Dato’ Dr Nik Ritza Kosai is currently a Senior consultant and head of the Upper GI and Bariatric Surgical Unit at the Department of Surgery, Hospital Canselor Tuanku Muhriz, PPUKM since 2011.He graduated from The University of St Andrews Scotland, followed by University of Manchester and postgraduate and fellowship in Northwest of England. Since 2011, he has performed over 2300 bariatric surgeries and over 500 intragastric Balloons. He is very active in teaching and research with over 130 peer reviewed publications. His research interest is in metabolic outcomes following bariatric surgery, oesophageal and gastric cancers, helicobacter pylori and gastro-oesophageal reflux and has received over Rm 2 million in grants. He currently sits in the committee for the National Upper GI surgery subspeciality programme and currently the President of the Malaysian Metabolic and Bariatric surgical society.