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Board of Directors

The Board consists of 21 members which include 12 Directors, six Senior Directors, two Directors-Elect, and one Public Director. All Directors serve one seven-year term with most serving an additional three years as Senior Directors. The Public Director may serve two three-year terms.

Nominations come from the American Orthopaedic Association, the American Academy of Orthopaedic Surgeons, and the American Medical Association. Each organization nominates six physicians two out of every three years and the Board elects two Director-Elects each year.

The Board wants to hear from you. Feel free to contact Gregory P. Guyton, MD, ABOS President or David F. Martin, MD, ABOS Executive Director.

Officers

Gregory P. Guyton, MD

Baltimore, MD | President

Gregory P. Guyton, MD, is President of the American Board of Orthopaedic Surgery and has served as Chair of the ABOS Credentials and Research Committees. Dr. Guyton was elected to the Board in 2020. He is Director of the Foot and Ankle Division in the Department of Orthopaedic Surgery at the Union Memorial Hospital where he specializes in foot and ankle surgery.

Gregory P. McComis, MD

Munster, IN | Vice President

Gregory P. McComis, MD, is Vice President of the American Board of Orthopaedic Surgery and has served as Chair of the ABOS Maintenance of Certification Committees. Dr. McComis was elected to the Board in 2023. He is an orthopaedic spine surgeon at Community Hospital and St. Mary Medical Center in Indiana.

Martin I. Boyer, MD

St. Louis, MO | President-Elect

Martin I Boyer, MD, is President-Elect of the American Board of Orthopaedic Surgery and has served as Chair of the ABOS Written Examinations and Subspecialty Certification Committees. He was elected to the Board in 2021. He is the Carol B. and Jerome T. Loeb Professor of Orthopaedic Surgery at Washington University Medical School in St. Louis where he specializes in hand and microvascular surgery.

Kyle J. Jeray, MD

Greenville, SC | Vice President-Elect

Kyle J. Jeray, MD, is Vice President-Elect of the American Board of Orthopaedic Surgery and as served as Treasurer as well as Chair of the ABOS Oral Examinations Committee. Dr. Jeray was elected to the Board in 2021. He is Chair of the Department of Orthopaedic Surgery at Prisma Health-Upstate where he specializes in orthopaedic trauma.

Jennifer Moriatis Wolf, MD, PhD

Chicago, IL | Treasurer

Jennifer Moriatis Wolf, MD, PhD, is Treasurer of the American Board of Orthopaedic Surgery. Dr. Wolf was elected to the Board in 2024 and serves as Vice Chair of the ABOS Credentials Committee. She is Professor and Chair of the Department of Orthopaedic Surgery at the University of Chicago, where she specializes in hand surgery.

Directors

Matthew R. DiCaprio, MD

Albany, NY

Matthew R. DiCaprio, MD, is Director of the American Board of Orthopaedic Surgery and as serves as Chair of the ABOS Continuing Certification and ABOS Oral Examinations Committees. Dr. DiCaprio was elected to the Board in 2022. He is Professor of Orthopaedic Surgery and Pathology at Albany Medical Center where he serves as Director of Orthopedic Oncology.

James R. Ficke, MD

Baltimore, MD

James R. Ficke, MD, is Director of the American Board of Orthopaedic Surgery and services as Chair of the ABOS Credentials Committee. He is the Robert A. Robinson Professor and Chair of the Department of Orthopaedic Surgery at Johns Hopkins Hospital and School of Medicine, where he specializes in foot and ankle surgery and orthopaedic trauma.

Steven L. Frick, MD

Charlotte, NC

Steven L. Frick, MD, is Director of the American Board of Orthopaedic Surgery and serves as Chair of the ABOS Graduate Medical Education and Research Committees. Dr. Frick was elected to the Board in 2022. He is Professor of Orthopaedic Surgery at Atrium Health/OrthoCarolina and Associate Dean, Wake Forest University School of Medicine Charlotte. Dr. Frick specializes in pediatric orthopaedics.

Keith Kenter, MD, ScD (Hon)

Columbia, MO

Keith Kenter, MD, ScD (Hon), is Director of the American Board of Orthopaedic Surgery and serves as Chair of the ABOS Communications Committee and Vice Chair of the ABOS Written Examinations Committee. Dr. Kenter was elected to the Board in 2025. He is Professor of Orthopaedic Surgery at the University of Missouri where he specializes in Shoulder and Elbow Surgery and Orthopaedic Sports Medicine.

Dawn M. LaPorte, MD

Baltimore, MD

Dawn M. LaPorte, MD, is Director of the American Board of Orthopaedic Surgery and serves as Vice Chair of the Continuing Certification and Graduate Medical Education Committees. Dr. LaPorte was elected to the Board in 2024. She is Professor of Orthopaedic Surgery at the Johns Hopkins Hospital and The Johns Hopkins University School of Medicine, where she specializes in hand surgery.

Vishwas R. Talwalkar, MD

Lexington, KY

Vishwas R. Talwalkar, MD, is Director of the American Board of Orthopaedic Surgery and serves of Chair of the ABOS DEI Committee and Vice Chair of the ABOS Oral Examinations Committee. Dr. Talwalkar was elected to the Board in 2025. He is Chief of Staff, Shriners Children’s Lexington, and Chief of Pediatric Orthopaedics, University of Kentucky Healthcare and specializes in pediatric orthopaedic surgery.

Brian R. Wolf, MD, MS

Iowa City, IA

Brian R. Wolf, MD, MS, is Director of the American Board of Orthopaedic Surgery and serves as Chair of the ABOS Written Examination and ABOS Subspecialty Certification Committees. He is the Kim and John Callaghan Endowed Chair in Sports Medicine at the University of Iowa Hospitals and Clinics, where he specializes in orthopaedic sports medicine.

Senior Directors

Frederick M. Azar, MD

Memphis, TN

Frederick M. Azar, MD, is Senior Director of the American Board of Orthopaedic Surgery. Dr. Azar was elected to the Board in 2016 and has served as Vice President and Chair of the ABOS Oral Examination Committee. He is Chief of Staff of Campbell Clinic Orthopaedics and Professor at the University of Tennessee-Campbell Clinic Department of Orthopaedic Surgery and Biomedical Engineering, where he specializes in orthopaedic sports medicine.

Kevin L. Garvin, MD

Omaha, NE

Kevin L. Garvin, MD, is Senior Director of the American Board of Orthopaedic Surgery. Dr. Garvin was elected to the Board in 2018 and has served as President and Chair of the ABOS Oral Examinations Committee. He is the L. Thomas Hood, MD Professor and Chair, Department of Orthopaedic Surgery and Rehabilitation, University of Nebraska, where he specializes in adult reconstruction surgery.

James D. Kang, MD

Boston, MA

James D. Kang, MD, is Senior Director of the American Board of Orthopaedic Surgery. Dr. Kang was elected to the Board in 2017 and previously served as President, Treasurer, and Chair of the ABOS Maintenance of Certification and Research Committees. He is Thomas S. Thornhill, MD, and Karen N. Thornhill Professor of Orthopaedic Surgery at Harvard Medical School, and Chair of Orthopaedic Surgery at Brigham and Women’s Hospital where he specializes in spine surgery.

Charles L. Nelson MD

Philadelphia, PA

Charles L. Nelson MD, is Senior Director of the American Board of Orthopaedic Surgery. Dr. Nelson was elected to the Board in 2019 and previously served as President and as Chair of the ABOS Diversity, Equity, and Inclusion Task Force and Chair of the ABOS Credentials Committee. He is Professor of Orthopaedic Surgery and Chief of Adult Reconstruction, Perelman School of Medicine at the University of Pennsylvania, where he specializes in adult reconstruction surgery.

Scott E. Porter, MD, MBA

Greenville, SC

Scott E. Porter, MD, MBA, is Senior Director of the American Board of Orthopaedic Surgery. Dr. Porter was elected to the Board in 2017 and previously served as Vice President and as Chair of the ABOS Credentials Committee. He is Vice Chair of Operations in the Department of Orthopaedic Surgery at Prisma Health-Upstate where he specializes in bone and soft tissue tumors.

Lisa A. Taitsman, MD

Chicago, IL

Lisa A. Taitsman, MD, is Senior Director of the American Board of Orthopaedic Surgery. Dr. Taitsman was elected to the Board in 2019 and previously served as Vice President and as Chair of the ABOS Graduate Medical Education and Maintenance of Certification Committees. She is Director of Orthopaedic Trauma, University of Chicago School of Medicine, where she specializes in orthopaedic trauma.

Directors Elect

Melvyn Harrington, Jr., MD

Houston, TX

Melvyn Harrington, Jr., MD, is Director-Elect of the American Board of Orthopaedic Surgery. Dr. Harrington is Professor of Orthopaedic Surgery, Baylor College of Medicine where he specializes in Adult Reconstruction Surgery.

C. Benjamin Ma, MD

San Francisco, CA

C. Benjamin Ma, MD, is Director-Elect of the American Board of Orthopaedic Surgery. He is Chairman of Orthopaedic Surgery at the University of California, San Francisco, and specializes in Shoulder Surgery and Orthopaedic Sports Medicine.

Public Member

Ruth Ann Dorrill