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Nonprofit · EIN 26-0711287

GREAT LAKES OBSERVING SYSTEM REGIONAL ASSOCIATION

Tax-exempt · ANN ARBOR, MI 48108

Financials

$3.5M$3.6M2022$4.2M$4.1M2023$4.9M$4.8M2024
Revenue Expenses · by fiscal year end
Financials of GREAT LAKES OBSERVING SYSTEM REGIONAL ASSOCIATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2025990$4,877,735$4,775,106$102,629$875,307$681,865$193,442
June 30, 2024990$4,203,096$4,065,523$137,573$694,352$603,539$90,813
June 30, 2023990$3,508,766$3,620,468-$111,702$411,660$458,420-$46,760
Financial details: 990 for the year ended June 30, 2025

Revenue

Contributions, gifts and grants
$4,761,011
of which government grants
$4,744,778
Program service revenue
$0
Investment income
$0
Other revenue
$116,724

Expenses

Grants and similar amounts paid
$2,017,608
Compensation of officers, directors and key employees
$590,120
Other salaries and wages
$589,389
Salaries, compensation and benefits (total)
$1,415,684
Professional fundraising fees
$0
Legal fees
$8,987
Accounting fees
$21,603
Travel
$47,592
Program services (functional)
$4,489,717
Management and general (functional)
$285,389

Balance sheet and other

Total assets, start of year
$694,352
Total assets, end of year
$875,307
Total liabilities, end of year
$681,865
Net assets, end of year
$193,442
Net assets without donor restrictions
$193,442
Gross receipts
$4,877,735
Employees
8
Volunteers
8
Year formed
2006
State of legal domicile
MI

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended June 30, 2025, highest compensation first.

NameTitleHours / weekCompensationOther / benefits
Tim KearnsChief Information Officer
Key employee
40$180,997$37,003
Jennifer BoehmeChief Executive Officer
Officer
40$162,805$37,769
Josephine Grimaudo-CacciatoreFinancial Manager
Highest-paid employee
40$117,347$30,774
Pete GienckeVice Chair
Trustee or director, Officer
1$0$0
Thomas RayburnChair
Trustee or director, Officer
1$0$0
Aaron FiskDirector
Trustee or director
1$0$0
Leon CarlDirector
Trustee or director
1$0$0
Stephanie GandullaDirector
Trustee or director
1$0$0
Annie AtkinsonTreasurer
Trustee or director, Officer
1$0$0
Mary-Claire BuellDirector
Trustee or director
1$0$0
Heather StirrattDirector
Trustee or director
1$0$0
990 for the year ended June 30, 2024: 16 people
NameTitleHours / weekCompensationOther / benefits
Tim KearnsChief Information Officer
Key employee
40$166,035$33,795
Becky PearsonChief Operations Officer and Interim CEO
Officer
40$135,878$34,961
Ana SirvienteChief Technology Officer
Highest-paid employee
40$124,940$40,813
Josephine Grimaudo-CacciatoreFinancial Manager
Highest-paid employee
40$111,855$29,152
Jennifer BoehmeChief Executive Officer effective August 2023
Officer
40$67,904$15,752
Pete GienckeChair
Trustee or director, Officer
1$0$0
Bob LambeDirector until October 2023
Trustee or director
1$0$0
Tom RayburnVice Chair
Trustee or director, Officer
1$0$0
Aaron FiskDirector
Trustee or director
1$0$0
Lynne ChaimowitzTreasurer-Secretary until October 2023
Trustee or director, Officer
1$0$0
Leon CarlDirector
Trustee or director
1$0$0
Stephanie GandulaDirector
Trustee or director
1$0$0
Rhonda WilleDirector until October 2023
Trustee or director
1$0$0
Annie AtkinsonTreasurer-Secretary
Trustee or director, Officer
1$0$0
Mary-Claire BuellDirector
Trustee or director
1$0$0
Heather StrirratDirector
Trustee or director
1$0$0
990 for the year ended June 30, 2023: 13 people
NameTitleHours / weekCompensationOther / benefits
Tim KearnsChief Information Officer
Key employee
40$161,051$29,115
Kelli PaigeCEO until January 2023
Officer
40$155,305$34,529
Ana SirvienteChief Technology Officer
Highest-paid employee
40$131,316$41,381
Becky PearsonChief Operations Officer and Interim CEO
Officer
40$101,395$28,478
Jennifer BoehmeChair
Trustee or director, Officer
1$0$0
Pete GienckeDirector
Trustee or director
1$0$0
Bob LambeDirector
Trustee or director
1$0$0
Tom RayburnVice Chair
Trustee or director, Officer
1$0$0
Aaron FiskDirector
Trustee or director
1$0$0
Lynne ChaimowitzTreasurer-Secretary
Trustee or director, Officer
1$0$0
Leon CarlDirector
Trustee or director
1$0$0
Stephanie GandulaDirector
Trustee or director
1$0$0
Rhonda WilleDirector
Trustee or director
1$0$0

Address and contacts

Address (IRS master file)
4840 S STATE RD, ANN ARBOR, MI 48108-9719
Principal officer (990 for 2024)
Jennifer Boehme, 4840 S State Road, Ann Arbor, MI 48108
Signed the 990
Jennifer Boehme, CEO
Phone
(734) 741-2294
Return prepared by
Bennett & Associates CPAs PLLC

Mission

As a nonprofit IOOS Regional Association, GLOS provides end-to-end data services that support science, policy, management, and industry all around the Great Lakes region.

990 for the year ended June 30, 2025

Program accomplishments

  • 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, tribes, and the private sector in the Great Lakes region including seasonal deployment of a near-shore observing asset network of approximately 50 buoys, 6 gliders, 2 high frequency radar stations and 2 autonomous underwater vehicles AUVs over 575 data streams are made available through seagull.glos.org/landing.
    Expenses $4,489,717 · grants $2,017,608 · revenue $116,724

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026Not due yet
2024June 30, 2025November 17, 2025990 on file
2023June 30, 2024November 15, 2024990 on file

IRS record

EIN
26-0711287
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2008
Accounting year ends
June
Files
Form 990 or 990-EZ
Assets (IRS master file)
$875,307
Income (IRS master file)
$4,877,735

Filing history

FormYear endedRevenueExpensesAssetsReturn
990June 2025$4,877,735$4,775,106$875,307IRS
990June 2024$4,203,096$4,065,523$694,352XML
990June 2023$3,508,766$3,620,468$411,660XML
990June 2022$4,821,413$5,016,033$1,172,768IRS
990June 2021–––IRS
990June 2020–––IRS
990June 2019–––IRS
990June 2018–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 26-0711287).

Questions about GREAT LAKES OBSERVING SYSTEM REGIONAL ASSOCIATION

What is the EIN of GREAT LAKES OBSERVING SYSTEM REGIONAL ASSOCIATION?
The employer identification number (EIN) of GREAT LAKES OBSERVING SYSTEM REGIONAL ASSOCIATION is 26-0711287.
Is GREAT LAKES OBSERVING SYSTEM REGIONAL ASSOCIATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2008.
Are donations to GREAT LAKES OBSERVING SYSTEM REGIONAL ASSOCIATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does GREAT LAKES OBSERVING SYSTEM REGIONAL ASSOCIATION file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of GREAT LAKES OBSERVING SYSTEM REGIONAL ASSOCIATION due?
The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did GREAT LAKES OBSERVING SYSTEM REGIONAL ASSOCIATION last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended June 2025.
Who is the principal officer of GREAT LAKES OBSERVING SYSTEM REGIONAL ASSOCIATION?
The 990 for the year ended June 30, 2025 names Jennifer Boehme.
Who are the officers and directors of GREAT LAKES OBSERVING SYSTEM REGIONAL ASSOCIATION?
The 990 for the year ended June 30, 2025 lists 11 people; 3 received compensation from the organization, the highest $180,997 (Tim Kearns, Chief Information Officer).
How much revenue does GREAT LAKES OBSERVING SYSTEM REGIONAL ASSOCIATION have?
On its 990 for the year ended June 30, 2025 it reported revenue of $4,877,735, expenses of $4,775,106 and total assets of $875,307 at year end.

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