Duncan is a Consultant Urological Surgeon at the University Hospitals of Leicester NHS Trust and an Honorary Professor at the University of Leicester. His general surgical then urological training was in Plymouth, Southampton and Portsmouth, obtaining Reconstructive Fellowships in the USA (Texas, North Carolina and Arkansas) and at the Institute of Urology in London. A Consultant since 2001 he moved to Leicester in 2005 on leaving the Royal Navy as a Surgeon Commander after 19 years of active service with numerous deployments, both on land and at sea, to areas of unrest and conflict throughout the world. His major interests are in surgical andrology and the structure/provision of surgical services and workforce planning. He leads the East Midlands Penile Cancer Supra-network (6.5 million population) and has chaired the East Midlands Regional Training Committee since 2009. He was Chairman of the European Association of Urology (EAU) Guidelines Panel in Urological Trauma 2009-2015 and has examined at his local Medical School and for the FRCS (Urol) for over 12 years (now an assessor of examiners) and sat on the Intercollegiate Board of Urology until 2017 He was the President of the British Association of Urological Surgeons (BAUS) from 2018 to 2020 after 15 continuous years of service in various peer-elected positions (Regional Representative, Secretary and Chairman of the Section of the Andrology and Genito-Urethral Surgery, Honorary Secretary and Vice President) within BAUS. He was elected President of the Federation of Surgical Specialty Associations (FSSA) in September 2020 and enjoys the challenges of representing the breadth of surgical practice.