Mr Hanna is a fellowship-trained consultant orthopaedic surgeon with a specialist interest in hip and knee disorders. His NHS practice is based at the Royal London Hospital, one of the busiest major trauma centres in Europe, where he treats severely injured patients and those with complex hip and knee problems in a tertiary environment. His clinical interests include primary and complex primary joint replacements for degenerative conditions (arthritis), revision (re-do) joint replacement surgery for failure or infection, arthroscopic (keyhole) knee surgery for cartilage and ligament sports injuries, and the surgical management of lower limb trauma and fractures.

Mr Hanna's orthopaedic training was on the prestigious Royal National Orthopaedic Hospital (RNOH) training programme during which he had excellent exposure to the full spectrum of hip and knee disorders and their reconstructive treatments including joint preservation techniques, arthroscopic (keyhole) surgery and joint replacement surgery. Following completion of training, he undertook two advanced sub-speciality fellowships focusing exclusively on hip and knee surgery; the first was for a year at the world-renowned Rorabeck-Bourne Joint Replacement Institute at the University of Western Ontario in Canada, and the second was for a year at the Royal London Hospital, Barts Health.

In addition to his clinical commitments, Mr Hanna is appointed as an honorary senior lecturer at Barts and The London School of Medicine and Dentistry, where he is actively involved in research, teaching, and training. His research endeavours to date have centred primarily around hip and knee reconstruction. His main interests include the assessment of outcomes following hip and knee surgery, and evaluating the behaviour of different bearing surfaces and materials used in total hip and knee replacements. He has authored more than 47 peer reviewed articles, which can be found using this link: https://pubmed.ncbi.nlm.nih.gov/collections/57670742/?sort=pubdate