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Organizations Medical Research American Thrombosis and Hemostasis Network Inc.

American Thrombosis and Hemostasis Network Inc.

Fiscal year ending 2024. Filed on November 12, 2025.

200 1st Avenue NW 316
131
Hickory, North Carolina 28601

American Thrombosis and Hemostasis Network Inc. (EIN: 20-5244339) has filed an IRS Form 990 since at least fiscal year 2016. In its fiscal year 2024 IRS Form 990 filing, American Thrombosis and Hemostasis Network Inc., a 501(c)(3) charitable organization, reported compensation for 10 out of 52 total employees. Among the employees shown here, the average compensation is $255,863. The highest compensated employee at American Thrombosis and Hemostasis Network Inc. is Tammuella Singleton with fiscal year 2024 compensation of $428,123.

Revenue, expenses, and employee compensation

Revenue

$15,982,317

Expenses

$17,011,486

Employee compensation

$7,968,406
Revenue, expenses, and employee compensation over time

Reported Compensated Employees

Tammuella Singleton
Chief Science Officer
$428,123
$405,584 No related comp$22,539
Crystal Watson
President and Chief Executive Officer
$390,565
$331,645 No related comp$58,920
Michael Niekamp
CFO Ending 12/24
$329,858
$278,341 No related comp$51,517
Moses Miles III
Chief Operating Officer
$324,278
$299,312 No related comp$24,966
Srikanth Subramanya
SR Director, Engineering
$260,933
$189,553 No related comp$71,380
Diana Vainshtein
Director, Product Management
$209,226
$166,397 No related comp$42,829
Troy Verbrugge
LEAD Software Engineer
$207,719
$181,324 No related comp$26,395
Nabil Daoud
Director, DATA Science
$201,509
$177,216 No related comp$24,293
Justine Kaplan
SR Director, Office of PHI
$188,044
$167,090 No related comp$20,954
Roosevelt Council
Chief Financial Officer
$18,373
$18,073 No related comp$300

Benchmark Employee Compensation

Non-Employee Board Members

Robert Sidonio, M.D.
Director
$36,000
$36,000 No related compNo other comp
Jim Munn, Rn, Ms
Director
No compensation reported
Duc Bobby Tran M.D. Msc
Director
No compensation reported
Jennifer G Davila, M.D.
Director
No compensation reported
Tamara Vogel, Mba
Treasurer
No compensation reported
Christopher E Walsh, M.D., Ph.D.
Chair
No compensation reported

Contractors

Smith Gambrell & Russell LLP
Legal Fees
$160,734
Rip Road Inc.
Information Technology
$156,300
Nathan William Venn
Systems and Software Engineering
$152,190
Citrin Cooperman
Accounting
$117,650

Mission Statement

THE AMERICAN THROMBOSIS AND HEMOSTASIS NETWORK (ATHN) IS A NONPROFIT ORGANIZATION DEDICATED TO IMPROVING THE LIVES OF PEOPLE AFFECTED BY BLEEDING AND CLOTTING DISORDERS. WE'RE USING TECHNOLOGY TO SECURE DATA, ADVANCE KNOWLEDGE, TRANSFORM CARE--AND ULTIMATELY IMPROVE LIVES.

Revisions to this organization profile

November 12, 2025:
2024 American Thrombosis and Hemostasis Network Inc. 990 filed
November 14, 2024:
2023 American Thrombosis and Hemostasis Network Inc. 990 filed
November 14, 2023:
2022 American Thrombosis and Hemostasis Network Inc. 990 filed

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