Philip Hook has over forty-five years of expertise in the art market as a dealer and auctioneer, most recently as a board member and senior director of the Impressionist & Modern Art department at Sotheby's in London. He has appeared regularly as an expert on the BBC's Antiques Roadshow. With a degree in the history of art from Cambridge, Hook joined Christie's in 1973, heading their 19th Century Paintings department from 1980 to 1987.