Persatuan Kajian Obesity Malaysia or Malaysian Society for the Study of Obesity (MASO) was registered (Bil:PPM 1102/93) with the Registrar of Society on 15 February 1994 and was officially launched by YB DatukNapsiah Omar on 17 July 1994 at Padang Merbok, Kuala Lumpur. The Founding President for MASO (1994-1995) was Dato’ Dr. Ismail Merican, Deputy Director General of Health Malaysia. At the 3rd AGM in 1996, EmeritusProf.Dr.Mohd Ismail Noor, was elected President MASSO and it’s Secretariat moved from Servier Ltd (Malaysia), to the Department of Nutrition and Dietetics, UniversitiKebangsaanMalaysia. In 1998, MASSO changed its name to “Malaysian Association for the Study of Obesity (MASO)” to be in line with its international affiliate the International Association for the Study of Obesity(IASO) (now known as World Obesity Federation) and other bodies around the world.

MASO members mainly comprise of Nutritionists, Dietitians, Clinical Psychologists, Endocrinologists, Medical Doctors and other related health professionals. MASO strive to enhance the understanding of obesity including causes, manifestations, prevention and management principles through various local and international collaborative studies.

MASO organises Scientific Conferences once every two years, Workshops and International Conferences such as the 2nd Asia-Oceania Conference on Obesity (AOCO) in 2003 and Asia Pacific Obesity Conclave (APOC) in 2007. We also run weight management camps for the general public and institutions. MASO is also represented in several Ministry of Health (MOH) Malaysia health promotion activities and are active members in several MOH Committees including the National Coordinating Committee on Food and Nutrition (NCCFN) since 1996. Collaboration with other professional bodies namely Nutrition Society of Malaysia (NSM) and Malaysian Dietitians’ Association (MDA) is made to organise Nutrition Month Malaysia since 2002 and various other scientific events.

As a professional body, MASO is affiliated with the World Obesity Federation, formerly known as International Association for the Study of Obesity (IASO) since 1998, a Founding Member of the Asia-Oceania Association for the Study of Obesity (AOASO) since 1998 and Confederation of Scientific and Technological Associations Malaysia (COSTAM) in 2000.

MASO greatest achievement thus far must be the success in jointly organising with World Obesity Federation the International Congress on Obesity (ICO), a world congress on obesity held once in four years, held in KLCC Kuala Lumpur from 16-20 March 2014.