Mr Andy Williams

Founder of Fortius Clinic

Knee surgeon at, and founder of Fortius Clinic, London; and Reader at Imperial College, London.

Fellowship in Brisbane, Australia with Peters Myers / McMeniman. Senior Lecturer / Honorary Consultant at The Royal National Orthopaedic Hospital, Stanmore ’97-00 then 15 years at The Chelsea and Westminster Hospital.

Exclusively ‘sports knee’ surgery now. 90% of patients are professional athletes- he is the usual knee surgeon for many teams including the majority of English Premier League football and rugby clubs. He undertakes approximately 100 ACL reconstructions per year and a multi-ligament reconstruction every 2-3 weeks. This latter work represents one of the World’s largest experiences.

He has published over 150 peer-reviewed articles: some award-winning, as well as many other publications. A study of knee motion employing weight-bearing, ‘dynamic’ MRI was awarded The Hunterian Professorship by The Royal College of Surgeons of England for 2005-2006. Current focus is on the MCL after a period of work on the anterolateral soft tissues with relevance to ACL injury, and published improved clinical outcomes in elite athletes by applying the lessons learned in the Andrew Amis lab at Imperial College. He was a lead editor of the 39th Edition of Gray’s Anatomy. A cadaveric study on ramp lesions of the medial meniscus is the 11th most cited meniscus research article per year 1976 – 2019, and another on chondral treatment techniques is 35th  most cited publication ever in orthopaedic knee research. His h-index is 46.

He sits on the Board of Directors of ISAKOS and serves on their finance and knee: sports and preservation committees. He is second vice-president of The ACL Study Group and so will be president in 2030. He sits on the Editorial Board of The American Journal of Sports Medicine, and previously the Editorial Board of The Bone and Joint Journal, as well as The ESSKA Sports Committee.  He was previously on the executive of The British Association for Surgery of The Knee. In 2002 he was awarded the ABC Travelling Fellowship. He was named in the UK’s Top 100 Doctors by the Times newspaper in 2011. He is the first UK member of The Herodicus Society, a U.S.-based sports surgery society.

He lectures nationally and internationally and delivered the inaugural Werner Müller lecture at ESSKA 2021.