A/Prof Leong Keng Hong is a Consultant Rheumatologist at Gleneagles Medical Centre and Adjunct Associate Professor, Yong Yoo Lin School of Medicine, National University of Singapore. He founded the Osteoporosis Society (Singapore) in 1996 and served as its President until 2004. He was the Inaugural Chairman of the Chapter of Rheumatologists, College of Physicians, Academy of Medicine, Singapore from 2004-2007 and its current Chairman until 2013.

He is active in research and has published numerous original articles in reputable journals and chapters in medical and rheumatology textbooks. Special areas of interest include autoimmune diseases such as arthritis and lupus; degenerative diseases such as osteoporosis and osteoarthritis.