Prof Chee, 61, started his distinguished career in healthcare in 1973 when he was a house officer in the Ministry of Health. His medical appointments at present include being a senior physician in the Department of General Medicine at TTSH. He chairs the NHG Chairmen Medical Board (CMB) Committee, the Residency Advisory Committee (Internal Medicine) at MOH HQ, the Singapore Medical Council Committee for the Accreditation of House Officer Training Post, MOH, and the Agency for Integrated Care (AIC) GP Advisory Panel.

Besides these, he serves on many other panels and committees, both locally and overseas. Prof Chee was appointed Assistant CEO (Clinical), NHG, in 2003. Prof Chee received the Pingat Perkhidmatan Awam (Silver) in 1991, and the Public Administration Medal (Gold) and the Public Service Medal (Mindef), both in 2006.

Prof Choo, 52, started as a House Officer in MOH - in 1982 - after which he crossed over to TTSH as registrar in 1987. A TTSH veteran, he holds myriad positions at the hospital where he is the Chairman, Medical Board (TTSH), Lean Sponsor (TTSH), Lean Champion (NHG) and Senior Consultant, Department of Geriatric Medicine (TTSH).

He is a member on the Medical Advisory Boards for Ang Mo Kio Hospital and Bright Vision Hospital. He also sits on the Board of Directors, Johns Hopkins Singapore International Centre, Management Board of NHG 1-Health, NHG, and the Medicine Advisory Committee of the Health Sciences Authority.

Assoc Prof Lim Tock Han, 46, is Assistant CEO in charge of Education in NHG. He is Director of the National Healthcare Group Eye Institute, a position he has held since 2004. He is also Senior Consultant in TTSH's Ophthalmology Dept, Clinical Assoc Prof in Ophthalmology, Division of Graduate Medical Studies, National University of Singapore, and Adjunct Assoc Prof, School of Materials Science & Engineering, National Technological University. He is also immediate past and founding President of the College of Ophthalmologists, Academy of Medicine, Singapore, and Visiting Professor at Universiti Kebangsaan Malaysia.