Dr. Ismail an Emeritus Professor in Nutrition, UKM (2014) is a Visiting Professor, UniSZA (2021). His research interest includes energy requirements and obesity. He was a member, WHO consultation on obesity, WHO, Geneva, 1997 and Singapore, 2002 and FAO/WHO/UNU Expert Consultation on Energy in Human Nutrition, FAO, Rome, 2001. He was President AOASO (2014-2018), Secretary, IASO (2010-2014) and President, MASO (2019-2021). He was awarded, Fellow, International Union of Nutritional Sciences, FIUNS (2005), Fellow, Academy of Sciences Malaysia, FASc(2006) and Foreign Correspondent, French Academy of Medicine, FCFAM (2017).