Ecological Society of America
The Ecological Society of America (ESA) is a nonpartisan, nonprofit organization of scientists founded in 1915 to: promote ecological science by improving communication among ecologists; raise the public's level of awareness of the importance of ecological science; increase the resources available for the conduct of ecological science; ensure the appropriate use of ecological science in environmental decision making by enhancing communication between the ecological community and policy-makers to promote ecological science by improving communication among ecologists; and to raise the public's awareness of the importance of ecological science.
Ecological Society of America at a glance
- Total assets
- $15,576,593
- +8.5% vs 2024
- Revenue (2025)
- $7,667,079
- +0.6% vs 2024
- Net investment income (2025)
- $1,189,027
- +23.4% vs 2024
- Expenses (2025)
- $6,227,099
- -0.5% vs 2024
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
How to apply to Ecological Society of America
Open Grants
16 open opportunities from Ecological Society of America
Commitment to Human Diversity in Ecology Award
Ecological Society of America
Amount
$700 travel award
Deadline
Deadline not published
Distinguished Lifetime Service Award
Ecological Society of America
Amount
$700 travel award
Deadline
Deadline not published
Distinguished Service Citation
Ecological Society of America
Amount
Varies
Deadline
Deadline not published
Who Ecological Society of America funds
How this funder distributes its grants
Grant Size Distribution
3 grants across all recorded years
The most common grant size was under $50K: 3 grants of 3 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Cities
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2024, annual grant giving ranged from $18K (2019) to $40K (2024). In 2024 it made 3 grants totaling $40K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| The Wildlife Society Nashville, TN | Rise Grant Support Passthrough from NSF | $20,000 |
| Society for Advancement of Chicanos and Native Americans in Science San Francisco, CA | Rise Grant Support Passthrough from NSF | $10,000 |
| Society of Freshwater Sciences Ashland, WI | Rise Grant Support Passthrough from NSF | $10,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $15,576,593 | $7,667,079 | $6,227,099 | — | — | $1,189,027 |
| 2024 | $14,360,311 | $7,618,881 | $6,257,685 | $40,000 | 3 | $963,325 |
| 2023 | $13,443,594 | $7,041,154 | $6,354,098 | — | — | $926,337 |
| 2022 | $10,015,730 | $5,932,686 | $5,201,399 | — | — | $661,502 |
| 2021 | $11,059,527 | $5,932,261 | $4,926,500 | — | — | $486,390 |
| 2020 | $9,112,992 | $5,667,494 | $5,103,371 | — | — | $349,271 |
| 2019 | $8,844,353 | $5,630,460 | $5,374,268 | $17,540 | 1 | $229,335 |
About Ecological Society of America
Based on IRS filings
Ecological Society of America is a public charity focused on Environment & Animals, based in Washington, DC. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $15.6M in total assets. Net investment income was $1.2M.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
Ecological Society of America is led by Catherine O'Riordan, Executive Director on every filing since 2019; 6 of 18 officers listed in 2025 are compensated.
Officers on the 2025 filing
Catherine O'Riordan
Executive Director
On filings since 2019
40 hrs/week
$287K (2019) → $249K (2025)
Stephanie Hampton
President
President Elect → President, 2025
On filings since 2024
2 hrs/week
No compensation reported
Alison Mize
Director of Public Affairs
Director Public Affairs → Director of Public Affairs, 2021
On filings since 2019
40 hrs/week
$116K (2019) → $134K (2025)
Teresa Mourad
Director of Education
Director of Education & Diversity → Director of Education, 2020
On filings since 2019
40 hrs/week
$121K (2019) → $132K (2025)
Thet Oo
Director It
Director of It → Director It, 2023
On filings since 2021
40 hrs/week
$126K (2021) → $140K (2025)
Adrienne Sponberg
Director of Society Programs
Director Society Programs → Director of Society Programs, 2024
On filings since 2022
40 hrs/week
$128K (2022) → $146K (2025)
Richard Wallace
Director Publishing
Editor in Chief → Director of Publishing, 2024
Director of Publishing → Director Publishing, 2025
On filings since 2022
40 hrs/week
$101K (2022) → $148K (2025)
Elizabeth Biggs
CFO
On filings since 2019
40 hrs/week
No compensation reported
Jeannine Cavender-Bares
Vice President for Finance
Vice President Finance → Vice President for Finance, 2025
On filings since 2021
1 hr/week
No compensation reported
Emilio Bruna
Secretary
On filings since 2023
1 hr/week
No compensation reported
Jay Lennon
Board Member
On filings since 2023
1 hr/week
No compensation reported
Kelly Ramirez
Board Member
On filings since 2023
1 hr/week
No compensation reported
Shahid Naeem
Past-President
President Elect → President, 2024
President → Past-President, 2025
On filings since 2023
1 hr/week
No compensation reported
James Rattling Leaf
Board Member
On filings since 2024
1 hr/week
No compensation reported
Alex Moore
Board Member
New on the 2025 filing
1 hr/week
No compensation reported
Angee Doerr
Board Member
New on the 2025 filing
1 hr/week
No compensation reported
Peter Groffman
President-Elect
New on the 2025 filing
1 hr/week
No compensation reported
Yude Pan
Board Member
New on the 2025 filing
1 hr/week
No compensation reported
Former officers (25)
- Former: Diane Pataki (2020–2024) — Board Member
- Former: Carmen Cid (2022–2024) — Board Member
- Former: Jennifer Funk (2022–2024) — Board Member
- Former: Sharon Collinge (2022–2024) — Past President
- Former: Dennis Ojima (2021–2023) — Past President
- Former: Gabor Zsolt Silberer (2023) — Director of Publishing
- Former: Jessica Gurevitch (2019–2022) — Secretary
- Former: Kathleen Weathers (2020–2022) — Past President
- Former: Laura Petes (2021–2022) — Board Member
- Former: Sasha Reed (2021–2022) — Board Member
- Former: Zoe Cardon (2021–2022) — Board Member
- Former: Zsolt Silberer (2021–2022) — Director of Publishing
- Former: Osvaldo Sala (2019–2021) — Past President
- Former: Pam Templer (2019–2021) — Vice President Education
- Former: Jacquelyn Gill (2020–2021) — Member at Large
- Former: Jon Miller (2021) — Director of Membership
- Former: Evan Delucia (2019–2020) — Vice President Finance
- Former: Frank Davis (2019–2020) — Vice President Public Affairs
- Former: Kathleen Treseder (2019–2020) — Member at Large
- Former: Laura Huenneke (2019–2020) — Past President
- Former: Manual Morales (2019–2020) — Member at Large
- Former: Gillian Bowser (2019) — Member at Large
- Former: Jayne Belnap (2019) — Vice President Science
- Former: Richard Pouyat (2019) — Past President
- Former: Steven Sayre (2019) — Director of Publishing
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $249K, to Catherine O'Riordan (Executive Director). 6 officers or directors reported compensation on that filing.
Frequently asked questions about Ecological Society of America
How large is Ecological Society of America?
Ecological Society of America reported $15.6M in total assets on its 2025 IRS Form 990. Its revenue that year was $7.7M.
What is Ecological Society of America?
Ecological Society of America is a public charity focused on Environment & Animals, based in Washington, DC. It holds $15.6M in total assets as of 2025.
Where does Ecological Society of America operate?
Ecological Society of America has awarded grants in California, Louisiana, Tennessee, Wisconsin.
What is Ecological Society of America's EIN?
Ecological Society of America's EIN (Employer Identification Number) is 37-0913411. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990 for fiscal year 2025 (received by the IRS April 29, 2026)
- IRS filings on file for fiscal years 2019–2024
Explore Open Grants
Browse active grant opportunities in Ecological Society of America's focus areas in our free grants database
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