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

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

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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+

Giving History

Grant recipients and amounts by year

No grants recorded for .

Who else does Thorne Ecological Institute fund?

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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

Geographic Focus

Where this funder has awarded grants

Grant Distribution by State

1states

States

Cities

BoulderDenverJamestownLafayetteLongmontLouisville

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

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