Since 1938, Knoll has collaborated with a diverse group of designers worldwide. de Armas, Raul van Campen, Tim Aalto, Alvar Abramovitz, Gerald Aferiat, Paul Albers, Anni Albini, Franco Albinson, Don Alessandri, Marc Allen, Davis Ambasz, Emilio Asti, Sergio Aulenti, Gae Baleri, Enrico Barnes, Jhane Bauer, Wolf Beetz, Anne Bellman, Hans Bernett, Jeffrey Berthier, Marc Bertoia, Harry Birsel, Ayse Boeri, Cini Bonet, Antonio Breuer, Marcel Butler, Lewis Cafiero, Vincent Castiglioni, Achille Castiglioni, Pier Giacomo Chadwick, Don Christen, Andreas Colebrook Bosson Saunders Copeland, Stephan Cortès, Pepe Cosonas, Dorothy Couture, Lise-Anne Crinion, Jonathan D’Urso, Joseph DeFuccio, Robert Diffrient, Neils Dodziuk, Nicholas Eisenman, Peter Eldon, Jim Fahnstrom, Dale Ferrari-Hardoy, Jorge Formway Design Frankel, Neil Franzolini, Enrico Frattini Magnusson, Emanuela Frattini, Gianfranco Gavina, Dino Gehry, Frank Gernreich, Rudy Girard, Alexander Graham, Brian Gwathmey, Charles Haigh, Paul Hamburger, Peter Hannah, Bruce Haraszty, Eszter Haussler, Christa Haussmann, Robert and Trix Held, Marc Hicks, Sheila Hill, Evelyn Hollien, Hans Huguenin, Suzanne Ivièeviæ, Dragomir Jacobsen, Arne Jeanneret, Pierre Knoll Bassett, Florence Knorr, Donald R. Kotilainen, Antti Kulicke, Robert Laske, Lawrence Lee, Gary Lelii, Angelo Lepage, Marc Lin, Maya Lissoni, Piero Living Divani Lluscà, Josep Lovegrove, Ross Lucci, Roberto LTL Magistretti, Vico Magnussen, Erik Magnusson, Carl Mangiorotti, Angelo Maran, Marco Matta, Roberto Sebastian Matter, Herbert Maxdesign McCoy, Michael Meier, Richard Mercer, Lucia Michie, Clay Mies van der Rohe, Ludwig Miller, Abbott Morrison, Andrew Mourgue, Pascal Nakashima, George Noguchi, Isamu Nordstrom, Kurt Orlandini, Paolo Pearson Lloyd Pearson, Max Pensi, Jorge Petitt, Don Pfister, Charles Piiroinen Platner, Warren Pollock, Charles Ponti, Gio Prestini, James Pulfer, Adrian and Merkley, Parry Rae, Christine Rapson, Ralph Rashid, Hani Rasmussen, Jorgen Reuter, Robert Riart, Carlos Ricchio, Linda and Joseph Risom, Jens Rozier, Charles Saarinen, Eero Sapper, Richard Scarpa, Tobia Schultz, Richard Seiler, Mathias (for Sedus Design)