During that period, he became the first to put contemporary furniture by designers such as Marc Newson into fine art auctions.
[1] In 2002 Ségalot left Christie's and began working privately,[2] operating GPS Partners alongside Franck Giraud and Lionel Pissarro, in New York and Paris.
[3][4] At the sale of Marion Lambert's collection at Phillips, de Pury & Company in 2004, he purchased Barbara Kruger's I Shop Therefore I Am.
[6] Also in 2008, he negotiated the private sale of Andy Warhol's Eight Elvises (1963) from the collection of Annibale Berlingieri for $141.5 million.
[11] In 2014, The Guardian named Ségalot in their "Movers and makers: the most powerful people in the art world".