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
Jay R. Lieberman, MD
Michael A. Mont, MD
Charles L. Nelson, MD
Ran Schwarzkopf, MD
Giles R. Scuderi, MD
Rafael J. Sierra, MD

STANDING COMMITTEES

As of 03.2026.  All committee positions, except the Membership Committee, begin and end their terms at the Open Meeting (Specialty Day). Membership Committee change-over occurs at the closed Members Meeting.

Committee Charges

Membership Committee

Chair:  Denis Nam, MD
Chair-Elect:  William M. Mihalko, MD, PhD
Ran Schwarzkopf, MD
William J. Long, MD
Past Chair:  David J. Mayman, MD
REAL Liaison:  Claudette M. Lajam, MD 

Program Committee

Chair:  Matthew P. Abdel, MD
James D. Slover, MD
Ronald E. Delanois, MD
David J. Mayman, MD
Timothy M. Wright, PhD
Past Chair:  Fred D. Cushner, MD

REAL Mentorship Committee (jointly with The Hip Society)

Claudette M. Lajam, MD - KS Co-Chair
Rafael J. Sierra, MD - HS Co-Chair
Alejandro Gonzalez Della Valle, MD
James A. Browne, MD
Ronald E. Delanois, MD
Jess H. Lonner, MD
Eric M. Smith, MD
Linda I. Suleiman, MD - Ad-Hoc Member
Charles L. Nelson, MD - Past Co-Chair
Antonia F. Chen, MD - Past Co-Chair

Nominating Committee

Chair:  Steven B. Haas, MD
Matthew P. Abdel, MD
Mark J. Spangehl, MD

Finance Committee

Chair (Treasurer):  Charles L. Nelson, MD
Secretary:  Scott M. Sporer, MD
President:  Craig J. Della Valle, MD
Immediate Past President:  Steven B. Haas, MD

Operations Committee (jointly with The Hip Society)

Co-Chair:  Charles L. Nelson, MD
Fred D. Cushner, MD

Research Committee

Chair:  James I. Huddleston, III, MD
Jeffrey A. Geller, MD
Derek F. Amanatullah, MD, PhD
Paul Khanuja, MD
Past Chair:  Gwo-Chin Lee, MD

Digital Content Committee (jointly with The Hip Society)

Chair:  William G. Hamilton, MD
Alejandro Gonzalez Della Valle, MD
James D. Slover, MD
Brett R. Levine, MD
Paul Khanuja, MD
Christopher E. Pelt, MD
Chad A. Krueger, MD