Hans Werner Holzwarth started as a photographer and communication designer, then co-led his own company for corporate design. Since 1992, Holzwarth has focused on book design, collaborating with Larry Clark, Robert Frank, Nan Goldin, Boris Mikhailov, Issey Miyake, Albert Oehlen, Richard Prince, Ed Ruscha, Kiki Smith, Juergen Teller, Jeff Wall, John Waters, Christopher Wool, and many others. His titles for TASCHEN include Taschen Collection, Martin Kippenberger, Jeff Koons, and Christopher Wool. Eckhard Schneider, born 1943 in Coppatz near Berlin. After studying art and working for a short time as an art teacher, he became head of the Nordhorn Municipal Gallery from 1976 - 1989. From 1990 - 2000 he was the business manager and artistic director of the Kunstverein Hannover. In addition, he was active as advisor, designer and curator, amongst others for Expo 2000. Since October 2000 he is Director of the Kunsthaus Bregenz. Katy Siegel is an associate professor of art history and criticism at Hunter College-CUNY, and a contributing editor to Artforum. The co-author with Paul Mattick of Art Works: Money (Thames & Hudson, 2004), she has written extensively about modern and contemporary art including, most recently, catalogue essays on Richard Tuttle, Takashi Murakami, and Dana Schutz. Ingrid Sischy is the Editor in Chief of Interview magazine, a position she has held since December 1989. Since 1997 Sischy has also been a contributing editor to Vanity Fair, and has written profiles of artists such as Francesco Clemente, Keith Haring, David Hockney, Jeff Koons, James Rosenquist, actress Nicole Kidman, and performer Madonna. Prior to joining Interview, Sischy was the Editor in Chief of Artforum from 1979 to 1988, at which point she joined The New Yorker magazine as a staff writer and as the magazine's photography critic; later she also became the magazine's fashion critic.