Nonprofit · EIN 52-1926919
TSC ALLIANCE ENDOWMENT FUND INC
Tax-exempt · SILVER SPRING, MD 20910
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $830,459 | $327,936 | $502,523 | $8,273,608 | $420,854 | $7,852,754 |
| December 31, 2024 | 990 | $709,763 | $305,771 | $403,992 | $7,419,820 | $659,949 | $6,759,871 |
| December 31, 2023 | 990 | $577,597 | $649,531 | -$71,934 | $6,262,570 | $441,383 | $5,821,187 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $405,940
- Program service revenue
- $0
- Investment income
- $424,519
- Net gain from sales of assets
- $225,344
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $246,000
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Legal fees
- $6,840
- Accounting fees
- $8,163
- Travel
- $768
- Program services (functional)
- $246,000
- Management and general (functional)
- $46,869
- Fundraising (functional)
- $35,067
Balance sheet and other
- Total assets, start of year
- $7,419,820
- Total assets, end of year
- $8,273,608
- Total liabilities, end of year
- $420,854
- Net assets, end of year
- $7,852,754
- Publicly traded securities
- $8,198,345
- Net assets without donor restrictions
- $6,728,466
- Net assets with donor restrictions
- $1,124,288
- Gross receipts
- $2,158,771
- Employees
- 0
- Volunteers
- 11
- Year formed
- 1995
- State of legal domicile
- MD
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 |
|---|---|---|---|---|---|
| KARI LUTHER ROSBECK | PRESIDENT & CEO Officer | 1 | $0 | $254,957 | $32,411 |
| JAMIE SAYLOR | CHIEF FINANCIAL OFFICER Officer | 3 | $0 | $143,473 | $5,338 |
| RITA DIDOMENICO | CHAIR Trustee or director, Officer | 2 | $0 | $0 | $0 |
| BRITTANY SMITH | TREASURER Trustee or director, Officer | 2 | $0 | $0 | $0 |
| ROBERT GROVES III | SECRETARY Trustee or director, Officer | 2 | $0 | $0 | $0 |
| DAVID JOHNSTON | DIRECTOR Trustee or director | 1 | $0 | $0 | $0 |
| JIM MAGINN | DIRECTOR Trustee or director | 1 | $0 | $0 | $0 |
| DARREN MILES | DIRECTOR Trustee or director | 1 | $0 | $0 | $0 |
| LARRY O'FRIEL | DIRECTOR Trustee or director | 1 | $0 | $0 | $0 |
| MARK SCHAENGOLD | DIRECTOR Trustee or director | 1 | $0 | $0 | $0 |
| MEGAN SELF | DIRECTOR Trustee or director | 1 | $0 | $0 | $0 |
| PAUL WAXLAX | DIRECTOR Trustee or director | 1 | $0 | $0 | $0 |
| TIM DILLS | DIRECTOR Trustee or director | 1 | $0 | $0 | $0 |
990 for the year ended December 31, 2024: 12 people
| Name | Title | Hours / week | Compensation | From related orgs | Other / benefits |
|---|---|---|---|---|---|
| KARI LUTHER ROSBECK | PRESIDENT & CEO Officer | 1 | $2,321 | $229,751 | $29,822 |
| CYNTHIA ARCURI | CHIEF FINANCIAL OFFICER Officer | 3 | $9,693 | $184,176 | $8,033 |
| MARION ADAMS | CHAIR Trustee or director, Officer | 2 | $0 | $0 | $0 |
| BRITTANY SMITH | TREASURER Trustee or director, Officer | 2 | $0 | $0 | $0 |
| ROBERT GROVES III | SECRETARY Trustee or director, Officer | 2 | $0 | $0 | $0 |
| RITA DIDOMENICO | DIRECTOR Trustee or director | 1 | $0 | $0 | $0 |
| TIM DILLS | DIRECTOR Trustee or director | 1 | $0 | $0 | $0 |
| DAVID JOHNSTON | DIRECTOR Trustee or director | 1 | $0 | $0 | $0 |
| JIM MAGINN | DIRECTOR Trustee or director | 1 | $0 | $0 | $0 |
| MARK SCHAENGOLD | DIRECTOR Trustee or director | 1 | $0 | $0 | $0 |
| MEGAN SELF | DIRECTOR Trustee or director | 1 | $0 | $0 | $0 |
| PAUL WAXLAX | DIRECTOR Trustee or director | 1 | $0 | $0 | $0 |
990 for the year ended December 31, 2023: 11 people
| Name | Title | Hours / week | Compensation | From related orgs | Other / benefits |
|---|---|---|---|---|---|
| KARI LUTHER ROSBECK | PRESIDENT & CEO Officer | 1 | $2,260 | $223,746 | $29,417 |
| CYNTHIA ARCURI | CHIEF FINANCIAL OFFICER Officer | 3 | $9,315 | $176,989 | $9,482 |
| MARION S ADAMS | CHAIR Trustee or director, Officer | 2 | $0 | $0 | $0 |
| MICHAEL AUGUSTINE | SECRETARY Trustee or director, Officer | 2 | $0 | $0 | $0 |
| HAL TEARSE | TREASURER Trustee or director, Officer | 2 | $0 | $0 | $0 |
| TIM DILLS | BOARD MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| PAUL WAXLAX | BOARD MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| RITA DIDOMENICO | BOARD MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| ROBERT GROVES III | BOARD MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| BRITTANY SMITH | BOARD MEMBER Trustee or director | 1 | $0 | $0 | $0 |
| JIM MAGINN | BOARD MEMBER Trustee or director | 1 | $0 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 8737 COLESVILLE RD STE 400, SILVER SPRING, MD 20910-3921
- In care of
- % NATL TUBEROUS SCLEROSIS ASSO
- Principal officer (990 for 2025)
- KARI L ROSBECK, 8737 COLESVILLE ROAD 400, SILVER SPRING, MD 20910
- Signed the 990
- KARI L ROSBECK, PRESIDENT & CEO
- Phone
- (301) 562-9890
- Website
- WWW.TSCALLIANCE.ORG
- Return prepared by
- CALIBRE CPA GROUP PLLC
Mission
THE TSC ALLIANCE ENDOWMENT FUND IS A SEPARATE FIDUCIARY ORGANIZATIONSPECIFICALLY CHARTERED TO RECEIVE GIFTS THAT WILL BE INVESTED TOGENERATE AN INCOME STREAM THAT WILL HELP FULFILL THE MISSION OF THE TSCALLIANCE. THE ENDOWMENT FUND WILL ENSURE THAT THE TSC ALLIANCE HAS ANONGOING SOURCE OF FUNDING TO BETTER SERVE FAMILIES TOUCHED BY TUBEROUSSCLEROSIS COMPLEX (TSC) THROUGH RESEARCH, FAMILY SERVICES, ANDEDUCATION.
Program accomplishments
- DIRECT GIFTS AND EXPENSES INCURRED IN GENERATING GIFTS TO SUPPORT THE MISSION OF THE TSC ALLIANCE.Expenses $246,000 · grants $246,000
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
- 52-1926919
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Supporting organization (509(a)(3))
- Donations deductible (Pub 78)
- Supporting organization of unknown type
- Exempt since
- 1995
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T30I)
- Assets (IRS master file)
- $8,273,608
- Income (IRS master file)
- $2,158,771
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $830,459 | $327,936 | $8,273,608 | XML |
| 990 | December 2024 | $709,763 | $305,771 | $7,419,820 | XML |
| 990 | December 2023 | $577,597 | $649,531 | $6,262,570 | XML |
| 990 | December 2022 | $206,655 | $384,476 | $5,620,224 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | 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 52-1926919).
Questions about TSC ALLIANCE ENDOWMENT FUND INC
- What is the EIN of TSC ALLIANCE ENDOWMENT FUND INC?
- The employer identification number (EIN) of TSC ALLIANCE ENDOWMENT FUND INC is 52-1926919.
- Is TSC ALLIANCE ENDOWMENT FUND INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1995.
- Are donations to TSC ALLIANCE ENDOWMENT FUND INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Supporting organization of unknown type).
- Which annual return does TSC ALLIANCE ENDOWMENT FUND 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 TSC ALLIANCE ENDOWMENT FUND INC 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 TSC ALLIANCE ENDOWMENT FUND INC 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 TSC ALLIANCE ENDOWMENT FUND INC?
- The 990 for the year ended December 31, 2025 names KARI L ROSBECK.
- Who are the officers and directors of TSC ALLIANCE ENDOWMENT FUND INC?
- The 990 for the year ended December 31, 2025 lists 13 people; 0 received compensation from the organization.
- How much revenue does TSC ALLIANCE ENDOWMENT FUND INC have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $830,459, expenses of $327,936 and total assets of $8,273,608 at year end.
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