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GREAT LAKES OBSERVING SYSTEM REGIONAL ASSOCIATION

EIN 26-0711287 ANN ARBOR, MI

Revenue 2024
$4,877,735
Expenses 2024
$4,775,106

Program services were 94.0% of total expenses calculated — Part IX's program-services column over total expenses, both as filed.

As filed

Subsection
03
NTEE code
U21
Classification
1000
Street
4840 S STATE RD

These codes are the IRS's own and are shown exactly as filed. What each one means is in the Business Master File documentation (opens in a new tab).

Mission and programs · 2024

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.

  • 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

As filed on the 2024 return.

Officers and directors · 2024

As listed in Part VII of the 2024 return, in the order the filer printed them. Each return names its own; this is not a roster the organization keeps with us.

  • Tim Kearns

    Chief Information Officer

    Total calculated
    $218,000
    From this org
    $180,997
    From related orgs
    $0
    Other
    $37,003
    Hours/week
    40

    Schedule J breakdown matched by us

    Base
    $180,997
    Bonus
    not reported
    Other
    not reported
    Deferred
    $17,311
    Nontaxable benefits
    $19,692
    Filer's total
    $218,000

  • Jennifer Boehme

    Chief Executive Officer

    Total calculated
    $200,574
    From this org
    $162,805
    From related orgs
    $0
    Other
    $37,769
    Hours/week
    40

    Schedule J breakdown matched by us

    Base
    $162,805
    Bonus
    not reported
    Other
    not reported
    Deferred
    $16,638
    Nontaxable benefits
    $21,131
    Filer's total
    $200,574

  • Josephine Grimaudo-Cacciatore

    Financial Manager

    Total calculated
    $148,121
    From this org
    $117,347
    From related orgs
    $0
    Other
    $30,774
    Hours/week
    40

  • Pete Giencke

    Vice Chair

    Total calculated
    $0
    Hours/week
    1

  • Thomas Rayburn

    Chair

    Total calculated
    $0
    Hours/week
    1

  • Aaron Fisk

    Director

    Total calculated
    $0
    Hours/week
    1

  • Leon Carl

    Director

    Total calculated
    $0
    Hours/week
    1

  • Stephanie Gandulla

    Director

    Total calculated
    $0
    Hours/week
    1

  • Annie Atkinson

    Treasurer

    Total calculated
    $0
    Hours/week
    1

  • Mary-Claire Buell

    Director

    Total calculated
    $0
    Hours/week
    1

  • Heather Stirratt

    Director

    Total calculated
    $0
    Hours/week
    1

Compensation is as filed in Part VII: reportable pay from this organization and from related organizations, other compensation, and hours per week. The total, marked calculated, is our sum of the three dollar columns, with a blank column counted as $0; the form itself has no total. On a Form 990-EZ the columns are Part IV's instead, and on a Form 990-PF Part VIII's — compensation, contributions to benefit plans, and expense account — and the total sums those. A Schedule J breakdown is as filed: base pay, bonus, other, deferred compensation and nontaxable benefits from this organization, with any from related organizations beside each, and the filer's own total. It is shown with the Part VII listing of the same name on the same return. The form gives no key between the two, so that pairing is ours, and is marked matched by us. Earlier years are each on their own filing page.

Filings

  • 2024
    Revenue
    $4,877,735
    Expenses
    $4,775,106
    Contributions
    $4,761,011
    Grants paid
    $2,017,608
  • 2023
    Revenue
    $4,203,096
    Expenses
    $4,065,523
    Contributions
    $4,186,597
    Grants paid
    $1,909,441
  • 2022
    Revenue
    $3,508,766
    Expenses
    $3,620,468
    Contributions
    $3,464,245
    Grants paid
    $1,151,938

The four totals the IRS asks for on Part I of the Form 990, as filed. A dash means the figure was not present on the return — not that it was zero.

Other returns filed

  • 2021 · 990

    Revenue
    $4,821,413
    Expenses
    $5,016,033
    Assets (EOY)
    $1,172,768

  • 2020 · 990

    Revenue
    $4,187,688
    Expenses
    $4,051,112
    Assets (EOY)
    $1,160,774

  • 2019 · 990

    Revenue
    $2,186,071
    Expenses
    $2,174,239
    Assets (EOY)
    $397,809

  • 2018 · 990

    Revenue
    $2,126,118
    Expenses
    $2,122,945
    Assets (EOY)
    $438,910

  • 2017 · 990

    Revenue
    $1,643,105
    Expenses
    $1,618,534
    Assets (EOY)
    $364,378

  • 2016 · 990

    Revenue
    $1,528,015
    Expenses
    $1,483,284
    Assets (EOY)
    $403,727

  • 2015 · 990

    Revenue
    $1,551,521
    Expenses
    $1,492,893
    Assets (EOY)
    $396,237

  • 2014 · 990

    Revenue
    $1,293,567
    Expenses
    $1,248,659
    Assets (EOY)
    $308,188

  • 2013 · 990

    Revenue
    $901,036
    Expenses
    $889,404
    Assets (EOY)
    $111,705

  • 2012 · 990

    Revenue
    not reported
    Expenses
    $1,641,603
    Assets (EOY)
    $30,807

Nonprofiteer parses Forms 990, 990-EZ and 990-PF, in a window of recent tax years. These returns are recorded from the IRS e-file index, so their figures were extracted by that index rather than read from the return here — treat them as a different source from the filings above, not as more of the same record. A dash means the index carries no figure; Form 990-T listings carry none at all. Showing the 10 most recent; the API carries the rest.

Grants made

The 10 largest by cash amount. The API serves every itemized grant.

Where these grants went next →

Grants received

No itemized grant names this organization as a recipient. Only grants over $5,000 are itemized, and only by filers of the full Form 990.

Other IRS files

Auto-Revocation List

Not listed. The IRS publishes this list for organizations whose exemption was automatically revoked for failing to file for three consecutive years.

Publication 78

Listed as of 13 October 2026, under deductibility PC.

These are two separate IRS files on two separate schedules, shown as published and not reconciled with each other. Neither is a statement about whether a contribution is deductible today: 19,245 organizations appear in Publication 78 while the IRS's own revocation file lists them as currently revoked, more than half of those revoked before 2019. Absence from Publication 78 is evidence of nothing, and presence is not evidence either. Verify current status with the IRS before relying on it.

What this page reflects

The registration facts above come from the IRS Business Master File published 13 October 2026 and read 26 October 2026, for every organization at once. Returns through tax year 2024, the newest we have parsed for this organization.