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Thorne Ecological Institute

BOULDER, CO EIN: 84-6029250 Website

THORNE'S MISSION IS TO BUILD EARTH STEWARDSHIP BY CONNECTING YOUTH TO NATURE THROUGH JOYFUL, HANDS-ON, PLACE-BASED ENVIRONMENTAL EDUCATION EXPERIENCES.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$8.2M

+12.4% YoY

Annual Giving

$112K

-25.9% YoY

Grant Count

4

-33.3% YoY

Avg Grant Size

$28K

+11.1% YoY

About Thorne Ecological Institute

Based on IRS filings

Thorne Ecological Institute is a nonprofit organization focused on Environment & Animals, based in BOULDER, CO. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $8.2M in total assets. In 2024, it awarded 4 grants totaling $112K. Net investment income was $42K.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

1states

States

Cities

BoulderDenverJamestownLafayetteLongmontLouisville

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$1M$3M$4M$5M20202021202220232024
Metric202420232022
Total Assets$8,241,355$7,329,323$4,978,223
Revenue$3,270,743$4,946,732$3,202,535
Expenses$3,574,915$2,724,855$2,234,422
Qualifying Distributions
Net Investment Income$41,751$57,332$34,101
Distributable Amount

Giving Over Time

Total grant dollars and number of grants per year

$0$62K$124K$185K$247K7 grants20207 grants20216 grants20226 grants20234 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 4 recipients in 2024

CAL-WOOD EDUCATION CENTER$56KCOTTONWOOD INSTITUTE$28KYMCA OF BOULDER VALLEY$15KWILDLANDS RESTORATION VO…$12K

Grant Size Distribution

30 grants across all recorded years

26<$50K3$50–100K1$100–250K$250–500K$500K–1M$1–5M$5M+

Open Grants

5 open opportunities from Thorne Ecological Institute

Show all 5 →

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Cal-wood Education Center ($56,490), Cottonwood Institute ($28,200), Ymca of Boulder Valley ($15,000).

RecipientPurposeAmount
CAL-WOOD EDUCATION CENTER JAMESTOWN, CONATURE'S KIDS$56,490
COTTONWOOD INSTITUTE DENVER, CONATURE'S KIDS$28,200
WILDLANDS RESTORATION VOLUNTEERS LONGMONT, CONATURE'S KIDS$12,458
YMCA OF BOULDER VALLEY LAFAYETTE, CONATURE'S KIDS$15,000

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

KEITH DESROSIERSEXECUTIVE DI$135KLEANN ARENDDEPUTY DIREC$105K

From 2024 filing

NameTitleHoursCompensation
KEITH DESROSIERSEXECUTIVE DI40$135,479
LEANN ARENDDEPUTY DIREC40$104,935
DAVID BRANTZCHAIR2
DAVID KIRKVICE CHAIR2
LAUREN KOOPMANSECRETARY2
MICAH SHAGOURYTREASURER2
JOHN AHRENSBOARD MEMBER1
LUIS ALVAREZBOARD MEMBER1
AMANDA DUMENIGOBOARD MEMBER1
SARAH HAUCKBOARD MEMBER1
SARAH IRIZARRYBOARD MEMBER1
JUANA MENDOZABOARD MEMBER1
ANNIKA PARADISEBOARD MEMBER1
LEIDY PINEDA FLORESBOARD MEMBER1
JOHN RICOTTABOARD MEMBER1
AIDEN SMITHBOARD MEMBER1
MARY KATHRYN WOODBOARD MEMBER1

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What is Thorne Ecological Institute?

Thorne Ecological Institute is a nonprofit organization focused on Environment & Animals, based in BOULDER, CO. It holds $8.2M in total assets as of 2024.

How large is Thorne Ecological Institute?

As of 2024, Thorne Ecological Institute holds $8.2M in total assets with $3.3M in annual revenue. It awarded 4 grants totaling $112K in 2024.

Where does Thorne Ecological Institute operate?

Thorne Ecological Institute has awarded grants in Colorado.

What size grants does Thorne Ecological Institute award?

In 2024, Thorne Ecological Institute awarded 4 grants totaling $112K — an average of about $28K per grant, based on its IRS Form 990 filings.

What is Thorne Ecological Institute's EIN?

Thorne Ecological Institute's EIN (Employer Identification Number) is 84-6029250. IRS Form 990 filing data is available on this page for 2020–2024.

Explore Open Grants

Browse active grant opportunities in Thorne Ecological Institute's focus areas in our free grants database

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Data last updated April 2026. Sourced from IRS Form 990-PF filings.

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