Dr Choi is Chief Director of PIENA Aesthetic Medical Clinic in Gangnam, Seoul. He has been a cosmetic surgeon since 2006.   Dr Choi graduated from YONSEI University College of Medicine in 1998. He has been a Vice-President of ASLS (Aesthetic Surgery & Laser Society). He is a domestically and internationally known clinical consultant & training instructor for various aesthetic institutes and manufacturers. Dr Choi is an expert in facial contouring using filler/toxin injections, fat grafts and thread lifting techniques. Recently, he is actively engaged as a trainer for non-invasive facial rejuvenation including Biostimulators and skin booster treatments. He also has been invited to participate all over the world at numerous conferences and workshops, as an expert of non-invasive facial rejuvenation.