American Society of Transplant Surgeons

Arlington, VA · Founded 1975

The American Society of Transplant Surgeons unites transplant professionals who are advancing the field of organ transplantation.

Primary audience
Everyone
Contact
Maggie Kebler-Bullock

Financial Information

Form 990 data showing organizational financial health and growth.

Revenue (2024)

$11.8M

+0% vs 2024

Assets (2024)

$6.4M

+0% vs 2024

Year Revenue Expenses Assets Employees
2024
2024 $11,783,714 $12,610,070 $6,353,663 25
2023
2023 $11,478,885 $11,553,689 $6,606,925 24
2022
2022 $10,945,687 $10,585,169 $7,243,564 26
2020
2020 $6,243,973 $5,313,553 $4,321,288 20
2019 $5,732,977 $6,024,703 $3,682,444 18
2018 $6,129,075 $6,027,668 $3,039,855 16

Source: IRS Form 990 filings. All figures in USD.

Team & Leadership

Meet the people behind American Society of Transplant Surgeons.

MK

Maggie Kebler-Bullock

Executive Director/CEO
Full-time
Compensation: $236,504
DM

Diane Mossholder

Chief Operating Officer
Full-time
Compensation: $158,869
KL

Kellie Lowery

Senior Director Finance
Full-time
Compensation: $119,962
EA

Elizabeth A Promfret MD PhD

Immediate Past President
5 hrs/week
GL

Ginny L BumgardnerMD PhD

President
5 hrs/week
JF

James F Markmann MD PhD

President-Elect
5 hrs/week
WC

William C Chapman MD

Past President
1 hrs/week
MK

Maggie Kebler-Bullock

Executive Director/CEO
MW

Marie-Claire Walters

Senior Program Coordinator
Full-time
Compensation: $116,846
AA

Andre AS Dick MD MPH

Councilor-At-Large
1 hrs/week
DL

Daniela Ladner MD PhD

Councilor-At-Large
1 hrs/week
DC

Dinee C Simpson MD

Councilor-At-Large
1 hrs/week
HB

Henry B Randall MD MBA FACS

DEI Officer
1 hrs/week
JG

Jacqueline Garonzik Wang MD PhD

Councilor-At-Large
1 hrs/week
JE

Jayme E Locke MD MPH

Councilor-At-Large
1 hrs/week
LC

Linda C Cendales MD

Councilor-At-Large
1 hrs/week
MB

Majella B Doyle MD MBA

Councilor-At-Large
1 hrs/week
MH

Matthew H Levine MD PhD

Councilor-At-Large
1 hrs/week
RM

Robert Montgomery MD PhD

Councilor-At-Large
1 hrs/week
SH

Samantha Halpern MSN CRNP

Councilor-At-Large
1 hrs/week
SK

Sunil K Geevarghese MD FACS MSCI

Councilor-At-Large
1 hrs/week
TD

Tayyab Diwan MD

Councilor-At-Large
1 hrs/week
TB

Ty B Dunn MD MS

Councilor-At-Large
1 hrs/week

Associated People

Board members, advisors, and key contributors

Board of Directors

DL
Debra L Sudan MD Secretary 1.00 hrs/week
JK
Julie KHeimbach MD Treasurer 1.00 hrs/week

Information compiled from IRS Form 990 and organizational materials.

Executive Compensation

Top compensated officers & key employees from IRS Form 990

Total Reported (2024)

$757K

Highest Paid

$290K

Maggie Kebler-Bullock

Compensated Officers

4

Name Title Base Other Total Hrs/Wk
Maggie Kebler-Bullock Executive Director/CEO $236,504 $53,327 $289,831 35
Diane Mossholder Chief Operating Officer $158,869 $40,652 $199,521 35
Kellie Lowery Senior Director Finance $119,962 $25,116 $145,078 35
Marie-Claire Walters Senior Program Coordinator $116,846 $5,842 $122,688 35

Source: IRS Form 990 filings. Compensation includes base and other reported compensation.

Lobbying Activity

Lobbying Disclosure Act registrations

Self-Lobbying
58 Registrations
43 Clients
Yes Self-Lobbying

Clients 43 total

American Society Of Transplant Surgeons
1 filing
Self
American Society Of Breast Surgeons
1 filing
Self
A
American Society Of Anesthesiologists
4 filings
A
American Society Of Association Executives
3 filings
A
American Society Of Hematology
3 filings
A
American Society Of Cataract & Refractive Surgery
2 filings
A
American Society Of Clinical Oncology
2 filings
A
American Society Of Echocardiography
2 filings
A
American Society Of Hand Therapists
2 filings
A
American Society Of Health-System Pharmacists
2 filings
A
American Society Of Nephrology
2 filings
A
American Society Of Transplantation
2 filings
A
American Society Of Tropical Medicine And Hygiene
2 filings
A
American Society Of Addiction Medicine
1 filing
A
American Society Of Addiction Medicine, Inc..
1 filing
A
American Society Of Agronomy
1 filing
A
American Society Of Appraisers
1 filing
A
American Society Of Bariatric Physicians
1 filing
A
American Society Of Civil Engineers
1 filing
A
American Society Of Composers, Authors And Publishers (Ascap)
1 filing
A
American Society Of Composers, Authors, And Publishers
1 filing
A
American Society Of Consultant Pharmacists
1 filing
A
American Society Of Farm Managers And Rural Appraisers
1 filing
A
American Society Of Gene And Cell Therapy
1 filing
A
American Society Of Golf Course Architects
1 filing
A
American Society Of Home Inspectors
1 filing
A
American Society Of Human Genetics
1 filing
A
American Society Of Interior Designers
1 filing
A
American Society Of Interventional Pain Physicians
1 filing
A
American Society Of Landscape Architects
1 filing
A
American Society Of Mechanical Engineers
1 filing
A
American Society Of Media Photographers
1 filing
A
American Society Of Pediatric Nephrology
1 filing
A
American Society Of Pension Professionals & Actuaries
1 filing
A
American Society Of Plant Biologists
1 filing
A
American Society Of Plastic Surgery
1 filing
A
American Society Of Radiologic Technologists
1 filing
A
American Society Of Travel Advisors
1 filing
A
American Society Of Travel Advisors (Asta)
1 filing
A
American Society Of Travel Advisors Former American Society Of Travel Agents
1 filing
A
American Society Of Travel Advisors Inc.
1 filing
A
American Society Of Travel Advisors, Inc..
1 filing
P
Peck Madigan Jones (On Behalf Of American Society Of Clinical Oncology)
1 filing

Source: Senate Office of Public Records — Lobbying Disclosure Act

Contact

Get in touch with American Society of Transplant Surgeons

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1401 South Clark St Ste 1120 Arlington, VA 222024165