He started his surgical training in one of the renowned hospitals in Taipei after he graduated from National Taiwan University Medical College. Besides gastroenterology surgery, he has undergone sub- specialty training in breast and endocrine surgery as well. Upon returning to Malaysia, he completed his clinical attachment in various district hospitals for 4 years. As part of increasing public in health awareness, Assistant Professor Dr Lee successfully conducted breast cancer awareness campaigns in Johor and Negeri Sembilan. He has been a clinical lecturer at International Medical University and PU-RCSI while serving in Hospital Tuanku Ampuan Najihah and Hospital Putrajaya. He is currently a lecturer at the Faculty of Medicine, Universiti Tunku Abdul Rahman (UTAR).