Graduating from Leeds University with a BA Hons in Fine Arts, John was the first recipient of the Antiques Trade Gazette Ivor Turnbull Memorial Prize for valuations in 1997. He joined Woolley and Wallis Fine Art Auctioneers, Salisbury in 1993 and is now a director of the company. As well as his work at the auction house, John lectures regularly and has made several television appearances.