Krissen Chettiar is an expert in lower limb surgery and trauma reconstruction, particularly hip and knee replacement and revision. He earned his medical degree from Imperial College London and holds a BSc in Neuroscience and an MSc in Medical Law and Ethics. His orthopaedic training in the South East included developing an accelerated recovery joint replacement program. He completed fellowships in joint reconstruction and trauma at Frimley Park Hospital and the University of Calgary. Active in teaching and research, he has published extensively and presented nationally and internationally.