Prof. Hamel is a Senior Orthopedic Surgeon at the Schön Klinik München Harlaching (Department of Foot and Ankle Surgery). With a focus on foot and ankle conditions in children, adolescents and adults, he has published extensively on clubfoot, planovalgus deformity, ankle replacement, imaging techniques, and gait analysis. A member of the Scientific Committee of the European Foot and Ankle Society, he has also organized the annual pediatric foot and ankle meetings of the German Foot and Ankle Society since 1999 (Member of the Board of this Society from 1999 to 2015). He has also served as an instructor and speaker for numerous national and international courses and congresses.