Mr Tillman is a Consultant Orthopaedic Surgeon. He gained his specialist training in Manchester, Wrightington, Boston USA and the Mayo Clinic USA.

Mr Tillman specialises in primary and revision hip and knee replacement and hip resurfacing.

He is a specialist in bone tumour surgery, and is a former president of the British Orthopaedic Oncology Society. Mr Tillman is an examiner for the Royal College of Surgeons in the Orthopaedic Fellowship.