• Founder President
Asia Pacific Hernia Society (APHS) (2004)
• President-Elect – International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO)
2012-13
• President– IFSO
Asia Pacific Chapter)
• President-Asia Pacific Chapter of International Federation for the Surgery Obesity and Metabolic Disorders (IFSO)
2011-13
• President– Asia Pacific Metabolic & Bariatric Surgery Society (APMBSS)
2010-12
• Honorary Member of German Hernia Society
Germany in 2011
• Honorary Member of Gulf Cooperation Council Hernia Society (National Chapter of Asia Pacific Hernia Society)
Dubai in 2010
• Honorary Member of Indonesian Hernia Society
Bali
Indonesia in 2009
• Past President
Obesity & Metabolic Surgery Society of India (OSSI)
• Past Governor (India)
Society of Endoscopic and laparoscopic surgeons of Asia (ELSA)
• Advisor- Asia Pacific Endosurgery Task Force (AETF)
• President-Obesity & Metabolic Surgery Society of India (OSSI)
2006-2010
• Indian Association of Gastrointestinal Endo-surgeons (IAGES) )
• Trustee - 2006 to date
• Past President: 2004 - 2006
• President:2002 – 2004
• President-Elect: 2000 -2002
• Honorary Secretary:1998 - 2000
• Vice President:1994 - 1998
• Member
The Society of American Gastrointestinal and Endoscopic Surgeons (SAGES)
• Member
International Association of Endocrine Surgeons (IAES)
• Member
International Society of Surgery (ISS)
• Member
European Association for Endoscopic Surgery (EAES)
• Member
International Medical Science Academy (FIMSA)
• Member
Indian Society of Oncology (ISO)
• Governing Council Member
Association of Surgeons of India (ASI)
• Member
National Academy of Medical Science (MNAMS)
• Member
Indian Society of Gastroenterology (ISG)
• Member
Indian Association of Surgical Gastroenterology (IASG)
• Founder Member
Obesity Surgery Society of India (OSSI)
• Member
Membership Drive Committee – Association Surgeons of India (ASI)
• Member
Workshop Committee – Association Surgeons of India (ASI)
• Patron
Health Care Welfare Society)
• Patron
Association of Endoscopic Surgeons (AES)
• Fellow
American College of Surgeons (FACS)
• Fellow
The Association of Surgeons of India (FAIS)
• Fellow
International College of Surgeons (FICS)
• Invited by various prestigious Organizations & Foundations in the country/overseas and delivered many orations
keynote addresses
and guest lectures