grp/TotalAmt | 0 | 103241 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.99460 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.99470 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 18869174 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 4219309 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 3496957 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 4779188 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 4187676 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 2186044 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 18869174 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 18972458 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990/ScheduleBRequiredInd | 0 | true |
| IRS990ScheduleD/DonatedServicesAndUseFcltsAmt | 0 | 32712 |
| IRS990ScheduleD/DonatedServicesUseFcltsAmt | 0 | 32712 |
| IRS990ScheduleD/ExpensesNotReportedAmt | 0 | 32712 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 4065523 |
| IRS990ScheduleD/InclEscrowCustodialAcctLiabInd | 0 | false |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | Federal income taxes |
| IRS990ScheduleD/OtherSecuritiesGrp/Desc | 0 | Financial derivatives and other financial products |
| IRS990ScheduleD/OtherSecuritiesGrp/Desc | 1 | Closely-held equity interests |
| IRS990ScheduleD/RevenueNotReportedAmt | 0 | 32712 |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 4203096 |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 4065523 |
| IRS990ScheduleD/TotalRevenuePerForm990Amt | 0 | 4203096 |
| IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt | 0 | 4235808 |
| IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt | 0 | 4098235 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/EmployeeCnt | 0 | 1 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTotalExpendituresAmt | 0 | 195974 |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/RegionTxt | 0 | North America |
| IRS990ScheduleF/AccountActivitiesOutsideUSGrp/TypeOfActivitiesConductedTxt | 0 | Grants to recipients located in the region |
| IRS990ScheduleF/BoycottCountriesInd | 0 | false |
| IRS990ScheduleF/ForeignCorpOwnershipInd | 0 | false |
| IRS990ScheduleF/ForeignPartnershipInd | 0 | false |
| IRS990ScheduleF/GrantRecordsMaintainedInd | 0 | true |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/CashGrantAmt | 0 | 66000 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/CashGrantAmt | 1 | 42374 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/CashGrantAmt | 2 | 30600 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/CashGrantAmt | 3 | 57000 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/MannerOfCashDisbursementTxt | 0 | International Wire Transfer |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/MannerOfCashDisbursementTxt | 1 | International Wire Transfer |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/MannerOfCashDisbursementTxt | 2 | International Wire Transfer |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/MannerOfCashDisbursementTxt | 3 | International Wire Transfer |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/PurposeOfGrantTxt | 0 | Crowd Sourced Bathymetry in support of Lakebed 2030 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/PurposeOfGrantTxt | 1 | Towards consideration for Indigenous Led Smart Great Lakes Initiative Phase 2 |
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