*.General Surgeon (Hue,VN); *. ENT (Hue,VN); *. Leprosy Surgeon (I.L.A.D); *.Leprologist (C.E.S de Léprologie, Dakar, Senegal); *.Level II Dermatologist (HCMC);
*.Speaker at The Combined Congress of 27th Asean Orthopedic Association-6th Vietnamese Orthopedic Association-12th Spine society of HCM city (HCMC-December, 2007); *.International Hospital Federation 1996 Associate Fellow (Hongkong-London);
*.Fellowship in Saint- Louis Hospital at Department of Plastic Surgery and Department of Dermatology (Paris, 2008).
*.Fellow of Ho Chi Minh Society for Laser in Medicine and Surgery ;
*.Fellow of Vietnamese Society of Dermatology and Venereology;
*.International Fellow of American Academy of Dermatology