Nonprofit · EIN 94-1719649
MARINE SCIENCE INSTITUTE
Tax-exempt · REDWOOD CITY, CA 94063
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| August 31, 2025 | 990 | $2,806,833 | $2,857,828 | -$50,995 | $5,376,014 | $260,404 | $5,115,610 |
| August 31, 2024 | 990 | $3,288,320 | $2,551,035 | $737,285 | $5,387,314 | $219,610 | $5,167,704 |
| August 31, 2023 | 990 | $3,731,525 | $2,345,758 | $1,385,767 | $4,623,060 | $192,641 | $4,430,419 |
Financial details: 990 for the year ended August 31, 2025
Revenue
- Contributions, gifts and grants
- $595,749
- of which government grants
- $194,944
- Membership dues
- $55,680
- Program service revenue
- $1,740,800
- Investment income
- $0
- Other revenue
- $470,284
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $148,262
- Other salaries and wages
- $1,560,609
- Salaries, compensation and benefits (total)
- $1,930,590
- Professional fundraising fees
- $0
- Legal fees
- $17,429
- Accounting fees
- $15,300
- Occupancy
- $52,077
- Travel
- $88,873
- Depreciation
- $271,167
- Program services (functional)
- $2,147,723
- Management and general (functional)
- $404,755
- Fundraising (functional)
- $305,350
Balance sheet and other
- Total assets, start of year
- $5,387,314
- Total assets, end of year
- $5,376,014
- Total liabilities, end of year
- $260,404
- Net assets, end of year
- $5,115,610
- Land, buildings and equipment
- $2,961,858
- Publicly traded securities
- $952,037
- Net assets without donor restrictions
- $3,905,611
- Net assets with donor restrictions
- $1,209,999
- Gross receipts
- $2,806,833
- Employees
- 45
- Year formed
- 1970
- 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 August 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MARILOU SELF | EMPLOYEE Trustee or director, Highest-paid employee | 40 | $148,262 |
| TIM DAVIS | SECRETARY Trustee or director | 1 | $0 |
| JAMES ROBERTS | CFO Trustee or director | 5 | $0 |
| JACK SPALLINO | DIRECTOR Trustee or director | 1 | $0 |
| TUAN NGUYEN | DIRECTOR Trustee or director | 2 | $0 |
| WILL CHEUNG | DIRECTOR Trustee or director | 1 | $0 |
| VICTORIA HUNTER | DIRECTOR Trustee or director | 1 | $0 |
| LAURA BAJUK | DIRECTOR Trustee or director | 3 | $0 |
| SYED ARIJ | DIRECTOR Trustee or director | 1 | $0 |
| NEERAJ PENDSE | DIRECTOR Trustee or director | 1 | $0 |
| CLARK MONEY | BOARD CHAIR Officer | 5 | $0 |
990 for the year ended August 31, 2024: 12 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Marilou Seiff | Executive Director Officer | 40 | $129,091 |
| Clark Money | Board Chair Trustee or director | 5 | $0 |
| Tim Davis | Secretary Trustee or director | 1 | $0 |
| James Roberts | Treasurer/CFO Trustee or director | 5 | $0 |
| Julian Osinski | Board Director Trustee or director | 1 | $0 |
| Jack Spallino | Board Director Trustee or director | 1 | $0 |
| Tuan Nguyen | Board Director Trustee or director | 2 | $0 |
| Will Cheung | Board Director Trustee or director | 1 | $0 |
| Victoria Hunter | Board Director Trustee or director | 1 | $0 |
| Laura Bajuk | Board Director Trustee or director | 3 | $0 |
| Syed Arij | Board Director Trustee or director | 1 | $0 |
| Neeraj Pendse | Board Director Trustee or director | 1 | $0 |
990 for the year ended August 31, 2023: 12 people
| Name | Title | Hours / week | Compensation | From related orgs |
|---|---|---|---|---|
| Marilou Seiff | Executive Director Officer | 40 | $119,805 | $9,131 |
| Clark Money | Board Chair Trustee or director | 5 | $0 | $0 |
| Tim Davis | Secretary Trustee or director | 1 | $0 | $0 |
| James Roberts | Treasurer/CFO Trustee or director | 5 | $0 | $0 |
| Julian Osinski | Board Director Trustee or director | 1 | $0 | $0 |
| Jack Spallino | Board Director Trustee or director | 1 | $0 | $0 |
| Tuan Nguyen | Board Director Trustee or director | 2 | $0 | $0 |
| Will Cheung | Board Director Trustee or director | 1 | $0 | $0 |
| Victoria Whitehill | Board Director Trustee or director | 1 | $0 | $0 |
| Laura Bajuk | Board Director Trustee or director | 3 | $0 | $0 |
| Syed Arij | Board Director Trustee or director | 1 | $0 | $0 |
| Neeraj Pendse | Board Director Trustee or director | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 500 DISCOVERY PKWY, REDWOOD CITY, CA 94063-4746
- In care of
- % JAMES ROBERTS
- Signed the 990
- JAMES ROBERTS, CFO
- Phone
- (650) 364-2760
- Return prepared by
- GALLAGHER GATEWOOD
California records
California keeps its own records of charities and corporations. Search them by EIN 94-1719649 or by the name MARINE SCIENCE INSTITUTE.
- Attorney General, Registry of Charities and Fundraisers
- Registration status and filed reports (CT-TR-1, RRF-1)
- Secretary of State, bizfile Online
- Corporation status, entity number, agent for service
- Franchise Tax Board
- Entity status letter (state tax exemption, good standing)
Mission
MSI MISSION IS TO CULTIVATE A RESPONSIILITY FOR THE NATURAL ENVIRONMENT AND OUR HUMAN COMMUNITIES THROUGH INTERDISCIPLINARY SCIENCE EDUCATION
Program accomplishments
- DISCOVERY VOYAGE - THIS PROGRAM PRIMARILY CONSISTS OF FOUR HOUR EXPEDITIONS OF HTE SAN FRANCISCO BAY ABOARD THE 90 FOOT RESEARCH VESSEL. THE RV ROBERT G BROWNLEE AND DISCOVER THE LIFE IN THE ESTUARY AND HOW WE ARE CONNECTED TO IT. STUDENTS ROTATE THROUGH OUR 4 STATIONS USING SCIENTIFIC METHODS AND EQUIPMENT TO EXAMINE DIFFERENT TYPES OF LIFE. MARINE CAMP THIS IS A SUMMER DAY CAMP FOR CHILDEREN THAT RUNDS FOR 9 WEEKS, 5 DAYS PER WEEK AND 7 HOURS PER DAY FROM JUNE TO AUGUST. CAMPERS SIGN UP FOR WEEKLY SESSIONS. THE PROGRAM DEVELOPS CAMPERS CURIOUSITY AND ENTHUSIASM FOR LEARNING ABOUT AND CARING FOR THE ENVIRONMENT. LED BY OUR EXPERIENCED SCIENCE INSTRUCTORS CAMPERS DISCOVER LOCAL HABITATS AND ANIMALS AT OUR REDWOOD CITY SITE AND THROUGH FIELD TRIPS ACROSS THE BAY AREAS INCLUDING A DAY LONG TRIP ABOARD OUR RESEARCH VESSEL THE ROBERT G BROWNLEE. LAND PROGRAMMING THESE PROGRAMS CONSIST OF A VARIETY OF INDOOR AND OUTDOOR EDUCATIONAL ACTIVITIES THAT TAKE PLACE AT OUR FACILITIES IN REDWOOD CITY, SCHOOL CAMPUSES, AND OTHER LOCATIONS. STUDENTS LEARN ABOUT LOCAL MARINE ENVIRONMENTS AND THE ORGANISMS THAT LIVE IN THEM THROUG A COMBINATION OF HANDS ON INVESTIGATION AND INQUIRY BASED LEARNING ACTIVITIES. THEY INTERACT WITH ARTIFACTS AND LIVE ANIMALS WHILE DEVELOPING TEAMWORK AND CRITICAL THINKING SKILLS.Expenses $2,147,723
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 August, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | August 31, 2026 | January 15, 2027 | Not due yet |
| 2024 | August 31, 2025 | January 15, 2026 | 990 on file |
| 2023 | August 31, 2024 | January 15, 2025 | 990 on file |
IRS record
- EIN
- 94-1719649
- 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
- 1971
- Accounting year ends
- August
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $5,376,014
- Income (IRS master file)
- $2,806,833
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | August 2025 | $2,806,833 | $2,857,828 | $5,376,014 | XML |
| 990 | August 2024 | $3,288,320 | $2,551,035 | $5,387,314 | XML |
| 990 | August 2023 | $3,731,525 | $2,345,758 | $4,623,060 | XML |
| 990 | August 2022 | $2,372,254 | $1,891,987 | $3,320,388 | IRS |
| 990 | August 2021 | – | – | – | IRS |
| 990 | August 2020 | – | – | – | IRS |
| 990 | August 2019 | – | – | – | IRS |
| 990 | August 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 94-1719649).
Questions about MARINE SCIENCE INSTITUTE
- What is the EIN of MARINE SCIENCE INSTITUTE?
- The employer identification number (EIN) of MARINE SCIENCE INSTITUTE is 94-1719649.
- Is MARINE SCIENCE INSTITUTE tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1971.
- Are donations to MARINE SCIENCE INSTITUTE tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does MARINE SCIENCE INSTITUTE 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 MARINE SCIENCE INSTITUTE due?
- The return for tax year 2025 (the year ending August 31, 2026) is due January 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did MARINE SCIENCE INSTITUTE last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended August 2025.
- Who are the officers and directors of MARINE SCIENCE INSTITUTE?
- The 990 for the year ended August 31, 2025 lists 11 people; 1 received compensation from the organization, the highest $148,262 (MARILOU SELF, EMPLOYEE).
- How much revenue does MARINE SCIENCE INSTITUTE have?
- On its 990 for the year ended August 31, 2025 it reported revenue of $2,806,833, expenses of $2,857,828 and total assets of $5,376,014 at year end.
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