ACADEMIC POSITION: Dr. Chul-Won Ha is a professor of the Department of Orthopedic Surgery; Samsung Medical Center; Sungkyunkwan University. He is the chief of Knee Service (Arthroplasty; Arthroscopy; and Sports medicine) . He is also the director of stem Cell and Regenerative Medicine Institute of Samsung Medical Center; Seoul; Korea. EDUCATION: He received his MD at the Seoul National University in 1989 and completed a specialization in orthopedics in 1994. In 1999; he received a PhD. PROFESSIONAL ACTIVITIES: He is the Executive Vice President of the Korean Society for Sports Medicine; Medical Committee Member of Korean Olympic Committee; Executive Board Member of Korean Orthopedic Research Society. He is currently the Chairman of Scientific Committee of the Korean Society for Stem Cell Research; and the Korean Society of Stem Cell & Regenerative Medicine for Locomotor System. He is an Editorial board member of Journal of Knee Surgery & Related Research; Journal of Arthroscopy and Orthopedic Sports Medicine; Journal of Korean Orthopedic Association. RESEARCH INTERESTS: His research has been focused on cartilage restoration with stem cells. He successfully commercialized a stem cell based medicinal product “Cartistem” which is approved for clinical application to restore the articular cartilage in osteoarthritis.