Dr Lee, is currently the Deputy Group CEO of SingHealth (Regional Health System). He is concurrently the CEO of Changi General Hospital, a 1000 bed public acute teaching hospital. Prior to these appointments he was the Deputy, Director of Medical Services for Health Services and Healthcare Performance in the Ministry of Health (MOH) Singapore where he led the strategic development and improvement of healthcare services. His past appointments included Senior Director of Health Regulation, Head Health Services Finance (MOH) and Director Corporate Affairs Singapore General Hospital.
Dr Lee is a member of several international committees and locally currently Chairs the Singapore Healthcare Improvement Network (SHINe). He is an Adjunct Professor with the Singapore University of Technology and Design and Adjunct Associate Professor in the Saw Swee Hock School of Public Health, National University of Singapore.
Dr Lee co-edited Singapore's Health Care System: What 50 Years Have Achieved (published 2015) and also contributed the chapter on Strategies for Health Services in the 6th edition of the Oxford Textbook of Public Health (2015).