Samuel Valette, Senior Specialist, Impressionist & Modern Art Department, Sotheby's London, has more than 20 years of experience in sourcing and selling Modern masterpieces, such as those by Pablo Picasso, René Magritte, Amedeo Modigliani, and Gustav Klimt, among others. Since joining Sotheby’s in 2003, he has played a key role in bringing major works and collections to market, as well as identifying works for collectors and structuring private transactions at the highest level.