Nonprofit · EIN 23-2213205
NATIONAL DISEASE RESEARCH INTERCHANGE
Tax-exempt · PHILADELPHIA, PA 19102
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $12,847,539 | $12,989,804 | -$142,265 | $6,957,697 | $4,640,298 | $2,317,399 |
| December 31, 2024 | 990 | $11,282,464 | $10,583,538 | $698,926 | $7,101,587 | $4,628,320 | $2,473,267 |
| December 31, 2023 | 990 | $9,146,487 | $9,254,872 | -$108,385 | $7,181,811 | $5,391,136 | $1,790,675 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $8,360,448
- of which government grants
- $8,360,448
- Program service revenue
- $4,432,924
- Investment income
- $54,167
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $773,200
- Other salaries and wages
- $3,315,016
- Salaries, compensation and benefits (total)
- $4,706,580
- Professional fundraising fees
- $0
- Legal fees
- $12,960
- Accounting fees
- $87,501
- Occupancy
- $267,108
- Travel
- $46,302
- Depreciation
- $326,048
- Program services (functional)
- $9,734,698
- Management and general (functional)
- $3,255,106
Balance sheet and other
- Total assets, start of year
- $7,101,587
- Total assets, end of year
- $6,957,697
- Total liabilities, end of year
- $4,640,298
- Net assets, end of year
- $2,317,399
- Land, buildings and equipment
- $1,199,506
- Net assets without donor restrictions
- $2,317,399
- Gross receipts
- $12,847,539
- Employees
- 51
- Volunteers
- 16
- Year formed
- 1988
- State of legal domicile
- PA
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 |
|---|---|---|---|---|
| WILLIAM LEINWEBER | PRESIDENT & CEO Trustee or director, Officer | 37.5 | $461,919 | $69,103 |
| THOMAS BELL | CHIEF SCIENTIFIC OFFICER Highest-paid employee | 37.5 | $265,801 | $13,588 |
| THOMAS MALECKI | CFO; VP, ADMINISTRATION Officer | 37.5 | $230,233 | $11,946 |
| MELISSA W VONDRAN | SR VP, OPERATIONS & DIRECT Highest-paid employee | 35 | $204,583 | $7,861 |
| DANA R ROSALES | DIRECTOR, FULFILLMENT Highest-paid employee | 37.5 | $123,600 | $40,543 |
| SUSAN MCGOVERN | MANAGER HUMAN RESOURCES Highest-paid employee | 37.5 | $114,422 | $19,925 |
| SABOOR A SHAD | DIRECTOR, TISSUE SOURCE SI Highest-paid employee | 37.5 | $112,154 | $13,105 |
| MARY JC HENDRIX | CHAIR OF THE BOARD Trustee or director, Officer | 1 | $0 | $0 |
| DAVID M ALBERT | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| SHAWN BLACKBURN | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| SULAYMAN DIB-HAJJ | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| MEGAN KASIMATIS SINGLETON | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| VERA KRYMSKAYA | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| PAUL M LIEBERMAN | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| ROBERT MARCANTUONO | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
8 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JESSICA MULHOLLAND | BOARD MEMBER Trustee or director | 1 | $0 |
| HOWARD M NATHAN | BOARD MEMBER Trustee or director | 1 | $0 |
| LOUIS PHILIPSON | BOARD MEMBER Trustee or director | 1 | $0 |
| ARTHUR H RUBENSTEIN | BOARD MEMBER Trustee or director | 1 | $0 |
| MARIANNE K HENDERSON | BOARD MEMBER Trustee or director | 1 | $0 |
| MICHAEL WHITE | BOARD MEMBER Trustee or director | 1 | $0 |
| DEANNE TAYLOR | BOARD MEMBER Trustee or director | 1 | $0 |
| RICHARD HASZ JR | BOARD MEMBER Trustee or director | 1 | $0 |
990 for the year ended December 31, 2024: 23 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| WILLIAM LEINWEBER | PRESIDENT & CEO Trustee or director, Officer | 37.5 | $432,567 | $69,142 |
| THOMAS BELL | CHIEF SCIENTIFIC OFFICER Highest-paid employee | 37.5 | $248,259 | $12,853 |
| THOMAS MALECKI | CFO; VP, ADMINISTRATION Officer | 37.5 | $214,583 | $6,200 |
| MELISSA W VONDRAN | SR VP, OPERATIONS & DIRECTOR BIOREPOSITORY Highest-paid employee | 35 | $190,478 | $7,472 |
| DANA R ROSALES | DIRECTOR, FULFILLMENT Highest-paid employee | 37.5 | $115,055 | $40,365 |
| SABOOR A SHAD | DIRECTOR, TISSUE SOURCE SITE MGMT Highest-paid employee | 37.5 | $112,347 | $14,773 |
| SUSAN MCGOVERN | MANAGER HUMAN RESOURCES Highest-paid employee | 37.5 | $107,589 | $18,555 |
| MARY JC HENDRIX | CHAIR OF THE BOARD Trustee or director, Officer | 1 | $0 | $0 |
| DAVID M ALBERT | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| SHAWN BLACKBURN | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| SULAYMAN DIB-HAJJ | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| MEGAN KASIMATIS SINGLETON | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| VERA KRYMSKAYA | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| PAUL M LIEBERMAN | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| ROBERT MARCANTUONO | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| JESSICA MULHOLLAND | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| HOWARD M NATHAN | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| LOUIS PHILIPSON | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| ARTHUR H RUBENSTEIN | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| JIM VAUGHT | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| MICHAEL WHITE | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| DEANNE TAYLOR | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| RICHARD HASZ JR | BOARD MEMBER (EFF NOV 2024) Trustee or director | 1 | $0 | $0 |
990 for the year ended December 31, 2023: 22 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| WILLIAM LEINWEBER | PRESIDENT & CEO Trustee or director, Officer | 37.5 | $407,201 | $66,400 |
| THOMAS BELL | CHIEF SCIENTIFIC OFFICER Highest-paid employee | 37.5 | $239,542 | $12,482 |
| MELISSA W VONDRAN | SR VP, OPERATIONS Highest-paid employee | 35 | $184,997 | $6,343 |
| DANA R ROSALES | DIRECTOR, FULFILLMENT Highest-paid employee | 37.5 | $112,413 | $38,345 |
| SABOOR A SHAD | DIRECTOR, TISSUE SOURCE SI Highest-paid employee | 37.5 | $108,583 | $12,918 |
| TOM MALECKI | CFO; VP, ADMINISTRATION Officer | 37.5 | $112,788 | $239 |
| ROBERT ZIPPERLEN-DEC'D 32623 | VP ADMINISTRATION & CFO Officer | 37.5 | $68,373 | $11,588 |
| MARY JC HENDRIX | CHAIR OF THE BOARD Trustee or director, Officer | 1 | $0 | $0 |
| DAVID M ALBERT | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| SHAWN BLACKBURN | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| SULAYMAN DIB-HAJJ | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| MEGAN KASIMATIS SINGLETON | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| VERA KRYMSKAYA | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| PAUL M LIEBERMAN | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| ROBERT MARCANTUONO | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| JESSICA MULHOLLAND | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| HOWARD M NATHAN | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| LOUIS PHILIPSON | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| ARTHUR H RUBENSTEIN | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| JIM VAUGHT | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| MICHAEL WHITE | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
| DEANNE TAYLOR | BOARD MEMBER Trustee or director | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 1601 CHERRY ST STE 1700, PHILADELPHIA, PA 19102-1325
- In care of
- % STEPHEN TESSINO
- Principal officer (990 for 2025)
- WILLIAM LEINWEBER, 1601 CHERRY ST SUITE 1700, PHILADELPHIA, PA 19102
- Signed the 990
- WILLIAM LEINWEBER, PRESIDENT
- Phone
- (215) 557-7361
- Website
- WWW.NDRIRESOURCE.ORG
- Return prepared by
- EISNER ADVISORY GROUP LLC
Mission
THE MISSION OF NDRI IS TO PROVIDE HUMAN BIOSPECIMENS WORLDWIDE TO ADVANCE BIOMEDICAL/BIOSCIENCE RESEARCH AND DEVELOPMENT AND EDUCATION IN THE LIFE SCIENCES.
Program accomplishments
- HUMAN TISSUE AND RESOURCE FOR RESEARCH: NDRI RECEIVED A FEDERAL AWARD FOR THE HUMAN TISSUE AND ORGAN RESOURCE FOR THE PROCUREMENT AND DISTRIBUTION OF NORMAL AND DISEASED HUMAN ORGANS AND TISSUES TO ADVANCE BIOMEDICAL SCIENCE.Expenses $6,916,626 · revenue $832,829
- PARTNER PROGRAM: COORDINATES VARIOUS HUMAN ORGAN AND TISSUE PROCUREMENT PROGRAMS WITH THE PHARMACEUTICAL AND BIOTECHNOLOGY INDUSTRIES TO ACCELERATE RESEARCH AND DEVELOPMENT. SEVERAL OF THESE PROGRAMS HAVE LED TO THE DEVELOPMENT OF TREATMENTS FOR MEDICAL CONDITIONS SUCH AS LUNG DISEASE, DIABETES, AND CANCER, TO NAME ONLY A FEW. OTHER PARTNER PROGRAMS HAVE LED TO THE CREATION OF RESEARCH TOOLS FOR USE IN NUMEROUS TOXICOLOGY AND DRUG DISCOVERY PLATFORMS.Expenses $901,436 · revenue $2,328,145
- RESEARCH COLLABORATIONS WITH FOUNDATION AND PATIENT ADVOCACY GROUPS (PAG): NDRI MAINTAINS COLLABORATIONS WITH A VARIETY OF DIFFERENT FOUNDATION AND PATIENT ADVOCACY GROUPS FOCUSED ON THE ADVANCEMENT OF RESEARCH IN EACH OF THEIR RESPECTIVE AREAS OF INTEREST. THESE COLLABORATIONS BRING TOGETHER PATIENTS, PAGS, FOUNDATIONS, NDRI AND THE PHARMACEUTICAL INDUSTRY TO HELP ADVANCE R&D UTILIZING CRITICAL HUMAN BIOSPECIMENS GIFTED BY PATIENTS/DONORS.Expenses $1,916,636 · revenue $1,271,950
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
- 23-2213205
- 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
- 1982
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Medical research (H99Z)
- Assets (IRS master file)
- $6,957,697
- Income (IRS master file)
- $12,847,539
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $12,847,539 | $12,989,804 | $6,957,697 | XML |
| 990 | December 2024 | $11,282,464 | $10,583,538 | $7,101,587 | XML |
| 990 | December 2023 | $9,146,487 | $9,254,872 | $7,181,811 | XML |
| 990 | December 2022 | $7,402,515 | $8,132,656 | $6,908,115 | 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 23-2213205).
Questions about NATIONAL DISEASE RESEARCH INTERCHANGE
- What is the EIN of NATIONAL DISEASE RESEARCH INTERCHANGE?
- The employer identification number (EIN) of NATIONAL DISEASE RESEARCH INTERCHANGE is 23-2213205.
- Is NATIONAL DISEASE RESEARCH INTERCHANGE tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1982.
- Are donations to NATIONAL DISEASE RESEARCH INTERCHANGE tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does NATIONAL DISEASE RESEARCH INTERCHANGE 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 NATIONAL DISEASE RESEARCH INTERCHANGE 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 NATIONAL DISEASE RESEARCH INTERCHANGE 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 NATIONAL DISEASE RESEARCH INTERCHANGE?
- The 990 for the year ended December 31, 2025 names WILLIAM LEINWEBER.
- Who are the officers and directors of NATIONAL DISEASE RESEARCH INTERCHANGE?
- The 990 for the year ended December 31, 2025 lists 23 people; 7 received compensation from the organization, the highest $461,919 (WILLIAM LEINWEBER, PRESIDENT & CEO).
- How much revenue does NATIONAL DISEASE RESEARCH INTERCHANGE have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $12,847,539, expenses of $12,989,804 and total assets of $6,957,697 at year end.
Other nonprofits in PHILADELPHIA
- AMERICAN ASSOCIATION FOR CANCER RESEARCH EIN 23-6251648 · last filed 990 for 2025
- INSTITUTE FOR CANCER RESEARCH EIN 23-6296135 · last filed 990 for 2025
- THE WISTAR INSTITUTE OF ANATOMY AND BIOLOGY EIN 23-6434390 · last filed 990 for 2025
- PHILADELPHIA FIGHT EIN 23-2625934 · last filed 990 for 2025
- EVERY CURE INC EIN 92-0240717 · last filed 990 for 2025
- WILLS EYE OPHTHALMOLOGY CLINIC INC EIN 23-3065896 · last filed 990 for 2025
- MONELL CHEMICAL SENSES CENTER EIN 23-2020897 · last filed 990 for 2025
- COALITION OF CANCER COOPERATIVE GROUPS EIN 23-2935628 · last filed 990 for 2025
All nonprofits in PHILADELPHIA · Pennsylvania · Medical research