Mr Janindra Warusavitarne is a Consultant Colorectal Surgeon based at St. Mark's Hospital and Academic Institute in Harrow.

Mr Warusavitarne is a colorectal surgeon whose clinical practice encompasses all aspects of colorectal surgery with a special interest in intestinal failure, inflammatory bowel disease and colorectal cancer.

Mr Warusavitarne studied for his medical degree at Newcastle University, Australia and completed his general surgical training in Sydney. After becoming a fellow of the Royal Australasian College of Surgeons, Janindra undertook full-time research for three years focusing on the genetics of colorectal cancer which led to the award of a PhD from the University of Sydney, Australia. 

He is an academic surgeon - combining hands on clinical practice with ongoing research into colorectal diseases. He is a Honorary Senior Lecturer at Imperial College while also maintaining his appointment as a Conjoint Senior Lecturer at the University of New South Wales with a cross appointment as a Visiting Scientist to the Garvan Institute of Medical Research. He completed post-fellowship training, specialising in laparoscopic (keyhole) colorectal surgery at the Western Hospital, Melbourne, and then spent a year training in complex colorectal surgery at St Mark's Hospital. He was a consultant colorectal surgeon in Sydney, when he relocated to London with his family, to take up this prestigious post at St Mark's Hospital.