The American Thrombosis and Hemostasis Network (ATHN) is a 501(c)(3) nonprofit organization dedicated to advancing and improving care for individuals affected by bleeding and thrombotic disorders. Headquartered in Rochester, New York, with additional operations in Hickory, North Carolina, ATHN operates as a medical research organization classified under heart and circulatory system diseases and disorders.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$5.2M
-5.1% YoY
Annual Giving
$4.8M
+9.4% YoY
Grant Count
71
+57.8% YoY
Avg Grant Size
$68K
-30.6% YoY
Mission & Focus Areas
ATHN is committed to advancing and improving care for individuals affected by bleeding and thrombotic disorders through data management, research support, and outcome measurement. The organization manages a secure national database of patient health data that supports clinical outcomes analysis, research initiatives, advocacy efforts, and public health reporting within the hemostasis and thrombosis community.
Primary Research Programs:
ATHN Transcends — The world's largest natural history study of people affected by non-neoplastic hematologic conditions. Created in response to the National Heart, Lung, and Blood Institute's (NHLBI) Blueprint for Factor VIII Inhibitor Clinical Trials, this program aims to determine the safety of all therapies utilized in this population. The study architecture is designed to encourage the creation of modules exploring specific safety and effectiveness endpoints.
ATHN Research Biorepository — Located at Versiti, Blood Center of Wisconsin, this facility stores biospecimens from ATHN Transcends for future research purposes.
Community Counts CDC Public Health Surveillance Project — A cooperative agreement with the Centers for Disease Control and Prevention (CDC) that gathers uniform demographic and health services utilization data for populations with bleeding and clotting disorders while monitoring related health indicators.
Grantmaking
ATHN reported total giving of $4,715,723 in 2023. The organization functions both as a grantmaker and as a research support entity that facilitates funding opportunities through its network of affiliated treatment centers.
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Geographic Focus
Where this funder awards grants
ATHN operates a national network spanning all 50 states, with hemophilia treatment center affiliates distributed across the United States. The organization maintains offices in both Rochester, New York and Hickory, North Carolina.
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
2024 Financial Data:
- Total Revenue: $15,982,317
- Total Expenses: $17,011,486
- Total Assets: $5,156,977
- Number of Employees: 52
2023 Financial Data:
- Total Revenue: $13.6 million
- Total Expenses: $16.4 million
- Total Assets: $5.43 million
- Total Liabilities: $808,000
Audit Note: An independent audit for the fiscal year ending December 2023 identified a material weakness in internal controls, specifically a deficiency in internal financial or governance controls that could limit the organization's ability to track and report financial data reliably.
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $5,156,977 | $5,433,549 | $8,367,265 |
| Revenue | $15,982,317 | $13,573,899 | $13,595,220 |
| Expenses | $17,011,486 | $16,433,621 | $14,534,841 |
| Qualifying Distributions | — | — | — |
| Net Investment Income | $71,496 | $740,677 | $101,383 |
| Distributable Amount | — | — | — |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
Grant Size Distribution
245 grants across all recorded years
Giving History
Grant recipients and amounts by year
No grants recorded for .
Leadership & Key People
Leadership team and compensation from IRS filings
Key executives include:
- Moses Miles — Chief Operating Officer
- Tammuella Chrisentery-Singleton — Chief Science Officer
- Norma Wolf — Director, Community Counts Surveillance Project
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| CHRISTOPHER E WALSH MD PHD | CHAIR | 1 | — |
| TAMARA VOGEL MBA | TREASURER | 1 | — |
| DUC BOBBY TRAN MD MSC | DIRECTOR | 1 | — |
| JENNIFER G DAVILA MD | DIRECTOR | 1 | — |
| JIM MUNN RN MS | DIRECTOR | 1 | — |
| ROBERT SIDONIO MD | DIRECTOR | 1 | $36,000 |
| CRYSTAL WATSON | PRESIDENT AND CEO | 40 | $331,645 |
| ROOSEVELT COUNCIL | CHIEF FINANCIAL OFFICER | 40 | $18,073 |
| MICHAEL NIEKAMP | CFO ENDING 12/24 | 40 | $278,341 |
| TAMMUELLA SINGLETON | CHIEF SCIENCE OFFICER | 40 | $405,584 |
| MOSES MILES III | CHIEF OPERATING OFFICER | 40 | $299,312 |
| SRIKANTH SUBRAMANYA | SR. DIRECTOR, ENGINEERING | 40 | $189,553 |
| NABIL DAOUD | DIRECTOR, DATA SCIENCE | 40 | $177,216 |
| TROY VERBRUGGE | LEAD SOFTWARE ENGINEER | 40 | $181,324 |
| JUSTINE KAPLAN | SR. DIRECTOR, OFFICE OF PHI | 40 | $167,090 |
| DIANA VAINSHTEIN | DIRECTOR, PRODUCT MANAGEMENT | 40 | $166,397 |
Recent News & Activity
Recent developments and announcements
ATHN has been recognized for its research contributions and partnerships within the hemostasis and thrombosis field. The organization collaborates with professional societies including the Hemostasis and Thrombosis Research Society (HTRS) on initiatives such as the HTRS/ATHN "DREAM" Award, which supports innovative research projects in thrombosis and hemostasis.
ISTH SSC issues new grants to fund innovative new projects in thrombosisThe organization continues to expand its affiliate network and research infrastructure, with ongoing enrollment in ATHN Transcends and active management of its national patient health database to support both clinical care improvement and research advancement.
HTRS/ATHN "DREAM" Award | Hemostasis & Thrombosis Research SocietySubject Areas
Focus areas based on grantmaking activity
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Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
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