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Nonprofit · EIN 04-2535767

UNION OF CONCERNED SCIENTISTS INC

Tax-exempt · CAMBRIDGE, MA 02138

Financials

$41.7M$49.6M2022$41.9M$50.3M2023$55.5M$49.8M2024
Revenue Expenses · by fiscal year end
Financials of UNION OF CONCERNED SCIENTISTS INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
September 30, 2025990$55,479,482$49,837,453$5,642,029$80,759,386$9,131,307$71,628,079
September 30, 2024990$41,916,878$50,279,313-$8,362,435$71,499,999$10,686,017$60,813,982
September 30, 2023990$41,698,808$49,563,981-$7,865,173$75,487,270$13,572,153$61,915,117
Financial details: 990 for the year ended September 30, 2025

Revenue

Contributions, gifts and grants
$50,823,122
Program service revenue
$0
Investment income
$1,246,433
Royalties
$408
Net gain from sales of assets
$916,310
Other revenue
$3,409,927

Expenses

Grants and similar amounts paid
$564,584
Compensation of officers, directors and key employees
$3,515,497
Other salaries and wages
$24,127,183
Salaries, compensation and benefits (total)
$35,168,847
Professional fundraising fees
$548,312
Legal fees
$274,142
Accounting fees
$64,215
Occupancy
$2,431,700
Travel
$1,043,504
Depreciation
$401,125
Program services (functional)
$43,987,179
Management and general (functional)
$3,160,826
Fundraising (functional)
$2,689,448

Balance sheet and other

Total assets, start of year
$71,499,999
Total assets, end of year
$80,759,386
Total liabilities, end of year
$9,131,307
Net assets, end of year
$71,628,079
Land, buildings and equipment
$7,438,343
Publicly traded securities
$53,733,923
Net assets without donor restrictions
$66,608,418
Net assets with donor restrictions
$5,019,661
Gross receipts
$57,165,063
Employees
254
Volunteers
19
Year formed
1973
State of legal domicile
DC

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 September 30, 2025, highest compensation first.

NameTitleHours / weekCompensationOther / benefits
JOHANNA CHAO KREILICKFORMER PRESIDENT & CEO
Former
40$324,708$7,968
PALLAVI PHARTIYALVP, PROGRAMS, POLICY & ADVOCACY
Key employee
40$265,964$33,573
SUZANNE SHAWCHIEF COMMUNICATIONS OFFICER
Key employee
40$228,553$52,954
KIM WADDELLACTING PRESIDENT
Trustee or director, Officer
40$263,593$9,030
SONJA SPEARSCHIEF JUSTICE & EQUITY OFFICER
Key employee
40$227,271$30,681
MELISSA FINUCANEVP, SCIENCE & INNOVATION
Key employee
40$242,078$14,509
HUMPHREYS MUNAICHIEF FINANCE & ADMIN. OFFICER
Officer
40$238,422$8,149
JULIA KENTCHIEF DEVELOPMENT OFFICER
Key employee
40$224,975$20,104
ADAM MARKHAMDEPUTY DIRECTOR, CLIMATE
Highest-paid employee
40$184,371$49,606
TARA DROZDENIKOPROGRAM DIRECTOR, GLOBAL SECURITY
Highest-paid employee
40$183,599$50,048
JULIET CHRISTIAN SMITHPROGRAM DIRECTOR, WESTERN STATES
Highest-paid employee
40$212,565$20,419
CHITRA KUMARMANAGING DIRECTOR, CLIMATE & ENERGY
Highest-paid employee
40$221,396$11,563
JARASA MANGKORN KANOKCHIEF OF STRATEGIC PLANNING
Key employee
32$182,967$49,380
JENNIFER JONESPROGRAM DIRECTOR, CENTER OF SCIENCE
Highest-paid employee
40$189,149$23,589
ERIN BURGERCHIEF OF STAFF
Key employee
40$167,562$29,155
20 more people on this return
NameTitleHours / weekCompensationOther / benefits
OLUSETO ADEYEFAFORMER CHIEF PEOPLE OFFICER
Former
40$115,775$16,514
ANNE R KAPUSCINSKIBOARD CHAIR
Trustee or director, Officer
5$0$0
PETER A BRADFORDBOARD VICE CHAIR
Trustee or director, Officer
1$0$0
MARGO OGEBOARD SECRETARY
Trustee or director, Officer
1$0$0
MACKY MCCLEARYBOARD TREASURER
Trustee or director, Officer
1$0$0
ADELE SIMMONSBOARD MEMBER
Trustee or director
1$0$0
LAURIE BURTBOARD MEMBER
Trustee or director
1$0$0
STEVE FETTERBOARD MEMBER
Trustee or director
1$0$0
RICHARD L GARWINBOARD MEMBER (UNTIL 5/13/25)
Trustee or director
1$0$0
ANDREW J GUNTHERBOARD MEMBER
Trustee or director
1$0$0
GEOFFREY M HEALBOARD MEMBER
Trustee or director
1$0$0
BEN SANTERBOARD MEMBER
Trustee or director
1$0$0
ELLYN R WEISSBOARD MEMBER
Trustee or director
1$0$0
WILLIAM REILLYBOARD MEMBER
Trustee or director
1$0$0
NANCY STEPHENSBOARD MEMBER
Trustee or director
1$0$0
ZIA MIANBOARD MEMBER
Trustee or director
1$0$0
MAHZARIN BANAJIBOARD MEMBER
Trustee or director
1$0$0
JAMES S HOYTEBOARD MEMBER
Trustee or director
1$0$0
CAMARA PHYLLIS JONESBOARD MEMBER
Trustee or director
1$0$0
KYLE MENGBOARD MEMBER
Trustee or director
1$0$0
990 for the year ended September 30, 2024: 35 people
NameTitleHours / weekCompensationOther / benefits
JOHANNA CHAO KREILICKPRESIDENT & CEO
Trustee or director, Officer
40$353,104$51,201
PALLAVI PHARTIYALVP, PROGRAMS, POLICY & ADVOCACY
Key employee
40$266,083$35,190
SUZANNE SHAWCHIEF COMMUNICATIONS OFFICER
Key employee
40$229,124$57,956
JARASA MANGKORN KANOKCHIEF OF STRATEGIC PLANNING
Key employee
40$231,675$53,050
OLUSETO ADEYEFACHIEF PEOPLE OFFICER
Key employee
40$235,450$41,779
SONJA SPEARSCHIEF JUSTICE & EQUITY OFFICER
Key employee
40$225,901$48,359
TARA DROZDENIKOPROGRAM DIRECTOR, GLOBAL SECURITY
Highest-paid employee
40$184,126$60,388
ADAM MARKHAMDEPUTY DIRECTOR, CLIMATE
Highest-paid employee
40$185,460$57,773
JULIET CHRISTIAN SMITHPROGRAM DIRECTOR, WESTERN STATES
Highest-paid employee
40$215,108$25,108
TRACY DONAHOEDIRECTOR, PLANNED GIVING
Highest-paid employee
40$180,163$52,874
RICARDO SALVADORPROGRAM DIRECTOR, FOOD & ENVIRONMENT
Highest-paid employee
40$190,978$29,659
ERIN BURGERCHIEF OF STAFF
Key employee
40$167,644$36,986
MELISSA FINUCANEVP, SCIENCE & INNOVATION
Key employee
40$175,932$1,289
HUMPHREYS MUNAICHIEF FINANCE & ADMIN. OFFICER
Officer
40$90,485$6,536
ANNE R KAPUSCINSKIBOARD CHAIR
Trustee or director, Officer
5$0$0
PETER A BRADFORDBOARD VICE CHAIR
Trustee or director, Officer
1$0$0
MARGO OGEBOARD SECRETARY
Trustee or director, Officer
1$0$0
MACKY MCCLEARYBOARD TREASURER
Trustee or director, Officer
1$0$0
ADELE SIMMONSBOARD MEMBER
Trustee or director
1$0$0
THOMAS H STONEBOARD MEMBER
Trustee or director
1$0$0
LAURIE BURTBOARD MEMBER
Trustee or director
1$0$0
STEVE FETTERBOARD MEMBER
Trustee or director
1$0$0
RICHARD L GARWINBOARD MEMBER
Trustee or director
1$0$0
ANDREW J GUNTHERBOARD MEMBER
Trustee or director
1$0$0
GEOFFREY M HEALBOARD MEMBER
Trustee or director
1$0$0
BEN SANTERBOARD MEMBER
Trustee or director
1$0$0
KIM WADDELLBOARD MEMBER
Trustee or director
1$0$0
ELLYN R WEISSBOARD MEMBER
Trustee or director
1$0$0
WILLIAM REILLYBOARD MEMBER
Trustee or director
1$0$0
NANCY STEPHENSBOARD MEMBER
Trustee or director
1$0$0
ZIA MIANBOARD MEMBER
Trustee or director
1$0$0
MAHZARIN BANAJIBOARD MEMBER
Trustee or director
1$0$0
JAMES S HOYTEBOARD MEMBER
Trustee or director
1$0$0
CAMARA PHYLLIS JONESBOARD MEMBER
Trustee or director
1$0$0
AHSAN IJAZINTERIM CFO (UNTIL OCT. 2023)
Officer
40$0$0
990 for the year ended September 30, 2023: 33 people
NameTitleHours / weekCompensationOther / benefits
JOHANNA CHAO KREILICKPRESIDENT
Trustee or director, Officer
40$353,617$45,279
LAURIE MARDEN UNTIL 31023CHIEF DEVELOPMENT OFFICER
Key employee
40$262,426$53,081
JARASA MANGKORN KANOKDIR OF ORG. EFFECTIVENESS & PLANNING
Key employee
40$232,320$57,422
SUZANNE SHAWDIRECTOR OF COMMUNICATIONS
Key employee
40$229,564$42,943
SETO AKINJIOLACHIEF PEOPLE OFFICER
Key employee
40$236,255$29,033
KATHLEEN RESTFORMER EXECUTIVE DIRECTOR
Former
40$263,257$0
ADAM MARKHAMDEPUTY DIRECTOR C&E
Highest-paid employee
40$200,406$55,168
RICARDO SALVADORDIRECTOR OF FOOD & ENVIRONMENT
Highest-paid employee
40$191,255$41,032
JEFFREY DEYETTEDIRECTOR OF STATE POLICY & ANALYSIS
Highest-paid employee
40$181,046$50,138
ERIN BURGERCHIEF OF STAFF
Key employee
40$178,944$17,825
ANDREW ROSENBERGSENIOR SCIENCE ADVISOR
Highest-paid employee
40$159,433$15,941
SONJA SPEARSCHIEF JUSTICE & EQUITY OFFICER
Highest-paid employee
40$129,388$8,414
CHERYL SCHAFFERFORMER CHIEF ADMIN. & FIN. OFFICER
Former
40$108,474$11,738
ANNE R KAPUSCINSKIBOARD CHAIR
Trustee or director, Officer
5$0$0
PETER A BRADFORDBOARD VICE CHAIR
Trustee or director, Officer
1$0$0
MARGO OGEBOARD SECRETARY
Trustee or director, Officer
1$0$0
MACKY MCCLEARYBOARD TREASURER
Trustee or director, Officer
1$0$0
ADELE SIMMONSBOARD MEMBER
Trustee or director
1$0$0
THOMAS H STONEBOARD MEMBER
Trustee or director
1$0$0
LAURIE BURTBOARD MEMBER
Trustee or director
1$0$0
STEVE FETTERBOARD MEMBER
Trustee or director
1$0$0
RICHARD L GARWINBOARD MEMBER
Trustee or director
1$0$0
ANDREW J GUNTHERBOARD MEMBER
Trustee or director
1$0$0
GEOFFREY M HEALBOARD MEMBER
Trustee or director
1$0$0
BEN SANTERBOARD MEMBER
Trustee or director
1$0$0
KIM WADDELLBOARD MEMBER
Trustee or director
1$0$0
ELLYN R WEISSBOARD MEMBER
Trustee or director
1$0$0
WILLIAM REILLYBOARD MEMBER
Trustee or director
1$0$0
NANCY STEPHENSBOARD MEMBER
Trustee or director
1$0$0
ZIA MIANBOARD MEMBER
Trustee or director
1$0$0
MAHZARIN BANAJIBOARD MEMBER
Trustee or director
1$0$0
AHSAN IJAZINTERIM CFO
Officer
40$0$0
HUMPHREYS MUNAIAS OF AUG '23CHIEF ADMINISTRATIVE & FIN. OFFICER
Officer
40$0$0

Address and contacts

Address (IRS master file)
2 BRATTLE SQ STE 6, CAMBRIDGE, MA 02138-3756
Principal officer (990 for 2024)
GRETCHEN GOLDMAN, TWO BRATTLE SQUARE, CAMBRIDGE, MA 02138
Signed the 990
HUMPHREYS MUNAI, CHIEF FINANCE & ADMIN. OFFICER
Phone
(617) 547-5552
Return prepared by
CBIZ ADVISORS LLC

Mission

THE UNION OF CONCERNED SCIENTISTS PUTS RIGOROUS, INDEPENDENT SCIENCE INTO ACTION, DEVELOPING SOLUTIONS AND ADVOCATING FOR A HEALTHY, SAFE, AND JUST FUTURE.

990 for the year ended September 30, 2025

Program accomplishments

  • THE CLIMATE AND CLEAN ENERGY PROGRAM WORKS TO LIMIT THE MAGNITUDE AND IMPACTS OF CLIMATE CHANGE, TO HELP COMMUNITIES BUILD RESILIENCE IN THE FACE OF UNAVOIDABLE CLIMATE IMPACTS, AND TO ACCELERATE A RAPID AND FAIR SHIFT IN THE WAY WE POWER OUR LIVES BY MODERNIZING OUR ELECTRICITY GRID SO IT CAN OPERATE RELIABLY WITH LARGE AMOUNTS OF RENEWABLE ENERGY. IN ADDITION, UCS WORKS TO MAKE SURE THE MAJOR FOSSIL FUEL COMPANIES FACE LEGAL, FINANCIAL, REPUTATIONAL, AND POLITICAL CONSEQUENCES FOR MISLEADING THE PUBLIC ABOUT CLIMATE SCIENCE AND SOLUTIONS. WE ADVANCE THESE EFFORTS BY COMBINING RIGOROUS SCIENTIFIC AND TECHNICAL ANALYSIS WITH ADVOCACY AND OUTREACH EFFORTS.
    Expenses $19,005,040 · grants $564,584
  • THE CLEAN TRANSPORTATION PROGRAM SEEKS TO ADVANCE AN AMBITIOUS AND FAIR CLEAN TRANSPORTATION AGENDA. WE ANALYZE ADVANCED VEHICLE TECHNOLOGIES, BIOFUELS, AND RELATED OIL-REDUCTION STRATEGIES, AND WORKING WITH A BROAD SET OF STAKEHOLDERS AND PARTNERS ADVOCATE FOR EFFECTIVE AND EQUITABLE TRANSPORTATION SOLUTIONS THAT CREATE NEW JOBS AND INDUSTRIES, SAVE CONSUMERS BILLIONS OF DOLLARS AT THE GAS PUMP, IMPROVE AIR QUALITY AND REDUCE GLOBAL WARMING.
    Expenses $6,497,795
  • GLOBAL SECURITY PROGRAM SEEKS TO BUILD A MORE SECURE AND EQUITABLE FUTURE BY REDUCING THE RISK OF A NUCLEAR WAR STARTING BY ACCIDENT OR MISCALCULATION, AND ULTIMATELY ELIMINATING THESE POTENTIALLY CIVILIZATION-ENDING WEAPONS. WE SERVE AS AN INDEPENDENT WATCHDOG ON A RANGE OF NUCLEAR AND WEAPONS ISSUES, COMBINING TECHNICAL ANALYSIS AND POLICY EXPERTISE TO REDUCE THE THREATS POSED BY NUCLEAR WEAPONS.
    Expenses $5,884,339
  • THE CENTER FOR SCIENCE AND DEMOCRACY WORKS FOR STRONG, INDEPENDENT PUBLIC SCIENCE, A ROBUST, TRANSPARENT DEMOCRACY, JUSTICE FOR OVERBURDENED COMMUNITIES, THE EFFECTIVE USE OF SCIENCE IN MAKING POLICY THAT SERVES THE COMMON GOOD, AND ADVOCATES FOR SCIENCE-BASED ELECTION AND REDISTRICTING RULE. THE CENTER PRODUCES ORIGINAL RESEARCH AND ANALYSIS AND BRINGS PEOPLE TOGETHER TO DISCUSS KEY ISSUES SUCH AS ENSURING PUBLIC ACCESS TO SCIENTIFIC INFORMATION, KEEPING SCIENCE FREE FROM DISTORTION AND MANIPULATION BY SPECIAL INTERESTS, AND PROMOTING MORE EFFECTIVE USE OF SCIENCE IN POLICY MAKING.
    Expenses $4,571,442
  • THE FOOD AND ENVIRONMENT PROGRAM WORKS TO SECURE A MORE RESILIENT AND JUST FOOD SYSTEM THAT MANAGES LAND IN A WAY THAT RELIABLY DELIVERS NUTRITIOUS FOOD, SAFE AND DIGNIFIED JOBS, HEALTHY ECOSYSTEMS AND CLIMATE SOLUTIONS. OUR SCIENCE AND ADVOCACY AIMS TO TRANSFORM THE FOOD SYSTEMS TO MAKE HEALTHY FOOD AVAILABLE TO ALL AND FOR FAIR TREATMENT OF FARMERS AND FARMWORKERS, WITHOUT DEPLETING FARMLANDS OR POLLUTING OUR COMMUNITIES.
    Expenses $4,470,206
  • THE WESTERN STATES PROGRAM HELPS DESIGN, INFORM AND SUPPORT MANY GROUNDBREAKING SCIENCE-BASED POLICIES TO ADDRESS CLIMATE CHANGE AND POLLUTION IN THE TRANSPORTATION, ENERGY, AND LAND-USE SECTORS IN CALIFORNIA AND IN OTHER US WESTERN STATES. THE PROGRAM COORDINATES AND COLLABORATES ACROSS ISSUES STATES IN THE WESTERN REGION TO CRAFT POLICIES AND STANDARDS THAT SERVE AS A MODEL FOR OTHER REGIONS, STATES, AND THE FEDERAL GOVERNMENT - AN APPROACH THAT MULTIPLIES POLICIES IN PUBLIC INTEREST.
    Expenses $3,239,292
  • LEGISLATIVE - APPEARANCES BEFORE CONGRESSIONAL COMMITTEES, AS WELL AS MEETING WITH INDIVIDUAL CONGRESSMEN AND WRITING, PRINTING, AND MAILING OF LEGISLATIVE ALERTS TO UCS SPONSORS.
    Expenses $319,065

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 September, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025September 30, 2026February 16, 2027Not due yet
2024September 30, 2025February 17, 2026990 on file
2023September 30, 2024February 18, 2025990 on file

IRS record

EIN
04-2535767
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
1974
Accounting year ends
September
Files
Form 990 or 990-EZ
Assets (IRS master file)
$80,759,386
Income (IRS master file)
$57,165,063

Filing history

FormYear endedRevenueExpensesAssetsReturn
990September 2025$55,479,482$49,837,453$80,759,386XML
990-TSeptember 2025–––IRS
990September 2024$41,916,878$50,279,313$71,499,999XML
990-TSeptember 2024–––IRS
990September 2023$41,698,808$49,563,981$75,487,270XML
990-TSeptember 2023–––IRS
990September 2022$48,698,312$54,771,427$71,567,370IRS
990-TSeptember 2022–––IRS
990September 2021–––IRS
990-TSeptember 2021–––IRS
990September 2020–––IRS
990September 2019–––IRS
990September 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 04-2535767).

Questions about UNION OF CONCERNED SCIENTISTS INC

What is the EIN of UNION OF CONCERNED SCIENTISTS INC?
The employer identification number (EIN) of UNION OF CONCERNED SCIENTISTS INC is 04-2535767.
Is UNION OF CONCERNED SCIENTISTS INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1974.
Are donations to UNION OF CONCERNED SCIENTISTS INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does UNION OF CONCERNED SCIENTISTS 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 UNION OF CONCERNED SCIENTISTS INC due?
The return for tax year 2025 (the year ending September 30, 2026) is due February 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did UNION OF CONCERNED SCIENTISTS INC last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended September 2025.
Who is the principal officer of UNION OF CONCERNED SCIENTISTS INC?
The 990 for the year ended September 30, 2025 names GRETCHEN GOLDMAN.
Who are the officers and directors of UNION OF CONCERNED SCIENTISTS INC?
The 990 for the year ended September 30, 2025 lists 35 people; 16 received compensation from the organization, the highest $324,708 (JOHANNA CHAO KREILICK, FORMER PRESIDENT & CEO).
How much revenue does UNION OF CONCERNED SCIENTISTS INC have?
On its 990 for the year ended September 30, 2025 it reported revenue of $55,479,482, expenses of $49,837,453 and total assets of $80,759,386 at year end.

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