Assistant professor in the Department of Plastic and Reconstructive Surgery in Chang-Gung Memorial Hospital, Linkou Medical Center, Taiwan. Dr. Chang is specialized in peripheral nerve reconstruction, head and neck reconstruction, hand and extremities reconstruction, perineal reconstruction, robotic microsurgery. He is also the founder and the primary investigator of International Microsurgery Club (IMC) and the editor-in-chief of International Microsurgery Journal (IMJ). He aims to create a good online educational platform for global microsurgeons.