Nonprofit · EIN 43-1496632
ST LOUIS SCIENCE CENTER FOUNDATION
Tax-exempt · SAINT LOUIS, MO 63110
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $10,815,081 | $9,659,434 | $1,155,647 | $55,151,728 | $7,879,668 | $47,272,060 |
| December 31, 2024 | 990 | $8,144,810 | $5,870,873 | $2,273,937 | $54,319,780 | $8,223,442 | $46,096,338 |
| December 31, 2023 | 990 | $7,769,767 | $5,696,809 | $2,072,958 | $52,555,734 | $9,003,887 | $43,551,847 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $4,852,762
- Membership dues
- $1,218,765
- Program service revenue
- $5,015,419
- Investment income
- $1,083,316
- Net rental income
- -$39,901
- Net gain from sales of assets
- $518,197
- Net income from fundraising events
- -$96,515
- Other revenue
- -$136,416
Expenses
- Grants and similar amounts paid
- $4,042,700
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Legal fees
- $2,142
- Travel
- $32,767
- Depreciation
- $1,930,627
- Program services (functional)
- $7,405,448
- Management and general (functional)
- $513,336
- Fundraising (functional)
- $1,740,650
Balance sheet and other
- Total assets, start of year
- $54,319,780
- Total assets, end of year
- $55,151,728
- Total liabilities, end of year
- $7,879,668
- Net assets, end of year
- $47,272,060
- Land, buildings and equipment
- $29,653,837
- Publicly traded securities
- $3,330,709
- Net assets without donor restrictions
- $42,599,386
- Net assets with donor restrictions
- $4,672,674
- Gross receipts
- $13,261,701
- Employees
- 0
- Volunteers
- 28
- Year formed
- 1988
- State of legal domicile
- MO
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 | From related orgs | Other / benefits |
|---|---|---|---|---|---|
| RAY VANDIVER | PRESIDENT / CEO (AS OF 2/25) Trustee or director, Officer | 1 | $0 | $348,260 | $25,181 |
| REBECCA THOMPSON | CHIEF SCIENCE AND EDUCATION Highest-paid employee | 1 | $0 | $258,994 | $17,593 |
| BOBBY SANDERSON | CHIEF INST. ADVANCEMENT OFFICER Highest-paid employee | 1 | $0 | $235,478 | $24,866 |
| MARY BETH KASTNER | CFO & ASSISTANT TREASURER Officer | 1 | $0 | $223,165 | $33,274 |
| TODD BASTEAN | PRESIDENT / CEO (THRU 4/25) Trustee or director, Officer | 1 | $0 | $162,742 | $20,599 |
| PHILIP LEACHMAN | MANAGING DIRECTOR, OPERATIONS Highest-paid employee | 1 | $0 | $161,636 | $18,072 |
| MARK JOHNSON | MANAGING DIRECTOR OF FINANCE Highest-paid employee | 1 | $0 | $153,464 | $20,613 |
| MINDY PIERCE | MANAGING DIRECTOR, MARKETING & COMM. Highest-paid employee | 1 | $0 | $136,856 | $23,390 |
| MARK WRIGHTON | CHAIRMAN Trustee or director, Officer | 1 | $0 | $0 | $0 |
| MIKE BAUGHMAN | TREASURER Trustee or director, Officer | 1 | $0 | $0 | $0 |
| KELVIN ADAMS | SECRETARY (AS OF 1/25) Trustee or director, Officer | 1 | $0 | $0 | $0 |
990 for the year ended December 31, 2024: 10 people
| Name | Title | Hours / week | Compensation | From related orgs | Other / benefits |
|---|---|---|---|---|---|
| TODD BASTEAN | PRESIDENT / CEO Trustee or director, Officer | 1 | $0 | $440,277 | $36,133 |
| MARY BETH KASTNER | CFO & ASSISTANT TREASURER Officer | 1 | $0 | $217,192 | $43,789 |
| BOBBY SANDERSON | CHIEF INST. ADVANCEMENT OFFICER Highest-paid employee | 1 | $0 | $228,793 | $24,826 |
| MARK JOHNSON | MANAGING DIRECTOR OF FINANCE Highest-paid employee | 1 | $0 | $146,850 | $19,150 |
| DEBORAH WASHINGTON | MANAGING DIRECTOR OF STAFF RELATIONS Highest-paid employee | 1 | $0 | $138,567 | $21,925 |
| JACKIE MOLLET | MANAGING DIRECTOR OF GUEST SERVICES Highest-paid employee | 1 | $0 | $138,027 | $21,550 |
| REBECCA THOMPSON | CHIEF SCIENCE AND EDUCATION OFFICER Highest-paid employee | 1 | $0 | $150,211 | $6,995 |
| MARK WRIGHTON | CHAIRMAN Trustee or director, Officer | 1 | $0 | $0 | $0 |
| MIKE BAUGHMAN | TREASURER Trustee or director, Officer | 1 | $0 | $0 | $0 |
| JOSHUA RANDALL | SECRETARY Trustee or director, Officer | 1 | $0 | $0 | $0 |
990 for the year ended December 31, 2023: 9 people
| Name | Title | Hours / week | Compensation | From related orgs | Other / benefits |
|---|---|---|---|---|---|
| TODD BASTEAN | PRESIDENT / CEO Trustee or director, Officer | 1 | $0 | $450,335 | $24,960 |
| MARY BETH KASTNER | CFO & ASSISTANT TREASURER Officer | 1 | $0 | $207,503 | $21,822 |
| RONALD SCHULTZ | MANAGING DIRECTOR OF OPERATIONS Highest-paid employee | 1 | $0 | $138,382 | $29,645 |
| MARK JOHNSON | MANAGING DIRECTOR OF FINANCE Highest-paid employee | 1 | $0 | $136,180 | $22,883 |
| DEBORAH WASHINGTON | MANAGING DIRECTOR OF STAFF RELATIONS Highest-paid employee | 1 | $0 | $134,116 | $17,975 |
| JACKIE MOLLET | MANAGING DIRECTOR OF GUEST SERVICES Highest-paid employee | 1 | $0 | $119,568 | $30,136 |
| TERRY EDNEY | MANAGING DIRECTOR Highest-paid employee | 1 | $0 | $129,446 | $16,868 |
| MARK BULANDA | CHAIRMAN Trustee or director, Officer | 1 | $0 | $0 | $0 |
| JOSHUA RANDALL | SECRETARY Trustee or director, Officer | 1 | $0 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 5050 OAKLAND AVE, SAINT LOUIS, MO 63110-1404
- Principal officer (990 for 2025)
- RAY VANDIVER, 5050 OAKLAND AVENUE, ST LOUIS, MO 63110
- Signed the 990
- RAY VANDIVER, PRESIDENT AND CEO
- Phone
- (314) 289-4400
- Website
- WWW.SLSC.ORG
- Return prepared by
- RUBINBROWN LLP
Mission
SUPPORT THE ST. LOUIS SCIENCE CENTER AND ITS COMPREHENSIVE ARRAY OF EDUCATIONAL OUTREACH PROGRAMS TO THE COMMUNITY IN ORDER TO INCREASE INTEREST, UNDERSTANDING AND ENTHUSIASM FOR STEM (SCIENCE, TECHNOLOGY, ENGINEERING AND MATHEMATICS).
Program accomplishments
- THE SAINT LOUIS SCIENCE CENTER FOUNDATION PROVIDES FACILITIES AND DIRECT FINANCIAL SUPPORT FOR THE OPERATIONS OF THE SAINT LOUIS SCIENCE CENTER. EACH YEAR, THE FOUNDATION SECURES CONTRIBUTED REVENUE TO SUPPORT THE SCIENCE CENTER'S MISSION TO INSPIRE EVERYONE TO BE CURIOUS AND ENGAGED IN SCIENCE. WELCOMING MORE THAN 640,000 GUESTS ANNUALLY, THE SCIENCE CENTER OFFERS DYNAMIC, ACCESSIBLE PROGRAMMING FOR LEARNERS OF ALL AGES INCLUDING HUNDREDS OF INTERACTIVE EXHIBITS, EARLY CHILDHOOD EDUCATION, TEEN INITIATIVES LIKE YOUTH EXPLORING SCIENCE, AND COMMUNITY OUTREACH PROGRAMS SUCH AS STL FOR ALL. SIGNATURE PROGRAMS LIKE SCIFEST, ESPORTS ENRICHMENT, AND SUMMERTIME SCIENCE CAMPS FOSTER HANDS-ON STEM LEARNING.CONTINUED ON SCHEDULE OANCHORED BY DESTINATIONS LIKE THE JAMES S. MCDONNELL PLANETARIUM AND THE OMNIMAX THEATER, THE SCIENCE CENTER SERVES AS A VITAL REGIONAL HUB FOR SCIENCE EDUCATION AND ENGAGEMENT.Expenses $7,405,448 · grants $4,042,700 · revenue $5,015,419
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
- 43-1496632
- 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
- 1989
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Science and technology (U20)
- Assets (IRS master file)
- $55,151,728
- Income (IRS master file)
- $13,261,701
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $10,815,081 | $9,659,434 | $55,151,728 | XML |
| 990 | December 2024 | $8,144,810 | $5,870,873 | $54,319,780 | IRS |
| 990 | December 2023 | $7,769,767 | $5,696,809 | $52,555,734 | XML |
| 990 | December 2022 | $11,081,845 | $12,755,229 | $51,985,774 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2019 | – | – | – | 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 43-1496632).
Questions about ST LOUIS SCIENCE CENTER FOUNDATION
- What is the EIN of ST LOUIS SCIENCE CENTER FOUNDATION?
- The employer identification number (EIN) of ST LOUIS SCIENCE CENTER FOUNDATION is 43-1496632.
- Is ST LOUIS SCIENCE CENTER FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1989.
- Are donations to ST LOUIS SCIENCE CENTER FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does ST LOUIS SCIENCE CENTER FOUNDATION 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 ST LOUIS SCIENCE CENTER FOUNDATION 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 ST LOUIS SCIENCE CENTER FOUNDATION 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 ST LOUIS SCIENCE CENTER FOUNDATION?
- The 990 for the year ended December 31, 2025 names RAY VANDIVER.
- Who are the officers and directors of ST LOUIS SCIENCE CENTER FOUNDATION?
- The 990 for the year ended December 31, 2025 lists 11 people; 0 received compensation from the organization.
- How much revenue does ST LOUIS SCIENCE CENTER FOUNDATION have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $10,815,081, expenses of $9,659,434 and total assets of $55,151,728 at year end.
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All nonprofits in SAINT LOUIS · Missouri · Science and technology