Member of Indonesian Medical Association；
Executive Committee of Indonesian Surgeon Association (ISA)；
President of Indonesian Hernia Society (IHS)；
Founding Member and Formal President of Asia-Pacific Hernia Society (APHS)；
Governor and Formal Vice President of ELSA；
Vice President of Asian Society of Cryosurgery；
Founding Member of Asia-Pacific Metabolic & Briatric Surgery Society (APMBSS)；
Founding Member of Indonesian Coloproctology Society (ICS)；
Board Member of Asia Endosurgery Task Force；
Course Director of Basic Laparoscopic Surgery；
Asian Society of Cryosurgery.