Dr Christopher Leo Cheang Han

Dr Christopher Leo graduated from the Auckland University School of Medicine in 2002 and practiced in New Zealand before relocating to Singapore in 2005. After completing his Internal Medicine and Nephrology Specialist training in Tan Tock Seng Hospital, he was awarded the Healthcare Manpower Development Plan Fellowship to advance his expertise in endovascular intervention for vascular dialysis access in Sydney, Australia.

Prior to joining Raffles Hospital, Dr Leo was the Director of the Nephrology Senior Residency Programme and Interventional Nephrology Services at the National University Hospital, where he was involved in training future nephrologists and advancing minimally invasive dialysis access procedures.

Dr Leo is a fellow of the Royal College of Physicians of Edinburgh and the Academy of Medicine, Singapore. He previously served as an Adjunct Assistant Professor at Yong Loo Lin School of Medicine, National University of Singapore. His research has been published in numerous international peer-reviewed journals on dialysis access, general nephrology, and renal therapeutics. Dr Leo has been regularly invited to conduct workshops and deliver lectures at both local and international conferences to share his insights on advancing nephrology care. His dedication to medical education earned him the National University Health System Heroes Educator Award in 2020 for outstanding contributions to postgraduate training. Committed to improving renal care at a systemic level, Dr Leo actively contributed as a Board Member and past Vice Chairman of the Academy of Medicine Renal Chapter and Executive committee member of the Society of Dialysis Access Specialists.

Currently, Dr Leo serves as the Chairman of the Internal Medicine Cluster and Clinical Director of Nephrology and Dialysis Services, leading strategic initiatives to elevate patient care, clinical innovation, and interdisciplinary collaboration. His clinical expertise spans the management of hemodialysis, peritoneal dialysis, glomerulonephritis, and chronic kidney disease. Dr Leo also performs specialised procedures such as percutaneous renal biopsies tunneled dialysis catheter insertions, and endovascular interventions for arteriovenous fistulas/grafts.