Chief curator, Institute for Studies on Latin American Art, New York
Curator-at-large, Whitney Museum of American Art, New York
Writer and editor, New York
Senior director, White Cube, New York
Founding director, Matthew Brown Gallery, Los Angeles
Founding director, Garth Greenan Gallery, New York
Director, anonymous gallery, New York; founder, Restaurant Projects and KO Art Advisory
Founding director, 56 Henry, New York
President, Pace Gallery, New York
Director, Gagosian, New York
