Nonprofit · EIN 04-2103916
MUSEUM OF SCIENCE
Tax-exempt · BOSTON, MA 02114
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $56,491,241 | $71,038,825 | -$14,547,584 | $519,926,742 | $27,943,949 | $491,982,793 |
| June 30, 2024 | 990 | $211,850,719 | $67,836,371 | $144,014,348 | $512,816,312 | $22,608,514 | $490,207,798 |
| June 30, 2023 | 990 | $72,506,770 | $66,023,873 | $6,482,897 | $356,576,389 | $19,652,272 | $336,924,117 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $16,896,964
- of which government grants
- $2,869,368
- Membership dues
- $1,441,284
- Program service revenue
- $22,171,242
- Investment income
- $10,522,742
- Royalties
- $91,899
- Net rental income
- $2,514,653
- Net gain from sales of assets
- $3,114,671
- Net income from fundraising events
- -$776,516
- Net income from sales of inventory
- $1,420,848
- Other revenue
- $6,900,293
Expenses
- Grants and similar amounts paid
- $1,077,047
- Compensation of officers, directors and key employees
- $2,442,882
- Other salaries and wages
- $24,229,289
- Salaries, compensation and benefits (total)
- $32,409,547
- Professional fundraising fees
- $257,265
- Legal fees
- $96,026
- Accounting fees
- $210,058
- Occupancy
- $3,436,068
- Travel
- $859,127
- Depreciation
- $9,924,991
- Program services (functional)
- $52,377,326
- Management and general (functional)
- $12,611,847
- Fundraising (functional)
- $6,049,652
Balance sheet and other
- Total assets, start of year
- $512,816,312
- Total assets, end of year
- $519,926,742
- Total liabilities, end of year
- $27,943,949
- Net assets, end of year
- $491,982,793
- Land, buildings and equipment
- $115,338,240
- Publicly traded securities
- $45,772,196
- Net assets without donor restrictions
- $149,033,137
- Net assets with donor restrictions
- $342,949,656
- Gross unrelated business income
- $2,181,345
- Gross receipts
- $119,597,022
- Employees
- 476
- Volunteers
- 99
- Year formed
- 1831
- State of legal domicile
- MA
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 |
|---|---|---|---|---|
| TIMOTHY RITCHIE | PRESIDENT Trustee or director, Officer | 40 | $508,661 | $21,303 |
| TODD SPERRY | CHIEF MARKETING OFFICER Key employee | 40 | $309,176 | $20,835 |
| SEVERINE J IMBERT DE SMIRNOFF | CHIEF OF STRATEGIC INITIATIVES Officer | 40 | $290,355 | $37,642 |
| MIRIAM KRONBERG | FMR. CHIEF OF FINANCE (UNTIL 1/24) Former | 40 | $308,371 | $1,769 |
| CHRISTINE M CUNNINGHAM | CHIEF OF LEARNING Key employee | 40 | $288,943 | $20,237 |
| YASMINA M BLAISE | CHIEF FINANCIAL OFFICER Officer | 40 | $283,351 | $15,865 |
| THOMAS A CATALINI | AVP, IT Highest-paid employee | 40 | $227,771 | $15,458 |
| PAUL J IPPOLITO | SVP, FINANCE AND BUILDING OPERATIONS Highest-paid employee | 40 | $210,990 | $29,854 |
| TIMOTHY J PORTER | SVP EXHIBITS, RESEARCH, AND COLLECTIONS Key employee | 40 | $206,571 | $17,437 |
| ROBERT K MOHLER | CHIEF ADVANCEMENT OFFICER Key employee | 40 | $212,716 | $2,063 |
| LYDIA A BEALL | SVP, PACE Key employee | 40 | $188,737 | $24,088 |
| INSOO HYUN | DIRECTOR OF CENTER FOR LIFE SCIENCES Highest-paid employee | 40 | $175,077 | $33,783 |
| KARA J PETERSON | SR DIRECTOR MARKETING Highest-paid employee | 40 | $173,220 | $35,490 |
| RACHEL T DEMASTER | DIRECTOR OF ADVANCEMENT EVENTS Highest-paid employee | 40 | $177,911 | $25,292 |
| YUISA PEREZ | FMR. CHIEF OF PEOPLE (UNTIL 5/24) Former | 1 | $143,790 | $18,076 |
51 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ALEXIS A BORISY | CHAIR Trustee or director, Officer | 1 | $0 |
| GWILL ELAINE YORK | VICE-CHAIR Trustee or director, Officer | 1 | $0 |
| REBECCA S KANTAR | VICE-CHAIR Trustee or director, Officer | 1 | $0 |
| ADAM M KOPPEL | VICE-CHAIR Trustee or director, Officer | 1 | $0 |
| MARIA L KUSSMAUL | VICE-CHAIR Trustee or director, Officer | 1 | $0 |
| DAVID M ALTSHULER | TRUSTEE Trustee or director | 1 | $0 |
| LAUREN BAKER | TRUSTEE Trustee or director | 1 | $0 |
| NILANJANA BHOWMIK | TRUSTEE (UNTIL 1/2/25) Trustee or director | 1 | $0 |
| PRIYANKA J BOBBILI | TRUSTEE Trustee or director | 1 | $0 |
| ABRAHAM N CEESAY | TRUSTEE Trustee or director | 1 | $0 |
| STACY L COWAN | TRUSTEE Trustee or director | 1 | $0 |
| MARCUS O P DEFLORIMONTE | TRUSTEE Trustee or director | 1 | $0 |
| BECKY DUSEAU | TRUSTEE Trustee or director | 1 | $0 |
| PAUL EGERMAN | TRUSTEE Trustee or director | 1 | $0 |
| RANA EL KALIOUBY | TRUSTEE Trustee or director | 1 | $0 |
| HELEN GREINER | TRUSTEE Trustee or director | 1 | $0 |
| LESLIE E GREIS | TRUSTEE Trustee or director | 1 | $0 |
| KRISTI J HUMMEL | TRUSTEE Trustee or director | 1 | $0 |
| GREGORY B JANEY | TRUSTEE Trustee or director | 1 | $0 |
| ANDREA KANEB | TRUSTEE Trustee or director | 1 | $0 |
| WAYNE M KENNARD | TRUSTEE Trustee or director | 1 | $0 |
| KATE D LEVIN | TRUSTEE Trustee or director | 1 | $0 |
| LEO X LIU | TRUSTEE Trustee or director | 1 | $0 |
| JOY LUCAS | TRUSTEE Trustee or director | 1 | $0 |
| IVANA MAGOVCEVIC-LIEBISCH | TRUSTEE Trustee or director | 1 | $0 |
| DEBBIE L MILLIN | TRUSTEE Trustee or director | 1 | $0 |
| YIANNIS MONOVOUKAS | TRUSTEE Trustee or director | 1 | $0 |
| CHINH H PHAM | TRUSTEE Trustee or director | 1 | $0 |
| JAMES P ROSENFIELD | TRUSTEE Trustee or director | 1 | $0 |
| RUDY L RUGGLES III | TRUSTEE Trustee or director | 1 | $0 |
| NAVJOT SINGH | TRUSTEE Trustee or director | 1 | $0 |
| PAYSON SWAFFIELD | TRUSTEE Trustee or director | 1 | $0 |
| HARRIETT TEE TAGGART | TRUSTEE Trustee or director | 1 | $0 |
| SOPHIE V VANDEBROEK | TRUSTEE Trustee or director | 1 | $0 |
| JEFFREY P JOHNSON | CORPORATION COUNSEL Trustee or director | 1 | $0 |
| LEILANI I GERMAIN | CHAIR, MUSEUM ADVISORS Trustee or director | 1 | $0 |
| ANJALI FEDSON HACK | TRUSTEE Trustee or director | 1 | $0 |
| BONAVENTURE AGATA | TRUSTEE Trustee or director | 1 | $0 |
| JARASA KANOK | TRUSTEE Trustee or director | 1 | $0 |
| IGNACIO MARTINEZ | TRUSTEE Trustee or director | 1 | $0 |
| PARISS CHANDLER | CHAIR, THE INNOVATORS Trustee or director | 1 | $0 |
| PRITI H CHATTER | TRUSTEE Trustee or director | 1 | $0 |
| DEBORAH DUNSIRE | TRUSTEE Trustee or director | 1 | $0 |
| DOUG FAMBROUGH | TRUSTEE Trustee or director | 1 | $0 |
| SUSAN GRAHAM JOHNSTON | TRUSTEE Trustee or director | 1 | $0 |
| MEGAN A GREENFIELD | TRUSTEE Trustee or director | 1 | $0 |
| KURT MELDEN | TRUSTEE Trustee or director | 1 | $0 |
| KATHERINE L RELIHAN | TRUSTEE Trustee or director | 1 | $0 |
| RICKY L SUN | TRUSTEE Trustee or director | 1 | $0 |
| KIM THORNTON | TRUSTEE (UNTIL 9/18/24) Trustee or director | 1 | $0 |
| SOL CARBONNELL | TRUSTEE (UNTIL 8/24/24) Trustee or director | 1 | $0 |
990 for the year ended June 30, 2024: 64 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| TIMOTHY RITCHIE | PRESIDENT Trustee or director, Officer | 40 | $513,881 | $19,609 |
| ANDREW J RUSSELL | CHIEF ADVANCEMENT OFFICER Key employee | 40 | $318,961 | $22,197 |
| SEVERINE J IMBERT DE SMIRNOFF | CHIEF OF STRATEGIC INITIATIVES Officer | 40 | $280,846 | $36,780 |
| TODD SPERRY | CHIEF MARKETING OFFICER Key employee | 40 | $296,295 | $15,833 |
| YUISA PREZ | CHIEF PEOPLE OFFICER Key employee | 40 | $231,215 | $33,426 |
| MIRIAM KRONBERG | CHIEF OF FINANCE Officer | 40 | $251,622 | $11,922 |
| THOMAS A CATALINI | AVP, IT Highest-paid employee | 40 | $227,789 | $12,033 |
| YASMINA M BLAISE | CFO Key employee | 40 | $212,325 | $12,697 |
| PAUL J IPPOLITO | VP, FACILITIES Highest-paid employee | 40 | $195,238 | $27,703 |
| ARA K TOMMEY | INTERIM, CHIEF ADVANCEMENT OFFICER Key employee | 40 | $213,907 | $2,439 |
| TIMOTHY J PORTER | INTERIM SVP LEARNING & RESEARCH Key employee | 40 | $198,267 | $15,668 |
| KARA J PETERSON | SR. DIR. INTEGRATED MARKETING COMMUNICATIONS Highest-paid employee | 40 | $177,452 | $33,355 |
| RACHEL T DEMASTER | DIRECTOR OF ADVANCEMENT EVENTS Highest-paid employee | 40 | $184,766 | $25,275 |
| INSOO HYUN | DIR, CTR. FOR LIFE SCIENCE Highest-paid employee | 40 | $178,044 | $31,261 |
| ALEXIS A BORISY | CHAIR Trustee or director, Officer | 1 | $0 | $0 |
| JUAN ENRIQUEZ | VICE-CHAIR Trustee or director, Officer | 1 | $0 | $0 |
| REBECCA S KANTAR | VICE-CHAIR Trustee or director, Officer | 1 | $0 | $0 |
| ADAM M KOPPEL | VICE-CHAIR Trustee or director, Officer | 1 | $0 | $0 |
| MARIA L KUSSMAUL | VICE-CHAIR Trustee or director, Officer | 1 | $0 | $0 |
| DAVID M ALTSHULER | TRUSTEE Trustee or director | 1 | $0 | $0 |
| LAUREN BAKER | TRUSTEE Trustee or director | 1 | $0 | $0 |
| CHRISTINE P BELLON | TRUSTEE Trustee or director | 1 | $0 | $0 |
| NILANJANA BHOWMIK | TRUSTEE Trustee or director | 1 | $0 | $0 |
| PRIYANKA J BOBBILI | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ABRAHAM N CEESAY | TRUSTEE Trustee or director | 1 | $0 | $0 |
| STACY L COWAN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MARCUS O P DEFLORIMONTE | TRUSTEE Trustee or director | 1 | $0 | $0 |
| BECKY DUSEAU | TRUSTEE Trustee or director | 1 | $0 | $0 |
| PAUL EGERMAN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| RANA EL KALIOUBY | TRUSTEE Trustee or director | 1 | $0 | $0 |
| GARY R GREGG | TRUSTEE Trustee or director | 1 | $0 | $0 |
| HELEN GREINER | TRUSTEE Trustee or director | 1 | $0 | $0 |
| LESLIE E GREIS | TRUSTEE Trustee or director | 1 | $0 | $0 |
| KRISTI J HUMMEL | TRUSTEE Trustee or director | 1 | $0 | $0 |
| GREGORY B JANEY | TRUSTEE Trustee or director | 1 | $0 | $0 |
| CIGALL KADOCH | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ANDREA KANEB | TRUSTEE Trustee or director | 1 | $0 | $0 |
| SEKAR KATHIRESAN | TRUSTEE (UNTIL 9/23) Trustee or director | 1 | $0 | $0 |
| WAYNE M KENNARD | TRUSTEE Trustee or director | 1 | $0 | $0 |
| KATE D LEVIN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| LEO X LIU | TRUSTEE Trustee or director | 1 | $0 | $0 |
| JOY LUCAS | TRUSTEE Trustee or director | 1 | $0 | $0 |
| IVANA MAGOVCEVIC-LIEBISCH | TRUSTEE Trustee or director | 1 | $0 | $0 |
| DEBBIE L MILLIN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| YIANNIS MONOVOUKAS | TRUSTEE Trustee or director | 1 | $0 | $0 |
| CHINH H PHAM | TRUSTEE Trustee or director | 1 | $0 | $0 |
| JAMES P ROSENFIELD | TRUSTEE Trustee or director | 1 | $0 | $0 |
| RUDY L RUGGLES III | TRUSTEE Trustee or director | 1 | $0 | $0 |
| NAVJOT SINGH | TRUSTEE Trustee or director | 1 | $0 | $0 |
| PAYSON SWAFFIELD | TRUSTEE Trustee or director | 1 | $0 | $0 |
| HARRIETT TEE TAGGART | TRUSTEE Trustee or director | 1 | $0 | $0 |
| SOPHIE V VANDEBROEK | TRUSTEE Trustee or director | 1 | $0 | $0 |
| PALLAVI VERMA | TRUSTEE Trustee or director | 1 | $0 | $0 |
| FENG ZHANG | TRUSTEE (UNTIL 10/23) Trustee or director | 1 | $0 | $0 |
| JEFFREY P JOHNSON | CORPORATION COUNSEL Trustee or director | 1 | $0 | $0 |
| LEILANI I GERMAIN | CHAIR, MUSEUM ADVISORS Trustee or director | 1 | $0 | $0 |
| JOYCE PLOTKIN | TRUSTEE (UNTIL 7/23) Trustee or director | 1 | $0 | $0 |
| PHIL JOHNSON | TRUSTEE (UNTIL 2/24) Trustee or director | 1 | $0 | $0 |
| JACQUELINE HAZAN | TRUSTEE (UNTIL 5/24) Trustee or director | 1 | $0 | $0 |
| ANJALI FEDSON HACK | TRUSTEE Trustee or director | 1 | $0 | $0 |
| BONAVENTURE AGATA | TRUSTEE Trustee or director | 1 | $0 | $0 |
| JARASA KANOK | TRUSTEE Trustee or director | 1 | $0 | $0 |
| IGNACIO MARTINEZ | TRUSTEE Trustee or director | 1 | $0 | $0 |
| PARISS CHANDLER | CHAIR, THE INNOVATORS Trustee or director | 1 | $0 | $0 |
990 for the year ended June 30, 2023: 65 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| TIMOTHY RITCHIE | PRESIDENT Trustee or director, Officer | 40 | $458,881 | $17,528 |
| TODD SPERRY | CHIEF MARKETING OFFICER Key employee | 40 | $297,045 | $15,133 |
| ANDREW J RUSSELL | CHIEF ADVANCEMENT OFFICER Key employee | 40 | $277,693 | $31,443 |
| CHRISTINE A REICH | CHIEF LEARNING OFFICER Key employee | 40 | $259,084 | $13,973 |
| SEVERINE J IMBERT DE SMIRNOFF | CHIEF OF STAFF Officer | 40 | $233,121 | $32,596 |
| YUISA PREZ | CHIEF PEOPLE OFFICER Key employee | 40 | $227,440 | $26,449 |
| HEATHER R GUNSALLUS | VP, STEM Highest-paid employee | 40 | $240,375 | $10,743 |
| PAUL J IPPOLITO | VP, FACILITIES AND BUILDING OPS Highest-paid employee | 40 | $194,553 | $28,227 |
| ZACHARY DOLLAR | SENIOR DIRECTOR, RELATIONS Highest-paid employee | 40 | $180,105 | $26,037 |
| KARA J PETERSON | SENIOR DIRECTOR, MARKETING Highest-paid employee | 40 | $170,781 | $30,988 |
| CAMERON F LOGAN PHD | CHIEF DIGITAL OFFICER Key employee | 40 | $198,016 | $3,209 |
| INSOO HYUN | DIR, CTR. FOR LIFE SCIENCES Highest-paid employee | 40 | $167,546 | $25,684 |
| YASMINA M BLAISE | SVP, FINANCE Officer | 40 | $167,724 | $8,030 |
| BRIAN J THERRIEN | SVP, FINANCE (UNTIL JULY 2022) Officer | 40 | $154,287 | $9,383 |
| ALEXIS A BORISY | CHAIR Trustee or director, Officer | 1 | $0 | $0 |
| JUAN ENRIQUEZ | VICE-CHAIR Trustee or director, Officer | 1 | $0 | $0 |
| REBECCA S KANTAR | VICE-CHAIR Trustee or director, Officer | 1 | $0 | $0 |
| ADAM M KOPPEL | VICE-CHAIR Trustee or director, Officer | 1 | $0 | $0 |
| MARIA L KUSSMAUL | VICE-CHAIR Trustee or director, Officer | 1 | $0 | $0 |
| DAVID M ALTSHULER | TRUSTEE Trustee or director | 1 | $0 | $0 |
| LAUREN BAKER | TRUSTEE Trustee or director | 1 | $0 | $0 |
| CHRISTINE P BELLON | TRUSTEE Trustee or director | 1 | $0 | $0 |
| NILANJANA BHOWMIK | TRUSTEE Trustee or director | 1 | $0 | $0 |
| PRIYANKA J BOBBILI | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ABRAHAM N CEESAY | TRUSTEE Trustee or director | 1 | $0 | $0 |
| STACY L COWAN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MARCUS O P DEFLORIMONTE | TRUSTEE Trustee or director | 1 | $0 | $0 |
| BECKY DUSEAU | TRUSTEE Trustee or director | 1 | $0 | $0 |
| PAUL EGERMAN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| RANA EL KALIOUBY | TRUSTEE Trustee or director | 1 | $0 | $0 |
| GRETCHEN S FISH | TRUSTEE Trustee or director | 1 | $0 | $0 |
| GARY R GREGG | TRUSTEE Trustee or director | 1 | $0 | $0 |
| HELEN GREINER | TRUSTEE Trustee or director | 1 | $0 | $0 |
| LESLIE E GREIS | TRUSTEE Trustee or director | 1 | $0 | $0 |
| KRISTI J HUMMEL | TRUSTEE Trustee or director | 1 | $0 | $0 |
| GREGORY B JANEY | TRUSTEE Trustee or director | 1 | $0 | $0 |
| CIGALL KADOCH | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ANDREA KANEB | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ALEXANDER T KARNAL | TRUSTEE Trustee or director | 1 | $0 | $0 |
| SEKAR KATHIRESAN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| WAYNE M KENNARD | TRUSTEE Trustee or director | 1 | $0 | $0 |
| KATE D LEVIN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| LEO X LIU | TRUSTEE Trustee or director | 1 | $0 | $0 |
| JOY LUCAS | TRUSTEE Trustee or director | 1 | $0 | $0 |
| IVANA MAGOVCEVIC-LIEBISCH | TRUSTEE Trustee or director | 1 | $0 | $0 |
| KURT MELDEN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| DEBBIE L MILLIN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| YIANNIS MONOVOUKAS | TRUSTEE Trustee or director | 1 | $0 | $0 |
| ALISON NOLAN | TRUSTEE Trustee or director | 1 | $0 | $0 |
| CHINH H PHAM | TRUSTEE Trustee or director | 1 | $0 | $0 |
| JAMES P ROSENFIELD | TRUSTEE Trustee or director | 1 | $0 | $0 |
| RUDY L RUGGLES III | TRUSTEE Trustee or director | 1 | $0 | $0 |
| NAVJOT SINGH | TRUSTEE Trustee or director | 1 | $0 | $0 |
| PAYSON SWAFFIELD | TRUSTEE Trustee or director | 1 | $0 | $0 |
| HARRIETT TEE TAGGART | TRUSTEE Trustee or director | 1 | $0 | $0 |
| SOPHIE V VANDEBROEK | TRUSTEE Trustee or director | 1 | $0 | $0 |
| PALLAVI VERMA | TRUSTEE Trustee or director | 1 | $0 | $0 |
| JAMES F WADE | TRUSTEE Trustee or director | 1 | $0 | $0 |
| GWILL ELAINE YORK | TRUSTEE Trustee or director | 1 | $0 | $0 |
| FENG ZHANG | TRUSTEE Trustee or director | 1 | $0 | $0 |
| J TIMOTHY DELANEY | CHAIR, MUSEUM ADVISORS Trustee or director | 1 | $0 | $0 |
| JEFFREY P JOHNSON | CORPORATION COUNSEL Trustee or director | 1 | $0 | $0 |
| STEVEN C KNAPP | PRES., VOL. SVC. LEAGUE Trustee or director | 1 | $0 | $0 |
| LEILANI I GERMAIN | CHAIR, THE INNOVATORS Trustee or director | 1 | $0 | $0 |
| MIRIAM KRONBERG | CFO (AS OF MARCH '23) Officer | 40 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 1 SCIENCE PARK, BOSTON, MA 02114-1000
- In care of
- % BRIAN THERRIEN
- Principal officer (990 for 2024)
- TIM RITCHIE, 1 SCIENCE PARK, BOSTON, MA 02114
- Signed the 990
- YASMINA BLAISE, CFO
- Phone
- (617) 723-2500
- Website
- WWW.MOS.ORG
- Return prepared by
- CBIZ ADVISORS LLC
Mission
THE MISSION OF THE MUSEUM OF SCIENCE IS TO INSPIRE A LIFELONG LOVE OF SCIENCE IN EVERYONE. THROUGH EXHIBITS, CURRICULA, PROGRAMS, AND EVENTS, BOTH LIVE AND VIRTUAL, WE AIM TO MAKE SCIENCE AND SCIENTIFIC THINKING ACCESSIBLE, ENGAGING, AND RELEVANT. WE COLLABORATE ACROSS DISCIPLINES TO HELP PEOPLE EVERYWHERE SEE AND APPRECIATE THE SCIENCE IN EVERYTHING. OUR VISION IS A WORLD IN WHICH SCIENCE BELONGS TO EACH OF US FOR THE GOOD OF ALL OF US.
Program accomplishments
- EXHIBITS INCLUDE OVER 900 STANDING EXHIBITS, HOUSED IN 132,000 SQ FT OF GALLERY AND RELATED SPACE, PROVIDING HANDS-ON EXPERIENCES IN ALL AREAS OF SCIENCE, TECHNOLOGY, AND THEIR SOCIAL IMPACT. THE MUSEUM CREATES PERMANENT AND TRAVELLING EXHIBITS BOTH ON ITS OWN AND IN COLLABORATION WITH OTHER INSTITUTIONS, AND IS ONE OF LEADERSHIP PARTNERS IN THE NATIONAL INFORMAL STEM EDUCATION NETWORK (NISENET), A NETWORK OF APPROXIMATELY 600 MUSEUMS, COLLEGES/UNIVERSITIES, LIBRARIES, SCIENTIFIC PROFESSIONAL ORGANIZATIONS, AND RESEARCH INSTITUTIONS WHICH CREATES AND SHARES EXHIBITS AND PROGRAMS RELATING TO IMPORTANT CURRENT SCIENCE AND TECHNOLOGY TOPICS. A MUSEUM-PRODUCED TRAVELING EXHIBIT CALLED THE SCIENCE BEHIND PIXAR HIGHLIGHTS THE MATH AND SCIENCE SKILLS PIXAR FILMMAKERS USE IN BRINGING THEIR FILMS TO LIFE. TWO COPIES OF THIS EXHIBIT ARE CURRENTLY TOURING OTHER US AND INTERNATIONAL MUSEUMS. THE MUSEUM ALSO HOSTS TRAVELING EXHIBITS PRODUCED BY OTHER INSTITUTIONS. TRAVELING EXHIBITS HOSTED BY THE MUSEUM THIS YEAR INCLUDED: THE SCIENCE BEHIND PIXAR WHICH CLOSED IN SEPT 2021; RESILIENT VENICE; NE CLIMATE STORIES; ALL ABOARD! TRAINS AT SCIENCE PARK; EMOTIONS AT PLAY WITH PIXAR'S INSIDE OUT; GAIA EARTH GLOBE; ELECTRIC PLAYHOUSE TRAVELS.Expenses $18,611,486 · grants $13,100 · revenue $804,241
- PUBLIC PROGRAMS INCLUDE EXHIBIT INTERPRETATION, LECTURE SERIES, LIVE ANIMAL DEMONSTRATIONS (THE MUSEUM IS ACCREDITED BY THE ASSOCIATION OF ZOOS AND AQUARIUMS), PHYSICAL SCIENCE DEMONSTRATIONS, LIGHTNING SHOWS IN THE THOMSON THEATER OF ELECTRICITY, SPECIAL EVENTS, DEMONSTRATIONS AND PODCASTS RELATING TO TOPICS OF CURRENT SCIENCE AND TECHNOLOGY, HANDS-ON DESGN CHALLENGES. (906,900 ONSITE VISITORS AND ONLINE VISITORS SERVED.)Expenses $14,001,559 · grants $430,676 · revenue $10,082,275
- THEATERS INCLUDE THE CHARLES HAYDEN PLANETARIUM, OFFERING PRESENTATIONS, EVENTS, AND DEMONSTRATIONS OF ASTRONOMY AND SPACE SCIENCE TOPICS, CURRENT DISCOVERIES, AND OTHER SCIENCE/TECHNOLOGY-INSPIRED PROGRAMMING. THE MUGAR OMNI THEATER, THE LARGEST DOMED IMAX THEATER IN NEW ENGLAND, OFFERS DIGITAL DOCUMENTARY AND SCIENCE-FICTION INSPIRED FILMS AND PRESENTATIONS, WHILE A SMALLER 4-D THEATER OFFERS SHORT 3-D FILMS ON A RANGE OF SCIENCE AND NATURE TOPICS AUGMENTED BY SENSORY EFFECTS SUCH AS WIND, MIST, AND SMELL. PLANETARIUM SHOWS THIS YEAR INCLUDED: BIG BIRD'S ADVENTURE: ONE WORLD, ONE SKY; DESTINATION MARS: THE NEW FRONTIER; FROM DREAM TO DISCOVERY: INSIDE NASA; EXPLORE OUR CHANGING EARTH; EXPLORE THE UNIVERSE; MOONS: WORLDS OF MYSTERY; UNDISCOVERED WORLDS: THE SEARCH BEYOND OUR SUN; THE BEYONCE EXPERIENCE; THE FLEETWOOD MAC EXPERIENCE; PINK FLOYD: THE WALL; THE PRINCE EXPERIENCE; THE RADIOHEAD EXPERIENCE IMAX FILMS INCLUDED: ANCIENT CAVES; BACK FROM THE BRINK: SAVED FROM EXTINCTION; ROCKY MOUNTAIN EXPRESS; SUPERPOWER DOGS. OMNI SCI-FI FILMS: DUNE; MATRIX: RESURRECTIONS 4D THEATER FILMS INCLUDED: SHARKS: A 4-D EXPERIENCE; ICE WORLDS: 4D; PENGUINS: 4D; POLAR EXPRESS: 4D; SPLASH & BUBBLES: 4D; THOMAS: 4D (465,900 THEATER VISITORS SERVED)Expenses $7,765,515 · grants $18,221 · revenue $2,298,575
- SERVICES PROVIDED PRIMARILY FOR THE BENEFIT OF OUR MEMBERS INCLUDE OUR PARKING FACILITY, MEMBERSHIP OFFICE, AND GIFT SHOP. (32,885 MEMBER HOUSEHOLDS)Expenses $6,319,094 · grants $78,790 · revenue $4,840,370
- EDUCATION PROGRAMS INCLUDE FIELD TRIPS PROGRAMS FOR SCHOOL GROUPS, CURRICULUM MATERIALS UNDER OUR EIE. THE MUSEUM IS PART OF AN AWARD-WINNING DIVISION, EIE, THAT DEVELOPS FOUNDATIONAL SKILLS IN SCIENCE, TECHNOLOGY, ENGINEERING, AND MATHEMATICS (STEM) SUBJECTS FOR ALL STUDENTS. THE RESEARCH-BASED, HANDS-ON CURRICULA ARE DESIGNED TO BEST INNOVATE FOR THE REALITY OF TODAY'S EDUCATIONAL LANDSCAPE AND TO ENGAGE ALL STUDENTS. RECENTLY MOS PARTNERED WITH KAHOOT TO CREATE EXCITING, ENGAGING AND FUN LEARNING EXPERIENCES FOR LEARNERS GRADES 1-8. SINCE ITS INCEPTION, EIE HAS REACHED AN ESTIMATED 20 MILLION STUDENTS AND 200,000 EDUCATORS IN ALL 50 STATES.Expenses $5,679,672 · grants $536,260 · revenue $3,608,735
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
- 04-2103916
- 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
- 1993
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Arts, culture and humanities (A570)
- Assets (IRS master file)
- $519,926,742
- Income (IRS master file)
- $119,597,022
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $56,491,241 | $71,038,825 | $519,926,742 | IRS |
| 990-T | June 2025 | – | – | – | IRS |
| 990 | June 2024 | $211,850,719 | $67,836,371 | $512,816,312 | IRS |
| 990-T | June 2024 | – | – | – | IRS |
| 990 | June 2023 | $72,506,770 | $66,023,873 | $356,576,389 | XML |
| 990-T | June 2023 | – | – | – | IRS |
| 990 | June 2022 | $71,466,361 | $58,555,016 | $344,840,843 | 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 04-2103916).
Questions about MUSEUM OF SCIENCE
- What is the EIN of MUSEUM OF SCIENCE?
- The employer identification number (EIN) of MUSEUM OF SCIENCE is 04-2103916.
- Is MUSEUM OF SCIENCE tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1993.
- Are donations to MUSEUM OF SCIENCE tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does MUSEUM OF SCIENCE 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 MUSEUM OF SCIENCE 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 MUSEUM OF SCIENCE 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 MUSEUM OF SCIENCE?
- The 990 for the year ended June 30, 2025 names TIM RITCHIE.
- Who are the officers and directors of MUSEUM OF SCIENCE?
- The 990 for the year ended June 30, 2025 lists 66 people; 15 received compensation from the organization, the highest $508,661 (TIMOTHY RITCHIE, PRESIDENT).
- How much revenue does MUSEUM OF SCIENCE have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $56,491,241, expenses of $71,038,825 and total assets of $519,926,742 at year end.
Other nonprofits in BOSTON
- MUSEUM OF FINE ARTS EIN 04-2103607 · last filed 990 for 2025
- BOSTON SYMPHONY ORCHESTRA INC EIN 04-2103550 · last filed 990 for 2025
- BOSTON BALLET INC EIN 04-2312734 · last filed 990 for 2025
- ISABELLA STEWART GARDNER MUSEUM INC EIN 04-2104334 · last filed 990 for 2025
- FACING HISTORY & OURSELVES INC EIN 04-2761636 · last filed 990 for 2025
- INSTITUTE OF CONTEMPORARY ART EIN 04-2104327 · last filed 990 for 2025
- HUNTINGTON THEATRE COMPANY INC EIN 22-2659560 · last filed 990 for 2025
- THE CHILDRENS MUSEUM EIN 04-2103993 · last filed 990 for 2025
All nonprofits in BOSTON · Massachusetts · Arts, culture and humanities