*.General Surgeon (Hue,VN);
*.ENT (Hue,VN);
*.Leprosy Surgeon (I.L.A.D);
*.Leprologist (C.E.S de L辿prologie, Dakar, Senegal);
*.Level II Dermatologist (HCMC);
*.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;
*.Speaker at The Combined Congress of 27th Asean Orthopedic Association-6th Vietnamese Orthopedic Association-12th Spine society of HCM city (HCMC-Decembe..