Nonprofit · EIN 37-0913411
ECOLOGICAL SOCIETY OF AMERICA INC
Also known as DUNCAN PATTEN CTR FOR ENVRNMNTL STD
Tax-exempt · WASHINGTON, DC 20005
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $7,667,079 | $6,227,099 | $1,439,980 | $15,576,593 | $3,112,714 | $12,463,879 |
| June 30, 2024 | 990 | $7,618,881 | $6,257,685 | $1,361,196 | $14,360,311 | $3,634,725 | $10,725,586 |
| June 30, 2023 | 990 | $7,041,154 | $6,354,098 | $687,056 | $13,443,594 | $4,339,913 | $9,103,681 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $1,610,565
- of which government grants
- $969,652
- Program service revenue
- $2,151,118
- Investment income
- $1,189,027
- Royalties
- $2,715,322
- Net gain from sales of assets
- $880,062
- Other revenue
- $2,716,369
Expenses
- Grants and similar amounts paid
- $19,096
- Compensation of officers, directors and key employees
- $446,609
- Other salaries and wages
- $2,239,326
- Salaries, compensation and benefits (total)
- $3,337,627
- Professional fundraising fees
- $0
- Legal fees
- $4,778
- Accounting fees
- $67,444
- Occupancy
- $328,456
- Travel
- $412,888
- Depreciation
- $1,478
- Program services (functional)
- $3,824,141
- Management and general (functional)
- $2,402,958
Balance sheet and other
- Total assets, start of year
- $14,360,311
- Total assets, end of year
- $15,576,593
- Total liabilities, end of year
- $3,112,714
- Net assets, end of year
- $12,463,879
- Land, buildings and equipment
- $5,295
- Publicly traded securities
- $11,110,508
- Net assets without donor restrictions
- $9,741,629
- Net assets with donor restrictions
- $2,722,250
- Gross unrelated business income
- $45,893
- Gross receipts
- $8,583,827
- Employees
- 32
- Volunteers
- 120
- Year formed
- 1927
- State of legal domicile
- WI
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 June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| CATHERINE O'RIORDAN | EXECUTIVE DIRECTOR Officer | 40 | $249,081 | $28,947 |
| RICHARD WALLACE | DIRECTOR PUBLISHING Highest-paid employee | 40 | $147,548 | $38,339 |
| ADRIENNE SPONBERG | DIRECTOR OF SOCIETY PROGRAMS Highest-paid employee | 40 | $146,301 | $30,791 |
| TERESA MOURAD | DIRECTOR OF EDUCATION Highest-paid employee | 40 | $131,978 | $36,032 |
| ALISON MIZE | DIRECTOR OF PUBLIC AFFAIRS Highest-paid employee | 40 | $134,328 | $32,021 |
| THET OO | DIRECTOR IT Highest-paid employee | 40 | $139,680 | $24,328 |
| STEPHANIE HAMPTON | PRESIDENT Trustee or director, Officer | 2 | $0 | $0 |
| PETER GROFFMAN | PRESIDENT-ELECT Trustee or director, Officer | 1 | $0 | $0 |
| SHAHID NAEEM | PAST-PRESIDENT Trustee or director, Officer | 1 | $0 | $0 |
| JEANNINE CAVENDER-BARES | VICE PRESIDENT FOR FINANCE Trustee or director, Officer | 1 | $0 | $0 |
| EMILIO BRUNA | SECRETARY Trustee or director, Officer | 1 | $0 | $0 |
| ALEX MOORE | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| ANGEE DOERR | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| JAY LENNON | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| KELLY RAMIREZ | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
3 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JAMES RATTLING LEAF | BOARD MEMBER Trustee or director | 1 | $0 |
| YUDE PAN | BOARD MEMBER Trustee or director | 1 | $0 |
| ELIZABETH BIGGS | CFO (SEE SCHED L) Officer | 40 | $0 |
990 for the year ended June 30, 2024: 18 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| CATHERINE O'RIORDAN | EXECUTIVE DIRECTOR Officer | 40 | $321,790 | $36,192 |
| RICHARD WALLACE | DIRECTOR OF PUBLISHING Highest-paid employee | 40 | $129,893 | $43,576 |
| TERESA MOURAD | DIRECTOR OF EDUCATION Highest-paid employee | 40 | $127,403 | $39,807 |
| ADRIENNE SPONBERG | DIRECTOR OF SOCIETY PROGRAMS Highest-paid employee | 40 | $132,826 | $31,587 |
| ALISON MIZE | DIRECTOR OF PUBLIC AFFAIRS Highest-paid employee | 40 | $131,338 | $31,266 |
| THET OO | DIRECTOR IT Highest-paid employee | 40 | $136,224 | $26,222 |
| SHAHID NAEEM | PRESIDENT Trustee or director, Officer | 2 | $0 | $0 |
| STEPHANIE HAMPTON | PRESIDENT ELECT Trustee or director, Officer | 1 | $0 | $0 |
| SHARON COLLINGE | PAST PRESIDENT Trustee or director, Officer | 1 | $0 | $0 |
| JEANNINE CAVENDER-BARES | VP FINANCE Trustee or director, Officer | 1 | $0 | $0 |
| EMILIO BRUNA | SECRETARY Trustee or director, Officer | 1 | $0 | $0 |
| DIANE PATAKI | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| CARMEN CID | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| JENNIFER FUNK | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| JAY LENNON | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| KELLY RAMIREZ | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| JAMES RATTLING LEAF | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| ELIZABETH BIGGS | CFO (SEE SCHED L) Officer | 40 | $0 | $0 |
990 for the year ended June 30, 2023: 17 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| CATHERINE O'RIORDAN | EXECUTIVE DIRECTOR Officer | 40 | $311,069 | $32,942 |
| ALISON MIZE | DIRECTOR OF PUBLIC AFFAIRS Highest-paid employee | 40 | $128,668 | $28,703 |
| THET OO | DIRECTOR IT Highest-paid employee | 40 | $133,024 | $24,234 |
| ADRIENNE SPONBERG | DIRECTOR SOCIETY PROGRAMS Highest-paid employee | 40 | $128,499 | $26,374 |
| TERESA MOURAD | DIRECTOR OF EDUCATION Highest-paid employee | 40 | $122,082 | $31,898 |
| GABOR ZSOLT SILBERER | DIRECTOR OF PUBLISHING Highest-paid employee | 40 | $125,002 | $25,272 |
| ELIZABETH BIGGS | CFO (SEE SCHED L) Officer | 40 | $0 | $0 |
| SHARON COLLINGE | PRESIDENT Trustee or director, Officer | 2 | $0 | $0 |
| SHAHID NAEEM | PRESIDENT ELECT Trustee or director, Officer | 1 | $0 | $0 |
| DENNIS OJIMA | PAST PRESIDENT Trustee or director, Officer | 1 | $0 | $0 |
| JEANNINE CAVENDER-BARES | VP FINANCE Trustee or director, Officer | 1 | $0 | $0 |
| EMILIO BRUNA | SECRETARY Trustee or director, Officer | 1 | $0 | $0 |
| DIANE PATAKI | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| CARMEN CID | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| JENNIFER FUNK | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| JAY LENNON | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| KELLY RAMIREZ | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 1200 NEW YORK AVE NW STE 800, WASHINGTON, DC 20005-6142
- In care of
- % ADRIENNE SPONBERG
- Principal officer (990 for 2024)
- ADRIENNE SPONBERG, 1200 NEW YORK AVE NW 800, WASHINGTON, DC 20005
- Signed the 990
- ADRIENNE SPONBERG, EXECUTIVE DIRECTOR
- Phone
- (202) 833-8773
- Website
- WWW.ESA.ORG
- Return prepared by
- GELMAN ROSENBERG & FREEDMAN
Mission
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.
Program accomplishments
- THE SOCIETY HOLDS AN ANNUAL MEETING EACH YEAR ATTENDED BY 2,500 TO 3,500 SCIENTISTS WHO PRESENT THE RESULTS OF THEIR SCIENTIFIC RESEARCH.Expenses $1,329,156 · revenue $1,441,806
- ESA PUBLISHES A SUITE OF PUBLICATIONS FROM PEER REVIEWED JOURNALS TO NEWSLETTERS, FACT SHEETS AND TEACHING RESOURCES.Expenses $1,222,557 · revenue $2,715,322
- SA'S OFFICE OF SCIENCE PROGRAMS, INCLUDING EDUCATION AND DIVERSITY PROGRAMS WORKS TO EXPAND PARTICIPATION IN ECOLOGY , AND TO IMPROVE THE QUALITY OF EDUCATION AT ALL LEVELS. ESA OFFERS A VARIETY OF PROGRAMS AND SERVICES INCLUDING SEEDS, THE ECOED DIGITAL LIBRARY OF TEACHING RESOURCES, THE FOUR-DIMENSIONAL ECOLOGY EDUCATION INITIATIVE, AND THE ESA EXCELLENCE FOR ECOLOGY SCHOLARSHIPS.Expenses $855,047
- PUBLIC AFFAIRSExpenses $343,203 · grants $19,096
- CHAPTERS AND SECTIONSExpenses $74,178 · revenue $709,372
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 June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 37-0913411
- 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
- 1978
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Environment (C030)
- Assets (IRS master file)
- $15,576,593
- Income (IRS master file)
- $8,583,827
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $7,667,079 | $6,227,099 | $15,576,593 | IRS |
| 990-T | June 2025 | – | – | – | IRS |
| 990 | June 2024 | $7,618,881 | $6,257,685 | $14,360,311 | XML |
| 990-T | June 2024 | – | – | – | IRS |
| 990 | June 2023 | $7,041,154 | $6,354,098 | $13,443,594 | XML |
| 990-T | June 2023 | – | – | – | IRS |
| 990 | June 2022 | $5,932,686 | $5,201,399 | $10,015,730 | IRS |
| 990-T | June 2022 | – | – | – | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990-T | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | IRS |
| 990 | June 2019 | – | – | – | IRS |
| 990 | June 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 37-0913411).
Questions about ECOLOGICAL SOCIETY OF AMERICA INC
- What is the EIN of ECOLOGICAL SOCIETY OF AMERICA INC?
- The employer identification number (EIN) of ECOLOGICAL SOCIETY OF AMERICA INC is 37-0913411.
- Is ECOLOGICAL SOCIETY OF AMERICA INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1978.
- Are donations to ECOLOGICAL SOCIETY OF AMERICA INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does ECOLOGICAL SOCIETY OF AMERICA INC 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 ECOLOGICAL SOCIETY OF AMERICA INC due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did ECOLOGICAL SOCIETY OF AMERICA INC last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of ECOLOGICAL SOCIETY OF AMERICA INC?
- The 990 for the year ended June 30, 2025 names ADRIENNE SPONBERG.
- Who are the officers and directors of ECOLOGICAL SOCIETY OF AMERICA INC?
- The 990 for the year ended June 30, 2025 lists 18 people; 6 received compensation from the organization, the highest $249,081 (CATHERINE O'RIORDAN, EXECUTIVE DIRECTOR).
- How much revenue does ECOLOGICAL SOCIETY OF AMERICA INC have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $7,667,079, expenses of $6,227,099 and total assets of $15,576,593 at year end.
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