Dr. Ahn was born and raised in New York City. He attended Brown University for college and medical school, and returned to New York for an orthopedic surgery residency at the Hospital for Joint Diseases/ NYU combined program. He graduated in 2003, and did an additional year of fellowship training in hand and upper extremity surgery at the Tufts / New England Baptist Hospital combined program. He worked at Cedars Sinai Hospital where he was involved in teaching USC plastic surgery residents hand surgery before moving down to the South Bay. He currently continues to teach, and serves as the Chief of the Hand Surgery Service in the Department of Orthopedics at Harbor UCLA. He is board certified in Orthopedic Surgery and Hand Surgery. In his spare time he loves to surf, snowboard, and play tennis.