Clinical Assistant Professor Ji-Yong Ahn from Uijeongbu St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, has been attended “The Clinical Observership Training in Foot & Ankle Surgery” at Department of Orthopedic Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University between November 12th – 20th, 2018, under the supervision of Associate Professor Bavornrit Chuckpaiwong, Chief of The Orthopaedic Foot and Ankle Surgery Division.