Nonprofit · EIN 84-6029250
THORNE ECOLOGICAL INSTITUTE
Also known as THORNE NATURE EXPERIENCE
Tax-exempt · LAFAYETTE, CO 80026
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| August 31, 2025 | 990 | $2,681,033 | $3,460,225 | -$779,192 | $7,411,716 | $1,489,934 | $5,921,782 |
| August 31, 2024 | 990 | $3,270,743 | $3,574,915 | -$304,172 | $8,241,355 | $1,631,348 | $6,610,007 |
| August 31, 2023 | 990 | $4,946,732 | $2,724,855 | $2,221,877 | $7,329,323 | $559,804 | $6,769,519 |
Financial details: 990 for the year ended August 31, 2025
Revenue
- Contributions, gifts and grants
- $1,280,142
- of which government grants
- $561,636
- Program service revenue
- $1,377,584
- Investment income
- $23,597
- Net income from fundraising events
- $436
- Other revenue
- -$290
Expenses
- Grants and similar amounts paid
- $149,771
- Compensation of officers, directors and key employees
- $247,382
- Other salaries and wages
- $1,721,927
- Salaries, compensation and benefits (total)
- $2,347,623
- Professional fundraising fees
- $0
- Accounting fees
- $72,313
- Occupancy
- $122,591
- Travel
- $49,894
- Depreciation
- $205,097
- Program services (functional)
- $2,580,829
- Management and general (functional)
- $532,383
- Fundraising (functional)
- $347,013
Balance sheet and other
- Total assets, start of year
- $8,241,355
- Total assets, end of year
- $7,411,716
- Total liabilities, end of year
- $1,489,934
- Net assets, end of year
- $5,921,782
- Land, buildings and equipment
- $5,846,494
- Net assets without donor restrictions
- $4,736,076
- Net assets with donor restrictions
- $1,185,706
- Gross receipts
- $2,710,329
- Employees
- 82
- Volunteers
- 207
- Year formed
- 1954
- State of legal domicile
- CO
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 August 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| KEITH DESROSIERS | EXECUTIVE DI Officer | 40 | $175,294 | $17,988 |
| LEANN AREND | DEPUTY DIREC Highest-paid employee | 40 | $115,373 | $0 |
| BRIAN SENSE | EXECUTIVE DI Officer | 40 | $0 | $0 |
| JOHN RICOTTA | CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| SARAH HAUCK | VICE CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| AIDAN SMITH | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| SARAH IRIZARRY | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| JOHN AHRENS | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| LUIS ALVAREZ | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| DAVID KIRK | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| SARI LONG | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| JUANA MENDOZA | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| ANNIKA PARADISE | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| LEIDY PINEDA FLORES | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| TAMMY SANDOVAL | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
3 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JAY SCHULTZ | BOARD MEMBER Trustee or director | 1 | $0 |
| MICAH SHAGOURY | BOARD MEMBER Trustee or director | 1 | $0 |
| MARY KATHRYN WOOD | BOARD MEMBER Trustee or director | 1 | $0 |
990 for the year ended August 31, 2024: 17 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| KEITH DESROSIERS | EXECUTIVE DI Officer | 40 | $135,479 | $18,552 |
| LEANN AREND | DEPUTY DIREC Highest-paid employee | 40 | $104,935 | $15,193 |
| DAVID BRANTZ | CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| DAVID KIRK | VICE CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| LAUREN KOOPMAN | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| MICAH SHAGOURY | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| JOHN AHRENS | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| LUIS ALVAREZ | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| AMANDA DUMENIGO | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| SARAH HAUCK | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| SARAH IRIZARRY | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| JUANA MENDOZA | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| ANNIKA PARADISE | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| LEIDY PINEDA FLORES | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| JOHN RICOTTA | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| AIDEN SMITH | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| MARY KATHRYN WOOD | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
990 for the year ended August 31, 2023: 20 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| KEITH DESROSIERS | EXECUTIVE DI Officer | 40 | $119,986 | $15,205 |
| DAVID KIRK | CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| ANNIKA PARADISE | VICE CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| DAVID BRANTZ | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| MICAH SHAGOURY | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| JOHN AHRENS | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| LUIS ALVAREZ | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| CHRISTINE BERG | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| AMANDA DUMENIGO | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| SARAH HAUCK | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| PABLO HESTER | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| SARAH IRIZARRY | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| LAUREN KOOPMAN | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| ANNE-WORLEY MOELTER | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| SOPHIE RAMUS | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| AIDEN SMITH | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| JACQUIE MCKENNA | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| NIKI KOUBOURLIS | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| CHRISTIAN VARGAS | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| JOSE VIEITEZ | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 300 OLD LARAMIE TRL, LAFAYETTE, CO 80026-7155
- In care of
- % JILL FRICKER
- Principal officer (990 for 2024)
- JILL FRICKER, 300 OLD LARAMIE TRAIL, LAFAYETTE, CO 80026
- Signed the 990
- JAY SCHULTZ, TREASURER
- Phone
- (303) 499-3647
- Website
- WWW.THORNENATURE.ORG
- Return prepared by
- TAYLOR ROTH AND COMPANY
Mission
THORNE'S MISSION IS TO BUILD EARTH STEWARDSHIP BY CONNECTING YOUTH TO NATURE THROUGH JOYFUL, HANDS-ON, PLACE-BASED ENVIRONMENTAL EDUCATION EXPERIENCES.
Program accomplishments
- CORE PROGRAMS: THORNE ACCOMPLISHES ITS MISSION THROUGH NATURE-BASED EDUCATION PROGRAMS THAT PRIMARILY SERVE BOULDER COUNTY YOUTH AND FAMILIES. PROGRAMS ARE DESIGNED TO BUILD EARTH STEWARDSHIP BY CONNECTING CHILDREN AND YOUTH TO NATURE THROUGH JOYFUL, HANDS-ON, PLACE-BASED ENVIRONMENTAL EDUCATION EXPERIENCES. SCHOOL AND COMMUNITY PROGRAMS: THORNE PROVIDES FIELD TRIPS, FIELD DAYS, IN-SCHOOL LESSONS, AND AFTER-SCHOOL PROGRAMS THAT SUPPORT ACADEMIC LEARNING AND BUILD NATURE CONNECTION THROUGH DIRECT EXPERIENCE WITH LOCAL ECOSYSTEMS. FY25 SCFD ATTENDANCE SUPPORT DOCUMENTED QUALIFYING TOUR GROUP/PROGRAM ATTENDANCE FOR FIELD TRIP, FIELD DAY, IN-SCHOOL, AND AFTER- SCHOOL ACTIVITIES. ------ SEE SCHEDULE O FOR MORE DETAILS ------Expenses $2,580,829 · grants $149,771 · revenue $1,377,584
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 August, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | August 31, 2026 | January 15, 2027 | Not due yet |
| 2024 | August 31, 2025 | January 15, 2026 | 990 on file |
| 2023 | August 31, 2024 | January 15, 2025 | 990 on file |
IRS record
- EIN
- 84-6029250
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1957
- Accounting year ends
- August
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Environment (C60Z)
- Assets (IRS master file)
- $7,411,716
- Income (IRS master file)
- $2,710,329
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | August 2025 | $2,681,033 | $3,460,225 | $7,411,716 | XML |
| 990 | August 2024 | $3,270,743 | $3,574,915 | $8,241,355 | XML |
| 990 | August 2023 | $4,946,732 | $2,724,855 | $7,329,323 | XML |
| 990 | August 2022 | $3,202,535 | $2,234,422 | $4,978,223 | IRS |
| 990 | August 2021 | – | – | – | IRS |
| 990 | August 2020 | – | – | – | IRS |
| 990 | December 2019 | – | – | – | IRS |
| 990 | December 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 84-6029250).
Questions about THORNE ECOLOGICAL INSTITUTE
- What is the EIN of THORNE ECOLOGICAL INSTITUTE?
- The employer identification number (EIN) of THORNE ECOLOGICAL INSTITUTE is 84-6029250.
- Is THORNE ECOLOGICAL INSTITUTE tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1957.
- Are donations to THORNE ECOLOGICAL INSTITUTE tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does THORNE ECOLOGICAL INSTITUTE 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 THORNE ECOLOGICAL INSTITUTE due?
- The return for tax year 2025 (the year ending August 31, 2026) is due January 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did THORNE ECOLOGICAL INSTITUTE last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended August 2025.
- Who is the principal officer of THORNE ECOLOGICAL INSTITUTE?
- The 990 for the year ended August 31, 2025 names JILL FRICKER.
- Who are the officers and directors of THORNE ECOLOGICAL INSTITUTE?
- The 990 for the year ended August 31, 2025 lists 18 people; 2 received compensation from the organization, the highest $175,294 (KEITH DESROSIERS, EXECUTIVE DI).
- How much revenue does THORNE ECOLOGICAL INSTITUTE have?
- On its 990 for the year ended August 31, 2025 it reported revenue of $2,681,033, expenses of $3,460,225 and total assets of $7,411,716 at year end.
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