A/Prof Wong Moh Sim is Senior Consultant Chemical Pathologist in the Department of Laboratory Medicine at Khoo Teck Puat Hospital. She graduated from the University of Leicester in UK and is a Fellow of the Royal College of Pathologists (UK) in Chemical Pathology and the Royal College of Pathologists of Australasia.

She serves on various committees, including the Health Sciences Authority External Quality Assessment Programme. Her clinical interest is diabetes mellitus and she runs clinic sessions at the Diabetes Clinic at Admiralty Medical Centre.