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Expert Bio

Primary Area of Expertise

Orthopedic Surgery

Expert Witness Profile

C. Thomas Vangsness Jr., M.D., is a board certified orthopedic surgeon and a tenured Professor of Orthopedic Surgery at the Keck School of Medicine at USC. Upon graduation from medical school, he completed his Residency in Orthopaedic Surgery along with two fellowships in Sports Medicine and Bioengineering. Dr. Vangsness specializes in the conservative and operative treatment of sports injuries and is recognized as a leader in the field of sports medicine. Over his 30 year career, he has published more than 100 journal articles, lectured extensively both nationally and internationally, has been on the editorial boards of several journals, and is the recipient of numerous academic awards for his contributions to the field. In 2014, Orthopedics This Week named Dr. Vangsness as one of the "Top 28 North American Sports Knee Surgeons". In 2018, Castle Connolly named Dr. Vangsness as one of America's Top Doctors. In Southern California, he continues to be voted top doctor numerous times and received multiple awards in both Los Angeles and Pasadena.

Dr. Vangsness has been providing expert witness services for numerous years. His services include consultations, medical record reviews, and independent medical exams. As an expert witness, he has presented 30+ depositions and issued numerous expert opinions. He has experience in a wide range of cases including workman's compensation, personal injury, and medical malpractice.

Education & Licenses

B.A. Chemistry and Asian Studies, St. Olaf College; Doctor of Medicine, University of Minnesota School of Medicine