Ji-Hwan Jung earned, from Dong-A University, a B.S. in Physical Education and, from the Catholic University of Busan, a B.S. in Physical Therapy. He received an M.S. in Sports Medicine from Busan University of Foreign Studies and completed Ph.D. coursework in the same field at the same university. He is now an Adjunct Professor in the Department of Sports Rehabilitation at Busan University of Foreign Studies and serves as the Director of the Physical Therapy Center at a sports rehabilitation hospital. His work in sports rehabilitation and biomechanics has resulted in numerous presentations, lectures, and educational courses; professional memberships, including those in the Korean Society of Exercise Biomechanics and the Korean Functional Rehabilitation Exercise Association, where he serves as Secretary General; and recognition through awards and honors. His research interests include joint stability training, functional training, and injury prevention strategies.