Director of Guill & Stevenson, hand engravers of Hatton Garden, London. Carries out a wide and varied range of commissions, from coats of arms to jewellery and one-off pieces. Notable pieces include the Formula One trophy cup and the Sports Personality of the Year trophy.
Duncan began his training on a pre-apprenticeship course in hand engraving at the Sir John Cass School of Art in 1976. From there he went on to do a full apprenticeship with Guill & Stevenson, eventually taking over the company in 1982.