Visiting Full Professor, Dankook University College of Medicine Hospital/MD, PhD
Chief Advisor, Skinlife (Ju) Easylift, OV Medi (Ju) Omega Lift
Former Academic Director, Korean Society of Aesthetic Plastic Surgery
Former Academic Director and Full Member, Korean Society for Stem Cell Therapy
Developer of Jang's needle and temporal needle thread lifting devices and advisory researcher for thread development
2010.10 Speaker presentation at the 8th East Asia Aesthetic Plastic Surgery Conference of Korea, China, and Japan
2014 Lifting speaker presentation at the Aesthetic Plastic Surgery Asian International Forum
2007-2014 Thread lifting in-house physician training