Mr Marsh graduated from Bristol University Medical School and completed his Plastic Surgery training in Cambridge and London. He is on the GMC Specialist Register for Plastic Surgery, is a Fellow of the Royal College of Surgeons of England, has a PhD from University College London and is a member of the British Association of Plastic Surgeons and the British Association of Aesthetic Plastic Surgeons.
Currently, Dan holds a substantive appointment at the Royal Free Hospital, London, where he specialises in breast surgery, facial reconstruction and skin cancer treatment. Mr Marsh has published extensively in the Plastic Surgery literature, with over 30 peer reviewed articles. He has been awarded several prizes, including the Hackett Prize from the British Association of Aesthetic Plastic Surgeons for his work on reducing complications in plastic surgery.