Nonprofit · EIN 84-1677611
ASPEN SCIENCE CENTER
Tax-exempt · ASPEN, CO 81612
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $592,057 | $599,900 | -$7,843 | $133,648 | $13,228 | $120,420 |
| December 31, 2024 | 990 | $486,622 | $454,113 | $32,509 | $142,139 | $13,876 | $128,263 |
| December 31, 2023 | 990 | $327,180 | $292,594 | $34,586 | $102,166 | $6,412 | $95,754 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $339,421
- of which government grants
- $37,760
- Program service revenue
- $251,542
- Investment income
- $292
- Net income from sales of inventory
- $802
- Other revenue
- $802
Expenses
- Grants and similar amounts paid
- $0
- Other salaries and wages
- $391,542
- Salaries, compensation and benefits (total)
- $448,860
- Professional fundraising fees
- $0
- Legal fees
- $1,655
- Accounting fees
- $15,331
- Occupancy
- $39,957
- Travel
- $46,026
- Program services (functional)
- $505,006
- Management and general (functional)
- $56,410
- Fundraising (functional)
- $38,484
Balance sheet and other
- Total assets, start of year
- $142,139
- Total assets, end of year
- $133,648
- Total liabilities, end of year
- $13,228
- Net assets, end of year
- $120,420
- Net assets without donor restrictions
- $120,420
- Gross receipts
- $592,057
- Employees
- 42
- Volunteers
- 19
- Year formed
- 2005
- State of legal domicile
- CO
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 |
|---|---|---|---|---|
| ALEX TARIKA | EXECUTIVE DIRECTOR Trustee or director, Officer | 30 | $52,936 | $3,235 |
| WILLIAM TURNER | CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| DAVID HEIL | PRESIDENT/TREASURER Trustee or director, Officer | 6 | $0 | $0 |
| CHARLES CUNNIFFE FAIA | DIRECTOR Trustee or director | 1 | $0 | $0 |
| ELENA MARQUEZ PHD | DIRECTOR Trustee or director | 1 | $0 | $0 |
| ELIZABETH MEADOR PHD | DIRECTOR Trustee or director | 1 | $0 | $0 |
| MARK MUNGER | DIRECTOR Trustee or director | 1 | $0 | $0 |
| ANDREI RUCKENSTEIN PHD | DIRECTOR Trustee or director | 1 | $0 | $0 |
| HARRY TEAGUE AIA | DIRECTOR Trustee or director | 1 | $0 | $0 |
| DUNCAN WELLS MD | DIRECTOR Trustee or director | 1 | $0 | $0 |
| KATE MCBRIDE | DIRECTOR Trustee or director | 1 | $0 | $0 |
| EVALYN GATES PHD | DIRECTOR Trustee or director | 1 | $0 | $0 |
| ALAN FLETCHER DMA | DIRECTOR Trustee or director | 1 | $0 | $0 |
990 for the year ended December 31, 2024: 12 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| WILLIAM TURNER | CHAIR Trustee or director, Officer | 1 | $0 |
| DAVID HEIL | PRESIDENT/TREASURER Trustee or director, Officer | 8 | $0 |
| CHARLES CUNNIFFE | DIRECTOR Trustee or director | 1 | $0 |
| ELENA MARQUEZ PHD | DIRECTOR Trustee or director | 1 | $0 |
| ELIZABETH MEADOR PHD | DIRECTOR Trustee or director | 1 | $0 |
| MARK MUNGER | DIRECTOR Trustee or director | 1 | $0 |
| ANDREI RUCKENSTEIN PHD | DIRECTOR Trustee or director | 1 | $0 |
| JESSICA SCHWARZ | DIRECTOR Trustee or director | 1 | $0 |
| MARK ST JOHN PHD | DIRECTOR Trustee or director | 1 | $0 |
| HARRY TEAGUE | DIRECTOR Trustee or director | 1 | $0 |
| DUNCAN WELLS MD | DIRECTOR Trustee or director | 1 | $0 |
| KATE MCBRIDE | DIRECTOR Trustee or director | 1 | $0 |
990 for the year ended December 31, 2023: 12 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| WILLIAM TURNER | CHAIR Trustee or director, Officer | 1 | $0 |
| DAVID HEIL | PRESIDENT/TREASURER Trustee or director, Officer | 8 | $0 |
| CHARLES CUNNIFFE | DIRECTOR Trustee or director | 1 | $0 |
| ALAN FLETCHER DMA | DIRECTOR Trustee or director | 1 | $0 |
| ELENA MARQUEZ PHD | DIRECTOR Trustee or director | 1 | $0 |
| LIZ MEADOR PHD | DIRECTOR Trustee or director | 1 | $0 |
| MARK MUNGER | DIRECTOR Trustee or director | 1 | $0 |
| ANDREI RUCKENSTEIN PHD | DIRECTOR Trustee or director | 1 | $0 |
| JESSICA SCHWARZ | DIRECTOR Trustee or director | 1 | $0 |
| MARK ST JOHN PHD | DIRECTOR Trustee or director | 1 | $0 |
| HARRY TEAGUE | DIRECTOR Trustee or director | 1 | $0 |
| DUNCAN WELLS MD | DIRECTOR Trustee or director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 4669, ASPEN, CO 81612-4669
- In care of
- % TIMOHTY B MCFLYNN
- Principal officer (990 for 2025)
- ALEX TARIKA, PO BOX 4669, ASPEN, CO 81612
- Signed the 990
- ALEX TARIKA, EXECUTIVE DIRECTOR
- Phone
- (970) 236-2360
- Website
- WWW.ASPENSCIENCECENTER.ORG
- Return prepared by
- REESE HENRY & COMPANY INC
Mission
TO ADVANCE THE PUBLIC UNDERSTANDING OF SCIENCE THROUGH LIFELONG DISCOVERY, EXPLORATION AND EDUCATION.
Program accomplishments
- OFFERING CHILDREN AND ADULTS ENGAGING AND INFORMATIVE EXPERIENCES WITH SCIENCE, TECHNOLOGY, ENGINEERING, AND MATHEMATICS (STEM).Expenses $505,006 · revenue $252,344
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
- 84-1677611
- 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
- 2005
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Education (B99)
- Assets (IRS master file)
- $133,648
- Income (IRS master file)
- $592,057
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $592,057 | $599,900 | $133,648 | XML |
| 990 | December 2024 | $486,622 | $454,113 | $142,139 | XML |
| 990 | December 2023 | $327,180 | $292,594 | $102,166 | XML |
| 990 | December 2022 | $167,204 | $242,531 | $64,394 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2018 | – | – | – | IRS |
| 990 | December 2017 | – | – | – | 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 84-1677611).
Questions about ASPEN SCIENCE CENTER
- What is the EIN of ASPEN SCIENCE CENTER?
- The employer identification number (EIN) of ASPEN SCIENCE CENTER is 84-1677611.
- Is ASPEN SCIENCE CENTER tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2005.
- Are donations to ASPEN SCIENCE CENTER tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does ASPEN SCIENCE CENTER 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 ASPEN SCIENCE CENTER 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 ASPEN SCIENCE CENTER 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 ASPEN SCIENCE CENTER?
- The 990 for the year ended December 31, 2025 names ALEX TARIKA.
- Who are the officers and directors of ASPEN SCIENCE CENTER?
- The 990 for the year ended December 31, 2025 lists 13 people; 1 received compensation from the organization, the highest $52,936 (ALEX TARIKA, EXECUTIVE DIRECTOR).
- How much revenue does ASPEN SCIENCE CENTER have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $592,057, expenses of $599,900 and total assets of $133,648 at year end.
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