Mr Hariharan is an internationally recognised Consultant Orthopaedic Surgeon in Wales specialising in the treatment of pathological conditions of the foot and ankle such as Bunions, Arthritis of the ankle, big toe, complex foot deformity, fractures of the foot and ankle, sports injuries of the foot and ankle, joint replacement of the foot and the ankle, key hole surgery (arthroscopy) of the foot and ankle, ankle soft tissue injuries amongst others. He is well known for his expertise with sports injuries of the foot and ankle, diabetic and rheumatoid foot disorders and sees patients from many parts of the world and is actively involved in the treatment of professional and elite athletes in the country.