Claude Viallat is also représented internationally in Tokyo by Gallery Itsutsuji and in New-York by Leo Castelli.
Lloyd spent part of the late 80s in New York where he developed relationships with Leo Castelli, with whom he conducted extensive documentary interviews, and fellow painter Julian Schnabel.
He is the father of two daughters: Anne Clergue (a curator of contemporary art who has worked at Leo Castelli Gallery) and Olivia Clergue (a handbag fashion designer whose godfather was Pablo Picasso).
While photographing the 1964 Venice Biennale, Mulas met several American artists, art critics, and the art dealer Leo Castelli.
Leo Tolstoy | Pope Leo XIII | Leo Gorcey | Leo Burnett | Leo Brouwer | Leo VI the Wise | Leo | Pope Leo X | Leo Durocher | Wadada Leo Smith | Ted Leo | Pope Leo I | Pope Leo IX | Melissa Leo | Leo Carrillo | Ted Leo and the Pharmacists | Leo Castelli | Leo Burnett Worldwide | San Leo | Leo Strauss | Leo Marks | Leo Laporte | Léo Ferré | Leó Szilárd | Leo Slezak | Leo Frobenius | Leo Cárdenas | Pope Leo XII | Leonardo Leo | Leo Fall |
In the early 1960s, while working at the Leo Castelli Gallery he helped sell the works of, bestow fame upon, popularize and market the initial generation of Pop artists, including Andy Warhol, Jasper Johns, Roy Lichtenstein, James Rosenquist and Robert Rauschenberg.
From the mid eighties on, Barceló's work (paintings, drawings, sculptures and ceramics) has been subject of numerous shows worldwide in renowned galleries (Galerie Bruno Bischofberger, Leo Castelli) important museums and at other cultural sites.
His bright, large work has been exhibited at prestigious institutions internationally, including the Hara Museum of Contemporary Art, Centre Georges Pompidou, Paris, the Guggenheim Museum SoHo, New York, the Japan Society, New York;,The National Museum of Modern Art, Tokyo, Leo Castelli Gallery, New York, Galerie Oko, Berlin, The Museum of Contemporary Art Los Angeles and The Metropolitan Museum of Art, Seoul, among others.