CCJR® LEADERSHIP

EXECUTIVE COMMITTEE
Adolph V. Lombardi, Jr., MD - Senior Director
Robert L. Barrack, MD - Deputy Director
William G. Hamilton, MD - Deputy Director
Steven J. MacDonald, MD - Deputy Director

ADVISORY COMMITTEE
James A. Browne, MD
Craig J. Della Valle, MD
C. Anderson Engh, MD
Fares S. Haddad, MD
Michael A. Mont, MD
Charles L. Nelson, MD
Ran Schwarzkopf, MD
Giles R. Scuderi, MD

STANDING COMMITTEES

As of 03.2025.  All committee positions, except the Membership Committee, begin and end their terms at the Open/Winter Meeting (Specialty Day). Membership Committee change-over occurs at the Summer Meeting.

MEMBERSHIP COMMITTEE
Samuel S. Wellman, MD - Chair
Ran Schwarzkopf, MD
James A. Browne, MD
William J. Long, MD
Paul E. Beaulé, MD
Matthew P. Abdel, MD - Past Chair
Charles L. Nelson, MD - DEI Liaison

DIVERSITY, EQUITY, INCLUSION COMMITTEE (JOINTLY WITH THE KNEE SOCIETY)
Charles L. Nelson, MD - Co-Chair
Matthew P. Abdel, MD
James A. Browne, MD
Antonia F. Chen, MD (The Knee Society Co-Chair)
Ronald E. Delanois, MD
Rafael J. Sierra, MD
Bryan D. Springer, MD

PROGRAM COMMITTEE
Christopher L. Peters, MD - Chair
Steven J. MacDonald, MD
Jonathan M. Vigdorchik, MD
Ryan M. Nunley, MD
Edward Ebramzadeh, PhD
Paul E. Beaulé, MD - Past Chair

FELLOWSHIP & MENTORSHIP COMMITTEE
Amar S. Ranawat, MD - Chair
Christopher E. Pelt, MD
William J. Long, MD
Ryan M. Nunley, MD
Rafael J. Sierra, MD - Past Chair

FINANCE COMMITTEE
William Macaulay, MD - Chair
Steven J. MacDonald, MD
Don S. Garbuz, MD

RESEARCH COMMITTEE
William Mihalko, MD, PhD - Chair
Jeremy M. Gililland, MD
Jonathan M. Vigdorchik, MD
Carlos A. Higuera-Rueda, MD, PhD
Michael A. Mont, MD - Past Chair 

NOMINATING COMMITTEE
Don S. Garbuz, MD - Chair
Thorsten M. Seyler, MD
Rafael J. Sierra, MD

OPERATIONS COMMITTEE (JOINTLY WITH THE KNEE SOCIETY)
William Macaulay, MD - Co-Chair
John C. Clohisy, MD

DIGITAL CONTENT COMMITTEE (JOINTLY WITH THE KNEE SOCIETY)
William G. Hamilton, MD - Chair
Alejandro Gonzalez Della Valle, MD
Gwo-Chin Lee, MD
Brett R. Levine, MD
Michael A. Mont, MD
Christopher E. Pelt, MD
Chad A. Krueger, MD

Committee Charges