Nonprofit · EIN 33-0147824
SOCIETY FOR CONSERVATION BIOLOGY
Tax-exempt · WASHINGTON, DC 20005
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $4,182,998 | $3,676,090 | $506,908 | $4,067,773 | $410,848 | $3,656,925 |
| December 31, 2024 | 990 | $3,779,100 | $3,565,447 | $213,653 | $3,689,391 | $902,582 | $2,786,809 |
| December 31, 2023 | 990 | $3,843,970 | $3,603,657 | $240,313 | $3,346,962 | $968,204 | $2,378,758 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $2,281,547
- of which government grants
- $58,318
- Program service revenue
- $1,537,234
- Investment income
- $228,529
- Net rental income
- $99,672
- Net gain from sales of assets
- $135,932
- Other revenue
- $135,688
Expenses
- Grants and similar amounts paid
- $1,361,743
- Compensation of officers, directors and key employees
- $215,840
- Other salaries and wages
- $650,970
- Salaries, compensation and benefits (total)
- $1,103,246
- Professional fundraising fees
- $0
- Legal fees
- $900
- Accounting fees
- $49,919
- Occupancy
- $153,969
- Travel
- $165,628
- Depreciation
- $1,513
- Program services (functional)
- $2,991,230
- Management and general (functional)
- $684,860
Balance sheet and other
- Total assets, start of year
- $3,689,391
- Total assets, end of year
- $4,067,773
- Total liabilities, end of year
- $410,848
- Net assets, end of year
- $3,656,925
- Land, buildings and equipment
- $435
- Publicly traded securities
- $2,014,859
- Net assets without donor restrictions
- $3,656,925
- Gross unrelated business income
- $2,451
- Gross receipts
- $4,475,648
- Employees
- 10
- Volunteers
- 11
- Year formed
- 1987
- State of legal domicile
- CA
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 December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| WARREN SANDER | MANAGING DIRECTOR Officer | 40 | $193,274 | $22,566 |
| NICOLE CRANE | SMITH FELLOWS PROGRAM DIRECTOR Highest-paid employee | 40 | $158,101 | $5,033 |
| NATHAN SPILLMAN | DEPUTY DIRECTOR Highest-paid employee | 40 | $122,520 | $7,427 |
| VANESSA ADAMS | PRESIDENT (THRU 6/30/25) Trustee or director, Officer | 1 | $0 | $0 |
| MWEZI MUGERWA | PRESIDENT (START 7/1/25) Trustee or director, Officer | 1 | $0 | $0 |
| MATTHEW SELINSKE | PRESIDENT ELECT Trustee or director, Officer | 1 | $0 | $0 |
| JENNIFER THORNHILL | TREASURER Trustee or director, Officer | 1 | $0 | $0 |
| JANE VINESKY | SECRETARY Trustee or director, Officer | 1 | $0 | $0 |
| ROBYN JAMES | DEIJ OFFICER Trustee or director, Officer | 1 | $0 | $0 |
| KOUSTUBH SHARMA | DIRECTOR (THRU 6/30/25) Trustee or director | 1 | $0 | $0 |
| SHAILI JOHRI | DIRECTOR Trustee or director | 1 | $0 | $0 |
| JOHN CIGLIANO | DIRECTOR Trustee or director | 1 | $0 | $0 |
| COURTNEY MELTON | DIRECTOR Trustee or director | 1 | $0 | $0 |
| KARLA PELZ SERRANO | DIRECTOR Trustee or director | 1 | $0 | $0 |
| ANDERSON TATE | DIRECTOR (START 7/1/25) Trustee or director | 1 | $0 | $0 |
990 for the year ended December 31, 2024: 14 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| WARREN SANDER | MANAGING DIRECTOR Officer | 40 | $175,760 | $20,155 |
| NICOLE CRANE | SMITH FELLOWS PROGRAM DIRECTOR Highest-paid employee | 40 | $152,020 | $5,439 |
| NATHAN SPILLMAN | DEPUTY DIRECTOR Highest-paid employee | 40 | $113,000 | $6,642 |
| VANESSA ADAMS | PRESIDENT Trustee or director, Officer | 1 | $0 | $0 |
| MWEZI MUGERWA | PRESIDENT ELECT Trustee or director, Officer | 1 | $0 | $0 |
| JENNIFER THORNHILL | TREASURER Trustee or director, Officer | 1 | $0 | $0 |
| JANE VINESKY | SECRETARY Trustee or director, Officer | 1 | $0 | $0 |
| ROBYN JAMES | DEIJ OFFICER Trustee or director, Officer | 1 | $0 | $0 |
| SHAILI JOHRI | DIRECTOR Trustee or director | 1 | $0 | $0 |
| JOHN CIGLIANO | DIRECTOR Trustee or director | 1 | $0 | $0 |
| KOUSTUBH SHARMA | DIRECTOR Trustee or director | 1 | $0 | $0 |
| KARLA PELZ SERRANO | DIRECTOR Trustee or director | 1 | $0 | $0 |
| COURTNEY MELTON | DIRECTOR Trustee or director | 1 | $0 | $0 |
| MATTHEW SELINSKE | DIRECTOR Trustee or director | 1 | $0 | $0 |
990 for the year ended December 31, 2023: 15 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| WARREN SANDER | MANAGING DIRECTOR Officer | 40 | $174,000 | $17,281 |
| NICOLE CRANE | SMITH FELLOWS PROGRAM DIRECTOR Highest-paid employee | 40 | $161,667 | $13,744 |
| SHONDA FOSTER | SMITH FELLOWS PROGRAM DIRECTOR Highest-paid employee | 40 | $111,461 | $11,742 |
| NATE SPILLMAN | DEPUTY DIRECTOR Highest-paid employee | 40 | $112,000 | $6,078 |
| VANESSA ADAMS | PRESIDENT Trustee or director, Officer | 1 | $0 | $0 |
| MWEZI MUGERWA | PRESIDENT ELECT Trustee or director, Officer | 1 | $0 | $0 |
| JENNIFER THORNHILL | TREASURER Trustee or director, Officer | 1 | $0 | $0 |
| JANE VINESKY | SECRETARY Trustee or director, Officer | 1 | $0 | $0 |
| ROBYN JAMES | DIRECTOR Trustee or director | 1 | $0 | $0 |
| MATTHEW SELINSKE | DIRECTOR Trustee or director | 1 | $0 | $0 |
| SHAILI JOHRI | DIRECTOR Trustee or director | 1 | $0 | $0 |
| JOHN CIGLIANO | DIRECTOR Trustee or director | 1 | $0 | $0 |
| KOUSTUBH SHARMA | DIRECTOR Trustee or director | 1 | $0 | $0 |
| MICHA JACKSON | DIRECTOR Trustee or director | 1 | $0 | $0 |
| KARLA PELZ SERRANO | DIRECTOR Trustee or director | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 1133 15TH ST NW STE 300, WASHINGTON, DC 20005-2741
- Principal officer (990 for 2025)
- WARREN SANDER, 1133 15TH STREET NW 300, WASHINGTON, DC 20005
- Signed the 990
- WARREN SANDER, MANAGING DIRECTOR
- Phone
- (202) 234-4133
- Website
- WWW.CONBIO.ORG
- Return prepared by
- CHERRY BEKAERT ADVISORY LLC
Mission
TO ADVANCE THE SCIENCE AND PRACTICE OF CONSERVING EARTH'S BIOLOGICAL DIVERSITY.
Program accomplishments
- PROJECTS: SCB CONFERENCES: THE SOCIETY FOR CONSERVATION BIOLOGY HOSTS THE WORLD'S PREMIERE CONSERVATION CONFERENCE, THE INTERNATIONAL CONGRESS FOR CONSERVATION BIOLOGY (ICCB). ICCB IS A FORUM FOR ADDRESSING CONSERVATION CHALLENGES AND PRESENTING LATEST RESEARCH AND DEVELOPMENTS IN CONSERVATION SCIENCE AND PRACTICE.Expenses $2,410,219 · grants $1,255,218 · revenue $331,955
- PUBLICATIONS: THE SOCIETY FOR CONSERVATION BIOLOGY PUBLISHES THREE SCIENTIFIC JOURNALS. CONSERVATION BIOLOGY, FOUNDED IN 1987, IS THE LEADING PUBLICATION IN ITS DISCIPLINE AND ONE OF THE MOST FREQUENTLY CITED JOURNALS IN ITS FIELD. CONSERVATION LETTERS, FOUNDED IN 2008, IS KNOWN FOR ITS GLOBALLY IMPORTANT, POLICY-RELEVANT PAPERS ON ADVANCES IN THE SCIENCE AND PRACTICE OF CONSERVATION. CONSERVATION SCIENCE AND PRACTICE, FOUNDED IN 2019, PUBLISHES PAPERS THAT ADDRESS POLICY, PLANNING AND THE PRACTICE OF CONSERVING BIOLOGICAL DIVERSITY.FOR MEMBER-ORIENTED NEWS AND HAPPENINGS IN AND AROUND SCB, THE SOCIETY MAINTAINS THE SCB NEWS BLOG, AND AN E-NEWSLETTER, PUBLISHED TEN TIMES PER YEAR.Expenses $324,154 · grants $106,525 · revenue $1,042,274
- MEMBERSHIP: THE SOCIETY FOR CONSERVATION BIOLOGY WAS FOUNDED TO PROVIDE A STRONG COLLECTIVE VOICE FOR THE SCIENCE AND PRACTICE OF CONSERVATION AND TO INFORM POLICY AND DECISION-MAKERS.Expenses $256,857 · revenue $163,005
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 December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 33-0147824
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1992
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Environment (C053)
- Assets (IRS master file)
- $4,067,773
- Income (IRS master file)
- $4,475,648
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $4,182,998 | $3,676,090 | $4,067,773 | XML |
| 990-T | December 2025 | – | – | – | IRS |
| 990 | December 2024 | $3,779,100 | $3,565,447 | $3,689,391 | XML |
| 990-T | December 2024 | – | – | – | IRS |
| 990 | December 2023 | $3,843,970 | $3,603,657 | $3,346,962 | XML |
| 990-T | December 2023 | – | – | – | IRS |
| 990 | December 2022 | $1,304,879 | $2,782,874 | $3,226,794 | IRS |
| 990-T | December 2022 | – | – | – | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990-T | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | 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 33-0147824).
Questions about SOCIETY FOR CONSERVATION BIOLOGY
- What is the EIN of SOCIETY FOR CONSERVATION BIOLOGY?
- The employer identification number (EIN) of SOCIETY FOR CONSERVATION BIOLOGY is 33-0147824.
- Is SOCIETY FOR CONSERVATION BIOLOGY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1992.
- Are donations to SOCIETY FOR CONSERVATION BIOLOGY tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does SOCIETY FOR CONSERVATION BIOLOGY 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 SOCIETY FOR CONSERVATION BIOLOGY due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did SOCIETY FOR CONSERVATION BIOLOGY last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of SOCIETY FOR CONSERVATION BIOLOGY?
- The 990 for the year ended December 31, 2025 names WARREN SANDER.
- Who are the officers and directors of SOCIETY FOR CONSERVATION BIOLOGY?
- The 990 for the year ended December 31, 2025 lists 15 people; 3 received compensation from the organization, the highest $193,274 (WARREN SANDER, MANAGING DIRECTOR).
- How much revenue does SOCIETY FOR CONSERVATION BIOLOGY have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $4,182,998, expenses of $3,676,090 and total assets of $4,067,773 at year end.
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