IDI, PAPDI(Fellow of INASIM), PEGI(Ketua Umum 2007-2011), PGI(Wakil ketua 2007-2011), PPHI, PUSKI, APASL, APSDE(Councellor), OMGE/WGO, OMED/WEO, ACG(Fellow of American College of Gastroenterology), ASGE(Fellow of American Society of Gastrointestinal Endos