Kristine Stiles is Professor of Art and Art History at Duke University, Durham, North Carolina, and has contributed to numerous books, including Out of Actions: Between Performance and the Object (1997), Theories and Documents of Contemporary Art: A Sourcebook of Artists' Writings (1996) and Phaidon's Paul McCarthy (1995).
Klaus Biesenbach is the Founding Director of Kunst-Werke Institute for Contemporary Art, Berlin, and Curator at the Museum of Modern Art and its affiliate, the P.S.1 Contemporary Art Center, New York.
Chrissie Iles is Curator at the Whitney Museum of American Art in New York, where she co-curated the 2004 and 2006 Whitney Biennials.