Prof. James Calder

Orthopaedic Surgery (Foot & Ankle)

Chelsea & Westminster Hospital / Fortius Clinic London

Specialist in sporting injuries and foot/ankle preservation; Imperial Professor.

Professor James Calder is a Consultant Orthopaedic Surgeon specialising in foot and ankle conditions with a high-volume sports practice at Fortius Clinic and longstanding links to Chelsea & Westminster Hospital.

Education & training: UK medical and orthopaedic training culminating in FRCS(Tr&Orth) and fellowship experience focused on arthroscopy, cartilage and tendon pathology of the ankle and hindfoot.

Clinical interests: Sports foot and ankle injuries including osteochondral lesions of the talus, Achilles and peroneal tendon disorders, ankle instability and syndesmosis injury, and minimally invasive and arthroscopic techniques for athletes and active patients.

Research, teaching & leadership: Leads multicentre work on outcomes after ankle ligament reconstruction, tendon repair and osteochondral procedures, supervises fellows in sports foot and ankle surgery and teaches on international arthroscopy courses.

Service & systems: Runs accelerated return-to-sport pathways integrating imaging, day-case surgery, personalised rehabilitation and objective outcome tracking for professional and amateur athletes.

Selected publications & contributions: Peer-reviewed papers and book chapters on ankle cartilage restoration, tendon disorders and post-operative rehabilitation with invited keynote lectures in sports orthopaedics.