Nonprofit · EIN 27-3943866
CENTER FOR BIOLOGICAL DIVERSITY INC
Tax-exempt · TUCSON, AZ 85702
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $42,909,696 | $40,618,999 | $2,290,697 | $64,118,086 | $5,062,243 | $59,055,843 |
| December 31, 2024 | 990 | $45,735,714 | $34,630,171 | $11,105,543 | $59,189,769 | $4,281,766 | $54,908,003 |
| December 31, 2023 | 990 (amended) | $34,484,948 | $31,797,568 | $2,687,380 | $46,823,092 | $4,219,948 | $42,603,144 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $38,254,388
- Program service revenue
- $2,703,255
- Investment income
- $1,470,737
- Net rental income
- $116,338
- Net gain from sales of assets
- $423,245
- Other revenue
- $481,316
Expenses
- Grants and similar amounts paid
- $2,750,216
- Compensation of officers, directors and key employees
- $1,485,173
- Other salaries and wages
- $20,513,344
- Salaries, compensation and benefits (total)
- $29,098,248
- Professional fundraising fees
- $0
- Legal fees
- $871,481
- Accounting fees
- $49,215
- Occupancy
- $764,015
- Travel
- $537,921
- Depreciation
- $502,639
- Program services (functional)
- $36,163,436
- Management and general (functional)
- $1,129,135
- Fundraising (functional)
- $3,326,428
Balance sheet and other
- Total assets, start of year
- $59,189,769
- Total assets, end of year
- $64,118,086
- Total liabilities, end of year
- $5,062,243
- Net assets, end of year
- $59,055,843
- Land, buildings and equipment
- $4,942,817
- Publicly traded securities
- $41,524,899
- Net assets without donor restrictions
- $49,238,900
- Net assets with donor restrictions
- $9,816,943
- Gross receipts
- $60,848,473
- Employees
- 274
- Volunteers
- 9
- Year formed
- 2012
- 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 |
|---|---|---|---|---|
| KIERAN SUCKLING | EXECUTIVE DI Officer | 40 | $329,461 | $60,350 |
| PETER GALVIN | DIRECTOR OF Trustee or director, Officer | 40 | $303,669 | $51,610 |
| PAULA SIMMONDS | CHIEF DEV. O Key employee | 40 | $303,433 | $37,987 |
| BRENDAN CUMMINGS | CONSERVATION Highest-paid employee | 40 | $276,224 | $41,374 |
| ROBIN SILVER | SECRETARY Trustee or director, Officer | 40 | $215,919 | $47,144 |
| ERIC GLITZENSTEIN | LITIGATION D Highest-paid employee | 40 | $202,679 | $38,987 |
| MIYO SAKASHITA | OCEANS DIREC Highest-paid employee | 40 | $183,481 | $47,739 |
| KASSIA SIEGEL | LAW INST. DI Highest-paid employee | 40 | $190,586 | $32,087 |
| HEATHER RAUCH | CHIEF OF STA Highest-paid employee | 40 | $197,844 | $18,731 |
| TODD SCHULKE | SENIOR STAFF Trustee or director, Officer | 17 | $117,389 | $18,214 |
| SARAIN FOX | DIRECTOR Trustee or director | 1 | $0 | $0 |
| MATT FRANKEL | DIRECTOR Trustee or director | 1 | $0 | $0 |
| LORIN LINDNER | TREASURER Trustee or director, Officer | 1 | $0 | $0 |
| MARCEY OLAJOS | CHAIR Trustee or director, Officer | 1 | $0 | $0 |
| REGINA ROMERO | DIRECTOR Trustee or director | 1 | $0 | $0 |
2 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MATI WAIYA | DIRECTOR Trustee or director | 1 | $0 |
| TERRY TEMPEST WILLIAMS | DIRECTOR Trustee or director | 1 | $0 |
990 for the year ended December 31, 2024: 17 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| KIERAN SUCKLING | EXECUTIVE DI Officer | 40 | $317,278 | $54,981 |
| PETER GALVIN | DIRECTOR OF Trustee or director, Officer | 40 | $289,946 | $46,432 |
| PAULA SIMMONDS | CHIEF DEV. O Key employee | 40 | $291,155 | $36,201 |
| BRENDAN CUMMINGS | CONSERVATION Highest-paid employee | 40 | $263,516 | $38,986 |
| MICHAEL HUDSON | TREASURER/FO Trustee or director, Officer | 40 | $260,359 | $31,306 |
| ROBIN SILVER | SECRETARY Trustee or director, Officer | 40 | $207,600 | $40,692 |
| ERIC GLITZENSTEIN | LITIGATION D Highest-paid employee | 40 | $192,196 | $33,818 |
| MIYO SAKASHITA | OCEANS DIREC Highest-paid employee | 40 | $182,590 | $34,444 |
| KASSIA SIEGEL | LAW INST. DI Highest-paid employee | 40 | $182,188 | $30,505 |
| HEATHER RAUCH | CHIEF OF STA Highest-paid employee | 40 | $190,562 | $17,846 |
| TODD SCHULKE | SENIOR STAFF Trustee or director, Officer | 17 | $121,690 | $22,694 |
| SARAIN FOX | DIRECTOR Trustee or director | 1 | $0 | $0 |
| MATT FRANKEL | DIRECTOR Trustee or director | 1 | $0 | $0 |
| MARCEY OLAJOS | CHAIR Trustee or director, Officer | 1 | $0 | $0 |
| REGINA ROMERO | DIRECTOR Trustee or director | 1 | $0 | $0 |
| MATI WAIYA | DIRECTOR Trustee or director | 1 | $0 | $0 |
| TERRY TEMPEST WILLIAMS | DIRECTOR Trustee or director | 1 | $0 | $0 |
990 for the year ended December 31, 2023: 17 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| KIERAN SUCKLING | EXECUTIVE DI Officer | 40 | $297,272 | $53,763 |
| PETER GALVIN | DIRECTOR OF Trustee or director, Officer | 40 | $272,022 | $44,119 |
| PAULA SIMMONDS | CHIEF DEV. O Key employee | 40 | $277,000 | $33,990 |
| MICHAEL HUDSON | ASST SECRETA Officer | 40 | $259,395 | $36,880 |
| BRENDAN CUMMINGS | CONSERVATION Highest-paid employee | 40 | $248,150 | $38,552 |
| ROBIN SILVER | SECRETARY Trustee or director, Officer | 40 | $196,037 | $37,679 |
| MIYO SAKASHITA | OCEANS DIREC Highest-paid employee | 40 | $177,006 | $36,587 |
| ERIC GLITZENSTEIN | LITIGATION D Highest-paid employee | 40 | $184,629 | $25,354 |
| KASSIA SIEGEL | LAW INST. DI Highest-paid employee | 40 | $170,450 | $28,573 |
| TODD SCHULKE | SENIOR STAFF Trustee or director, Officer | 40 | $125,600 | $28,126 |
| SARAIN FOX | DIRECTOR Trustee or director | 1 | $0 | $0 |
| MATT FRANKEL | TREASURER Trustee or director, Officer | 1 | $0 | $0 |
| MARCEY OLAJOS | CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| REGINA ROMERO | DIRECTOR Trustee or director | 1 | $0 | $0 |
| TODD STEINER | DIRECTOR Trustee or director | 1 | $0 | $0 |
| MATI WAIYA | DIRECTOR Trustee or director | 1 | $0 | $0 |
| TERRY TEMPEST WILLIAMS | DIRECTOR Trustee or director | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 710, TUCSON, AZ 85702-0710
- Principal officer (990 for 2025)
- KIERAN SUCKLING, PO BOX 710, TUCSON, AZ 85702
- Signed the 990
- GUY KUAWU, FIN & ADMIN DIRECTOR
- Phone
- (520) 623-5252
- Website
- WWW.BIOLOGICALDIVERSITY.ORG
- Return prepared by
- LUDWIG KLEWER & RUDNER PLLC
Mission
THE CENTER FOR BIOLOGICAL DIVERSITY INC, WORKS TO SECURE A FUTURE FOR ALL SPECIES, GREAT AND SMALL, HOVERING ON THE BRINK OF EXTINCTION. WE DO SO THROUGH SCIENCE, LAW AND CREATIVE MEDIA, WITH A FOCUS ON PROTECTING THE LANDS, WATERS AND CLIMATE THAT SPECIES NEED TO SURVIVE.
Program accomplishments
- THE CENTER'S CLIMATE PROGRAM WORK TO REDUCE U.S. GREENHOUSE GAS EMISSIONS AND AIR POLLUTION TO PROTECT BIOLOGICAL DIVERSITY, THE ENVIRONMENT AND HUMAN HEALTH. SOME OF THE PROGRAMS ACCOMPLISHMENTS IN 2025 INCLUDE SECURING PROTECTIONS FOR SPECIES THREATENED BY CLIMATE CHANGE, ENSURING COMPLIANCE WITH APPLICABLE LAW IN ORDER TO REDUCE POLLUTION, ADVOCATING FOR NEW LAWS AND POLICIES TO REDUCE POLLUTION AND SPEED THE ADOPTION OF CLEAN RENEWABLE ENERGY, AND EDUCATING AND MOBILIZING THE PUBLIC ON CLIMATE SCIENCE AND POLICY ISSUES.Expenses $6,125,576 · grants $114,850 · revenue $145,863
- THE CENTER'S ENDANGERED SPECIES PROGRAM WORKS TO PROTECT ENDANGERED SPECIES AND THEIR HABITATS ACROSS THE UNITED STATES THROUGH SCIENTIFIC RESEARCH, PUBLIC EDUCATION, ADMINISTRATIVE PROCESSES, AND LITIGATION. IT LEADS MANY PROTECTION CAMPAIGNS AND PROVIDES SUPPORT FOR CAMPAIGNS IN OTHER PROGRAMS.Expenses $4,712,946 · grants $31,621 · revenue $457,475
- THE CENTER'S PUBLIC LANDS LAW CENTER USES LEGAL ANALYSIS AND LITIGATION TO PROTECT AMERICA'S FEDERAL PUBLIC LANDS, MOST OFTEN THROUGH COLLABORATION WITH THE CENTER'S REGIONAL PROGRAMS. IN 2025, WE WORKED TO PROTECT PUBLIC LANDS IN UTAH, ARIZONA, NEW MEXICO, CALIFORNIA, COLORADO, MONTANA, MINNESOTA, AND OTHER STATES FROM ILLEGAL LOGGING, MINING, LIVESTOCK GRAZING AND OTHER IMPACTS.Expenses $5,037,965 · grants $2,411,400 · revenue $85,958
- 1. URBAN WILDLANDS PROGRAM- THE CENTER'S URBAN WILDLANDS PROGRAM WORKS TO PROTECT OPEN SPACE AND WILDLIFE FROM INAPPRORPIATE DEVELOPMENT AND DEVELOPMENT-ASSOCIATED IMPACTS, ESPECIALLY IN CALIFORNIA. IN 2025 WE CHALLENGED ILLEGAL AND UNSUSTAINABLE DEVELOPMENTS AND DEVELOPMENT POLICIES, INCLUDING THEIR NEXUS WITH WILDFIRE CASUES AND THREATS. 2. OCEANS PROGRAM- IN 2025, THE CENTER'S OCEANS PROGRAM CONTINUED TO MAKE SIGNIFICANT STRIDES IN MARINE CONSERVATION. OUR ADVOCACY AIMED AT PREVENTING WHALE ENTANGLEMENTS IN FISHING GEAR, PROTECTING THE OCEANS FROM PLASTIC POLLUTION AND OIL SPILLS, AND SECURING ENDANGERED MARINE SPECIES AND THEIR HABITATS PROTECTIONS. WE USED LAW, SCIENCE, ORGANIZING, AND COMMUNICATIONS TO PROTECT HEALTHY OCEANS AND COASTAL COMMUNITIES. 3. SOUTHWEST PROGRAM- THE CENTER'S SOUTHWEST PROGRAM WORKS TO PROTECT WILDLIFE AND WILD PLACES IN ARIZONA, NEW MEXICO AND NORTHERN MEXICO. 4. POPULATION & SUSTAINABILITY PROGRAM- THE CENTER'S POPULATION AND SUSTAINABILITY PROGRAM EDUCATES THE PUBLIC AND POLICYMAKERS ON THE CONNECTIONS BETWEEN HUMAN POPULATION PRESSURE, UNSUSTAINABLE CONSUMPTION, AND THE CLIMATE AND EXTINCTION CRISES, AND ADVOCATES FOR SOLUTIONS THAT ADVANCE REPRODUCTIVE FREEDOM, EMPOWERMENT, CONSCIOUS CONSUMPTION, AND JUST, HUMANE AND SUSTAINABLE FOOD SYSTEM. IN 2025, WE RELEASED WHITE PAPERS, POLICY AND OPINION PIECES ADVOCATING FOR A JUST FOOD TRANSITION, ANALYZED AND ADVOCATED FOR SUSTAINABILITY IN DIETARY GUIDLINES, AND ADVANCED FOOD CODE POLICY TO SUPPORT REUSE AND REDUCE PLASTIC POLLUTION. OUR TEAM ALSO ENGAGED ON REPRODUCTIVE RIGHTS AND FOOD POLICY ISSUES AT THE LOCAL, STATE, NATIONAL AND INTERNATIONAL LEVEL, OFTEN WITH THE SUPPORT OF OUR MEMBERS AND SUPPORTERS. 5. INTERNATIONAL PROGRAM- THE CENTER'S INTERNATIONAL PROGRAM SEEKS TO PROTECT GLOBAL BIODIVERSITY THROUGH U.S. AND INTERNATIONAL LAWS. IN 2025, WE SOUGHT U.S. AND INTERNATIONAL PROTECTIONS FOR NUMEROUS SPECIES THREATENED BY INTERNATIONAL TRADE AND COMMERCE, WORKED TO PROTECT WILDLIFE HARMED IN VIOLATION OF THE MARINE MAMMAL PROTECTION ACT, SOUGHT GREATER PROTECTIONS FOR WILDLIFE IN NORTHERN MEXICO AND AT WORLD HERITAGE SITES ELSEWHERE. 6. CARNIVORE CONSERVATION PROGRAM- THE CENTER'S CARNIVORE CONSERVATION PROGRAM WON PROTECTIONS IN 2025 FOR ECOLOGICALLY IMPORTANT CARNIVORES AND THEIR HABITATS INCLUDING GREY WOLVES, RED WOLVES, MOUNTAIN LIONS, GRIZZLY BEARS, AND MARTENS. IT WON THE DESIGNATION AND PROTECTION OF FEDRAL CRITICAL HABITAT AREAS, FOUGHT AGAINST DAMAGING STATE AND FEDERAL POLICIES, AND SUPPORTED PRO-CARNIVORE POLICIES. 7. THE CENTER HAD PROGRAM SERVICE ACCOMPLISHMENTS IN OTHER PROGRAMS INCLUDING: FLORIDA AND THE CARIBBEAN, THE GREAT BASIN, NORTHERN AND SOUTHERN ROCKIES, THE SOUTHEAST, AND HAWAII.Expenses $20,286,949 · grants $192,345 · revenue $2,013,959
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
- 27-3943866
- 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
- 2011
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Animal-related (D20)
- Assets (IRS master file)
- $64,118,086
- Income (IRS master file)
- $60,848,473
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $42,909,696 | $40,618,999 | $64,118,086 | XML |
| 990 | December 2024 | $45,735,714 | $34,630,171 | $59,189,769 | XML |
| 990 | December 2023 | $34,484,948 | $31,797,568 | $46,823,092 | XML |
| 990 | December 2022 | $27,585,235 | $27,016,649 | $43,123,216 | IRS |
| 990 | 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 27-3943866).
Questions about CENTER FOR BIOLOGICAL DIVERSITY INC
- What is the EIN of CENTER FOR BIOLOGICAL DIVERSITY INC?
- The employer identification number (EIN) of CENTER FOR BIOLOGICAL DIVERSITY INC is 27-3943866.
- Is CENTER FOR BIOLOGICAL DIVERSITY INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2011.
- Are donations to CENTER FOR BIOLOGICAL DIVERSITY INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does CENTER FOR BIOLOGICAL DIVERSITY 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 CENTER FOR BIOLOGICAL DIVERSITY INC 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 CENTER FOR BIOLOGICAL DIVERSITY INC 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 CENTER FOR BIOLOGICAL DIVERSITY INC?
- The 990 for the year ended December 31, 2025 names KIERAN SUCKLING.
- Who are the officers and directors of CENTER FOR BIOLOGICAL DIVERSITY INC?
- The 990 for the year ended December 31, 2025 lists 17 people; 10 received compensation from the organization, the highest $329,461 (KIERAN SUCKLING, EXECUTIVE DI).
- How much revenue does CENTER FOR BIOLOGICAL DIVERSITY INC have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $42,909,696, expenses of $40,618,999 and total assets of $64,118,086 at year end.
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