Professor James Calder Consultant Foot and Ankle Surgeon
OBE TD MD PhD FRCS (Tr&Orth) FFSEM (UK)

Areas of Expertise
Our consultant foot and ankle specialists offer expert diagnosis and tailored care for lower limb and foot conditions. From advanced diagnostics to personalised treatment and surgery, they focus on relieving pain and restoring your mobility.
Professor Calder - Professional Bio
As a founding member of the Fortius Clinic, Professor Calder has an internationally recognised reputation in the expert treatment of sports injuries.
He works with international athletes and sports professionals including Premier League soccer teams, Paris St Germain, FC Barcelona, AC Milan and Aviva Premiership rugby clubs in addition to the British Olympic team, British athletics, gymnastics, hockey, netball and sailing, England cricket, rugby and soccer. Furthermore, he regularly provides care for patients from the Royal Ballet, Covent Garden and Birmingham Royal Ballet and is Medical Advisor to Dance UK.
Read Forbes' article about professional athletes Professor Calder has treated.
Professor Calder spent a year as foot ankle fellow to Dr Terry Saxby in Brisbane and was awarded a travelling sports orthopaedic fellowship in the USA. He was appointed Consultant at the North Hampshire Hospital, Basingstoke in 2002, moved to the Chelsea and Westminster Hospital in 2010 and is a Professor in the Department of Bioengineering Imperial College, London.
Professor Calder remains actively involved in research projects at the Imperial College and the Fortius Clinic. He is President of ESSKA-AFAS and immediate Past-Chairman of the Achilles Tendon Study Group. He is Specialty Editor at the Bone and Joint Journal and was Associate Editor of Knee Surgery, Sports, Traumatology and Arthroscopy (KSSTA) Journal until 2014. Professor Calder served on the Clinical Studies Group for Arthritis Research UK and has done since 2011. His main areas of research include Achilles tendon, articular cartilage and sports-related ankle and foot injuries. He has developed a major clinical interest in the arthroscopic treatment (keyhole surgery) of ankle conditions and sports-related foot and ankle injuries.
- OBE for Sport and Exercise, 2021 New Years Honours List in reflection of his contribution to teaching and research.
- Clinical Lead at the NHS Nightingale Hospital during Covid 19 pandemic.
- Associate Editor and Editorial Board of The Bone & Joint Journal.
- Former Associate Editor and Editorial Board, Knee Surgery, Sports Traumatology, Arthroscopy Journal (KSSTA).
- Chairman International Achilles Tendon Study Group.
- Vice President ESSKA - AFAS (The European Society of Sports Traumatology, Knee Surgery and Arthroscopy).
- Medical Advisor, UK Dance.
- International lecturer on foot and ankle surgery and sports injuries.
- Regular Instructional Course Lecturer for the American Academy of Orthopaedic Surgeons.
- More than 100 scientific publications in peer-reviewed journals.
- Editor of several books and authored over 30 book chapters.
- British Orthopaedic Foot and Ankle Society.
- European Society for Sports Surgery Knee Arthroscopy (ESSKA).
- International Cartilage Repair Society.
- American Academy of Orthopaedic Surgeons.
- American Orthopaedic Foot and Ankle Society.
- Fellow of the Royal Geographic Society.
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 StreetEC4N 7BE
- 0203 195 2442
- Monday to Friday from 8.00am to 8.00pm.
- Snow Injuries Clinic
- Tendon
- Sports & Exercise Medicine
- Ultrasound
- X-Ray
- Physician services
- Rheumatology
- MRI Scan
Fortius Clinic Marylebone Wing

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 StreetW1U 2SB
- +442031952442
- Open 24 hours
- Sports & Exercise Medicine
- Snow Injuries Clinic
- Tendon
- Ultrasound
- X-Ray
- Physician services
- Rheumatology
- CT guided injection
- MRI Scan
- CT Scan
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.
Take a tour of our clinic virtually through Google 360 views here.
We are open Monday to Friday from 8.00am to 8.00pm, and Saturday mornings from 8.30am to 12.30pm.
If you are travelling by Tube, our closest underground station is Wimbledon (District Line), which also has rail and tramlink services from central London and beyond.
There is no parking available at the clinic, but we have a number of parking facilities all within a 10-12 minute walk of the clinic: Centre Court Car Park, Broadway Car Park, and Hartfield Road Car Park. Please note that all of these facilities are paid car parks.
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 RoadSW19 4DD
- 0203 195 2442
- Snow Injuries Clinic
- Ultrasound
- X-Ray
- MRI Scan
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