Médico Cirujano por la Universidad Chulalongkorn en Tailandia

Profesor Emérito de la Universidad Chulalongkorn en Tailandia

Honorary Fellow Philippine Society of Colorectal Surgeons

Honorary Fellow The Association of Colon and Rectal Surgeons of India

Honorary Fellow Singapore Society of Colorectal Surgeons

Honorary Fellow American Society of Colon and Rectal Surgeons