Associate curator, Metropolitan Museum of Art, New York

Curator, Hammer Museum, Los Angeles; co-founder, Black Radical Imagination

Freelance writer and editor, New York

Director, Swiss Institute, New York

Assistant professor, Johns Hopkins University, Baltimore

Curator, Guggenheim Museum, New York

Curator, Museum of Modern Art, New York

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