Civic Intelligence

Great Lakes Stewardship Initiative

EIN 82-3689165 • 501(c)3 • Lowell, MI

Profile

GLSI is a network of regional service hubs that develop knowledgeable and active stewards of the Great Lakes region through place-based education and explorations in local communities. GLSIs model for teaching and learning results in vibrant, hands-on experiences that increase student achievement.

10925 Foreman StreetLowell, MI 49331

n/A

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

80th percentile

0.12x

Higher debt load relative to assets than 80% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2022

Liabilities / Revenue

81st percentile

0.08x

Higher debt load relative to revenue than 81% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2022

Net Margin

14th percentile

-49%

Higher net margin than 14% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2022

Top Officer Pay

Score unavailable

No value available

No filing with officer rows is available for this organization yet.

Asset Growth

21st percentile

-38%

Faster asset growth than 21% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2021 to 2022

Revenue Growth

48th percentile

-2.4%

Faster revenue growth than 48% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2021 to 2022

Balance Sheet
Liabilities / Assets80th percentile

Assets

Up

$352,200

Up $71,165 (+25%) from 2024

Liabilities

Up

$11,397

Up $677 (+6.3%) from 2024

Net Assets

Up

$340,803

Up $70,488 (+26%) from 2024

Operations
Liabilities / Revenue81st percentileNet Margin14th percentile

Revenue

Down

$585,415

Down $15,838 (-2.6%) from 2024

Expenses

Down

$510,850

Down $2,958 (-0.6%) from 2024

Net Income

Down

$74,565

Down $12,880 (-15%) from 2024

Trend Graphs

Balance Sheet Trend

Asset Growth21st percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

$600K$400K$200K$0Assets 2018: $175,341Liabilities 2018: $33,623Net Assets 2018: $141,7182018Assets 2019: $331,900Liabilities 2019: $66,220Net Assets 2019: $265,6802019Assets 2020: $418,636Liabilities 2020: $7,157Net Assets 2020: $411,4792020Assets 2021: $458,892Liabilities 2021: $6,679Net Assets 2021: $452,2132021Assets 2022: $283,515Liabilities 2022: $35,053Net Assets 2022: $248,4622022Assets 2023: $198,301Liabilities 2023: $16,284Net Assets 2023: $182,0172023Assets 2024: $281,035Liabilities 2024: $10,720Net Assets 2024: $270,3152024Assets 2025: $352,200Liabilities 2025: $11,397Net Assets 2025: $340,8032025

Highlighted filing

2025

Assets$352,200
Liabilities$11,397
Net Assets$340,803
Open 2025 Filing

Operations Trend

Revenue Growth48th percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

$1.0M$500K$0-$500KRevenue 2018: $324,301Expenses 2018: $182,583Net Income 2018: $141,7182018Revenue 2019: $507,666Expenses 2019: $383,704Net Income 2019: $123,9622019Revenue 2020: $391,314Expenses 2020: $245,515Net Income 2020: $145,7992020Revenue 2021: $426,673Expenses 2021: $385,939Net Income 2021: $40,7342021Revenue 2022: $416,496Expenses 2022: $620,247Net Income 2022: -$203,7512022Revenue 2023: $445,167Expenses 2023: $512,537Net Income 2023: -$67,3702023Revenue 2024: $601,253Expenses 2024: $513,808Net Income 2024: $87,4452024Revenue 2025: $585,415Expenses 2025: $510,850Net Income 2025: $74,5652025

Highlighted filing

2025

Revenue$585,415
Expenses$510,850
Net Income$74,565
Open 2025 Filing

Filings

Most recent year

2025 • Form 990Detailed filing. Detailed filing data is available for this year.

Open filing
Assets
$352,200
Liabilities
$11,397
Net assets
$340,803
Revenue
$585,415
Expenses
$510,850
Net income
$74,565
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$3.52$0.11$3.41$5.85$5.11$0.75
2024Detailed filing. Detailed filing data is available for this year.$2.81$0.11$2.70$6.01$5.14$0.87
2023Detailed filing. Detailed filing data is available for this year.$1.98$0.16$1.82$4.45$5.13$0.67
2022Detailed filing. Detailed filing data is available for this year.$2.84$0.35$2.48$4.16$6.20$2.04
2021Detailed filing. Detailed filing data is available for this year.$4.59$0.07$4.52$4.27$3.86$0.41
2020Detailed filing. Detailed filing data is available for this year.$4.19$0.07$4.11$3.91$2.46$1.46
2019Detailed filing. Detailed filing data is available for this year.$3.32$0.66$2.66$5.08$3.84$1.24
2018Summary only. Only limited summary data is available for this year.$1.75$0.34$1.42$3.24$1.83$1.42
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Sep 1, 2024 to Aug 31, 2025
Signed
Nov 7, 2025
Return Version
2024v5.2
Gross Receipts
$585,415
Mission and Program Overview

Mission

Develop knowledgeable and active stewards of the Great Lakes and their ecosystems through place-based studies and explorations in local communities.

GLSI is a network of regional service hubs that develop knowledgeable and active stewards of the Great Lakes region through place-based education and explorations in local communities.

Balance Sheet Detail
LineBeginningEndChange
Assets
Cash and Non-Interest-Bearing Accounts$220,801$291,123▲ $70,322
Accounts Receivable$37,701$42,660▲ $4,959
Prepaid Expenses and Deferred Charges$3,853$11,810▲ $7,957
Total Assets$276,040$352,200▲ $76,160
Other Assets Total$13,685$6,607▼ $7,078
Liabilities
Accounts Payable and Accrued Expenses$8,047$7,492▼ $555
Other Liabilities$1,755$3,905▲ $2,150
Total Liabilities$9,802$11,397▲ $1,595
Net Assets / Fund Balance
Net Assets Without Donor Restrictions$266,238$340,803▲ $74,565
Total Net Assets Fund Balance$266,238$340,803▲ $74,565
Total Liabilities and Net Assets / Fund Balance$276,040$352,200▲ $76,160
Compensation and Service Providers
Top Officer PayScore unavailable

Employees

NameTitleFull / Part TimeBaseTotal
Caleb CarltonExecutive DirectorFT$90,000$90,000

Board Members and Trustees

NameTitle
Ethan LowensteinPresident
Clayton PelonPresident to Trustee
Gregory SmithVice President
Anna BalzerTrustee
Ellen BrodyTrustee
Julia PutnamTrustee
Lloyd WescoatTrustee
Stephanie ChangTrustee
Suzanne KnightTrustee
Todd AmbsTrustee
Brandon SchroederSecretary
Erica JohnsonTreasurer
Revenue and Support

Revenue Composition

Contributions and Grants
$246,734
Program Service Revenue
$185,579
Investment Income
$29
Other Revenue
$153,073
All Other Contributions
$158,275
Change in Net Assets
$74,565
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Salaries, Compensation, and Employee Benefits$298,467
Other Expenses$133,696
Grants and Similar Amounts Paid$63,687
Total Fundraising Expense$24,760
Professional Fundraising Fees$15,000

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Other Salaries and Wages$167,916$18,670$0$186,586
Fees for Services Other$81,424$18,972$8,491$108,887
Current Officers, Directors, Trustees, and Key Employees$72,104$17,896$0$90,000
Grants to Domestic Orgs$57,887--$57,887
Payroll Taxes$18,865$3,016$0$21,881
Fees for Services Professional Fundraising--$15,000$15,000
Fees for Services Accounting$0$7,390$0$7,390
Information Technology$1,483$3,951$1,200$6,634
Grants to Domestic Individuals$5,800--$5,800
Other Expenses$3,151$3$2$3,156
Travel$1,085$527$67$1,679
Conferences and Meetings$831$811$0$1,642
Insurance$0$878$0$878
Office Expenses$37$345$0$382
Advertising$217$0$0$217
Total Functional Expenses$411,846$74,244$24,760$510,850
International Activity

Grant and Assistance Recipients

RecipientLocationCategoryPurposeAmount
Eastern Michigan UniversityYpsilanti, MI-Support for GLSI Hub programs and operations$26,700
Community Foundation of NE MIAlpena, MI-Support for GLSI Hub programs and operations$7,846
Fundraising, Events, and Gaming
Fundraising activities
No
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Professional Fundraising Fees$15,000
Political and Lobbying Activity
Political campaign activity
No
Lobbying activity
No
Subject to proxy tax
No
Debt and Bond Financing

Other Reported Liabilities

LiabilityAmount
Other Payroll Liabilities$3,905
Credit Cards$0
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Annual disclosure for covered persons
Yes
Backup withholding compliance
Yes
Business relationship with 35% controlled entity
No
Business relationship with family members
No
Business relationship with organization members
No
Material changes to governing documents
No
Compensation from other sources disclosed
No
CEO compensation reviewed
Yes
Other officer compensation reviewed
No
Conflict-of-interest policy
Yes
Audited financial statements prepared
No
Key decisions subject to board approval
No
Management duties delegated
No
Filing and Contact Details

Filer

Filer Name
Great Lakes Stewardship Initiative
EIN
82-3689165
Phone
6162098623
Address
10925 FOREMAN STREET, LOWELL, MI 49331

Signing Officer

Name
Caleb Carlton
Title
Executive Director
Phone
6162098623
Signed
2025-11-07
Discuss with paid preparer
Yes

Organization Details

Principal Officer
Caleb Carlton
Formed
2018
Legal Domicile
Mi
Voting Board Members
11
Independent Board Members
11
Employees
5
Volunteers
10

Preparer

Firm
Albert Hall Business Services
Address
3701 CONNECTICUT AVENUE NW STE 2, WASHINGTON, DC 20008
Preparer
James William Guzel
Phone
2023873223
Supplemental Narrative

Additional Explanations

Pt VI, Line 11B

“990 draft reviewed by board prior to submission”

Pt VI, Line 15A

“COMPARIBILITY DATA”

Form 990, Part III, Line 4D

“The GLSI coordinated a network of six hubs, providing 9629. 0. 17500.”

Form 990, Part IX, Line 11G

“Contractors 108887. 81424. 18972. 8491.”

Raw XML AppendixShowing 400 of 497 raw XML fields

This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

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IRS990/Form990PartVIISectionAGrp/TitleTxt1President
IRS990/Form990PartVIISectionAGrp/TitleTxt2Vice President
IRS990/Form990PartVIISectionAGrp/TitleTxt3Secretary
IRS990/Form990PartVIISectionAGrp/TitleTxt4Treasurer
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IRS990/OtherExpensesGrp/ProgramServicesAmt2210
IRS990/OtherExpensesGrp/ProgramServicesAmt33151
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IRS990/OtherExpensesGrp/TotalAmt21975
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IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt1103008
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IRS990/ProgSrvcAccomActy2Grp/Desc0GLSI continued to develop and deploy a platform for movement-building and related infrastructure through which educators, community-based organizations, and supporters of place-based education from pre-K through college can network, support one another, and coordinate efforts to lift the visability of place-based learning and spread the practice.
IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt086209
IRS990/ProgSrvcAccomActy2Grp/GrantAmt00
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IRS990/ProgSrvcAccomActy3Grp/Desc0GLSI provides programmatic services and technical assistance to schools, school districts, community organizations, and other partners via its central organization and its network of six regional hubs. In 2024-25, GLSI provided educators with professional development, implementation support, and technical assistance in place-based teaching and learning. GLSI also continued development and delivery of virtual programs of professional development and project support using GLSIs model of Place-Based Stewardship Education and the associated Place-Based Education Institute. In this fiscal year, the GLSI began to scale its programs and services to teachers and community partners throughout Michigan and in the broader Great Lakes region. Hubs similarly supported educators in their regions with professional development and implementation support, using a predominantly face-to-face model.
IRS990/ProgSrvcAccomActy3Grp/ExpenseAmt0300020
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IRS990/ProgSrvcAccomActyOtherGrp/Desc0The GLSI coordinated a network of six hubs, providing opportunities for hub representatives to access peer-to-peer learning, growth, and exchange of ideas and information related to supporting place-based education in Michigan communities.
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IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt0426217
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IRS990ScheduleI/RecipientTable/PurposeOfGrantTxt0Support for GLSI Hub programs and operations
IRS990ScheduleI/RecipientTable/PurposeOfGrantTxt1Support for GLSI Hub programs and operations
IRS990ScheduleI/RecipientTable/RecipientBusinessName/BusinessNameLine1Txt0Eastern Michigan University
IRS990ScheduleI/RecipientTable/RecipientBusinessName/BusinessNameLine1Txt1Community Foundation of NE MI
IRS990ScheduleI/RecipientTable/RecipientEIN0382953297
IRS990ScheduleI/RecipientTable/RecipientEIN1237384822
IRS990ScheduleI/RecipientTable/USAddress/AddressLine1Txt0200 Boone Hall
IRS990ScheduleI/RecipientTable/USAddress/AddressLine1Txt1100 N Ripley St Ste F
IRS990ScheduleI/RecipientTable/USAddress/CityNm0YPSILANTI
IRS990ScheduleI/RecipientTable/USAddress/CityNm1Alpena
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IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0990 DRAFT REVIEWED BY BOARD PRIOR TO SUBMISSION

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