Dr Daniel Hap is a Consultant Orthopaedic Surgeon at Tan Tock Seng Hospital, Singapore, specialising in adult hip and knee reconstruction. His clinical interests include robotic-assisted arthroplasty, enhanced recovery after surgery (ERAS), and complex primary and revision joint replacement.

He completed a fellowship in complex hip and knee reconstruction at the internationally renowned Exeter Hip Unit and Exeter Knee Reconstruction Unit, United Kingdom, 

Dr Hap is a Core Clinical Faculty Member of the NHG Orthopaedic Surgery Residency Programme and a Clinical Lecturer at both the National University of Singapore and Nanyang Technological University.