Leading international specialist, author and lecturer in British and European Glass. Currently an independent Fine Art consultant. Formerly Managing Director (Bonhams Europe) and Director of European Ceramics and Glass at Bonhams Auctioneers, London (2007-2021). Formerly Head of European Ceramics and Glass at Sotheby's, where he was also a Director and auctioneer (1990 to 2007). Following studies for a degree in History at Cardiff, Washington and Manchester universities, he started his career as a senior curator of ceramics, glass and silver at museums in London, Newcastle-upon-Tyne and Glasgow (1979-1990). He is Hon. President of the Glass Circle, Fellow of the Guild of Glass Engravers and a Fellow of the Corning Museum of Glass, New York.