Associate Professor Eugene Liu Hern Choon is concurrently Chief Sustainability Officer and Group Director for Strategic Facilities Planning at the National University Health System (NUHS), leading the environmental sustainability drive in NUHS and planning the redevelopment of NUH. He is also a Senior Consultant in the Department of Anaesthesia, National University Hospital (NUH). He previously served as NUH CEO, Head of the NUH Department of Anaesthesia, and Assistant Dean for Academic Affairs at NUS Yong Loo Lin School of Medicine.