Professor Andy Williams Consultant Knee Surgeon
MBBS FRCS (Orth) FFSEM (UK)

Areas of Expertise
Our consultant knee specialists offer expert diagnosis and tailored care for a full range of knee conditions and sports injuries. From advanced imaging to personalised rehabilitation and precision surgery, they focus on relieving pain and restoring your mobility.
Professor Andy Williams - Professional Bio
Andy specialises in all knee conditions except joint replacement.
He works with many sports professionals including most English Premier League football, and Gallagher Prem rugby clubs teams. He has particular expertise in knee ligament problems and sports-related knee injury. He is a renowned lecturer and prize-winning researcher of knee-related issues. He was named in 'The Times' Britain's 100 Top Doctors, in December 2011.
- Fortius Clinic
- Honorary Reader, Imperial College, London
- Honorary Senior Research Fellow, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Services, University of Oxford
- Visiting Professor in the School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds
- Lead editor of the 39th edition of Gray’s Anatomy
- Published over 200 scientific articles
- Published numerous award-winning studies on knee motion and ligament / meniscal anatomy and surgery
- h-index = 50
- Lectures nationally and internationally on knee surgery
- The American Journal of Sports Medicine Editorial Board Member since August 2020
- ISAKOS: board of directors’ member since 2023
- ISAKOS: finance committee since 2023
- ISAKOS: member of ‘Knee: Sports and Preservation’ Committee since 2019
- ACL Study Group 1st Vice President 2024 (President 2030)
- ACL Study Group Committee: Board Member since 2020
- ESSKA Sports Committee currently since 2014
- ESSKA Meniscus Consensus Project Steering Group member 2015-16
- ESSKA Allograft Consensus Project Steering Group member since 2019
- ESSKA Accredited Teacher since 2019
- Founder and board member Fortius Clinic, London 2009 - 2021
- Member of Editorial Board JBJS (British): 2007–10 and BJJ: 2014-18
- The British Association of Surgery of The Knee Executive Committee Member 2004 –07
- Member Clinicians’ Arts Advisory Board, Chelsea and Westminster Hospital 2013- 2015
- International Teacher for fellows of the Chilean Society of Orthopaedics and Trauma (SCHOT) since 2017
- Board member Innovate Orthopaedics – a UK-based orthopaedic device company
- Founder: Annual Fortius /Dutch Arthroscopy Association Exchange Fellowship since ’08
- ACL Study Group 1st Vice-President
- (President 2030)
- Australian Knee Society
- British Orthopaedic Association
- British Association for Surgery of the Knee (Executive Committee Member 2004-07)
- British Patellofemoral Society (Founding Member)
- British Orthopaedic Sports Trauma Association (Founding Member)
- European Society of Sports Traumatology, Knee Surgery and Arthroscopy (ESSKA) (Member of Sports Committee)
- Faculty of Sports and Exercise Medicine (Founding Fellow)
- Herodicus Society (First British Member)
- International Society Arthroscopy, Knee Surgery, And Orthopaedic Sports Medicine (ISAKOS) (Member of Knee Sports and Preservation Committee)
- Fellow of Royal College of Surgeons of England
Consultations & Outpatient Clinics
Fortius Clinic City

Our City Clinic is conveniently located between Bank and Monument stations, within the historic and financial heart of London. At our modern, two-floor facility we have nine consulting rooms, spacious waiting areas, well equipped treatment rooms and an imaging centre.
Explore our City Clinic with our virtual tour.
If you are travelling by Tube, our closest underground stations are Bank and Monument, exit 6 for King William Street.
Should you be travelling by car, the closest parking is a three minute drive away at NCP Car Park London Vintry Thames Exchange. If you are attending clinic on a weekday, please be aware that we are based in the congestion charge zone.
- 75 King William Street EC4N 7BE
- 0203 195 2442
- Outpatient times are Monday to Friday from 8.00am to 8.00pm.
- Snow Injuries Clinic
- Tendon Clinic
- Sports & Exercise Medicine
- MRI Scan
- Ultrasound
- X-Ray
- Physician services
- Rheumatology
Fortius Clinic London

Our 79,000 sq ft, seven-story, private hospital on Wigmore Street has 39 en-suite inpatient rooms, consultation and treatment rooms, and a physiotherapy suite.
The hospital has a high-spec imaging suite fully equipped with an MRI, CT scanner and X-ray machine. There are three state-of-the-art operating theatres, two anaesthetic rooms and a recovery bay.
Fortius Clinic London has two Mako robots for hip and knee joint replacements.
- 66 Wigmore Street W1U 2SB
- 0203 195 2442
- Outpatient times are Monday to Friday from 8.00am to 8.00pm.
- Sports & Exercise Medicine
- Snow Injuries Clinic
- Tendon Clinic
- MRI Scan
- Ultrasound
- X-Ray
- Physician services
- Rheumatology
- CT Scan
- Imaging guided injections
- Physiotherapy
- MAKO Robotic Joint Replacement
Fortius Clinic Wimbledon

Our Wimbledon clinic houses a state-of-the-art imaging centre with a 3T MRI and X-ray scanners, Ultrasound, seven consulting rooms, two spacious waiting areas and well equipped treatment rooms all located on one level, ensuring easy accessibility for all patients.
Our partnership with Spire St Anthony’s Hospital allows us to provide orthopaedic surgery closer to our clinic. We treat a full range of conditions and perform joint replacement surgery using the latest Mako robotic assisted technology.
The building at 22 Worple Road has steps leading up to the front entrance. If you require assistance please inform us before your arrival by calling ahead on 020 3195 2442
- 22 Worple Road SW19 4DD
- 0203 195 2442
- Outpatient times are Monday to Friday from 8.00am to 8.00pm.
- Snow Injuries Clinic
- MRI Scan
- Ultrasound
- X-Ray
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