(with Sabine Schlatter, Vittorio Santoro)

(with Mark Power)

(with Adler,AES+F,Balkenhol,Barcelo,Chamberlain,Com&Com,Dominicis,Delvoye,Eisenberger,Fontana,Gerosa,Greenfield,Guccione, Howell,Kabakov,Kaeppeli,Kounellis,Leutenegger,Levy,McCurry,Mendini,Sander,Schmid,Signer,Stark,Turello,Vital,Weston)

(with ALMA + Kuehne)

(with Hall)

(with Gerber + Tusek)

(with Barbara Friedman, Edie Nadelhaft, Brad Nelson, Joe Wardwell, Joni Wehrli)

(with Peter Homitzky, Mark Safan, Ray Bernick, Neslihan Catto, Jose Del Solar, Sharon Kendrick, Rick Leon, JoAnne Lobotsky, Barbara Lowenstein, Susan Lukas, Robert Mammarella, Roberta Melzl, Gail Nicholson, Christine Penska, Valerie Phillips, Marne Rizika, Ariadne Scibetta )

(with Anuell Balogh Baumann Billy BoeschensteinBollder Bruhin Daetwyler Eisenring Estermann Germann Graf Grueter Guillemet Hefti Huber Julier Keller Koch Kohle Vermot Leonardi Madison Marti Bitnik Meier Mousset Naepflin Nelson Netzhammer Orlow Pong Pooch Chiarenza & Hauser Rueegger Sander Schenker Stauffer Stuermlin Tauriainen Utzni Vorisek Wachter Jud Walder )

(with ALMA Breuning Brevi Wicki Waser Caduff Caroll Della Chiesa Erb Lopez Germann/Lorenzi Goodwin Grueter Hagmann Halter Helbling Huber Huber Jakob Krieg Maag Marusic Eisenbart Mickry 3 Mozzini Palkovits Palla Prachoinig Rasser Schena Schmidt Schreiber Schwander Sieber Silver Spieser Spoerri Staub Trachsel Wandeler Witholt Zimmermann Zindel Zobrist Waeckerlin Zuppinger )

(with Peter Caine)

(with Reinaldo Luza, Ruben Natal-San Miguel, Charles Vincent Sabba)

(with Baltensberger Baykal Bossert Bosshart Braeuninger Bruhin Canameras Crettol Disler Divo Dubach Eloyan Farner Gachnang Gadliger Giger Grab Graf Guldenschuh Gwerder Haeckel Halpern Hasler Heim Heller Herzog Hoelzel Hirsl Humm Rellstab Kaiser Kaufmann Keller Knecht Kuhn Kurfiss Lanz Lienhart Lustig Maurer Meister Mueller Naghel Ott Preisig Pulver Rueegg Sadkowsky Sandoz Schatzmann Schifferle Iskander Schmidlin Schwarz Senn Steffen Strba Thomkins Timmermahn Vecellio Viscontini Weber Wegmueller Wicki Wipf Wyss Zanre Zeier Zumbrunnen )

(with Kasper Bosmans, Edith Dekyndt, Ceal Floyer, Janice Guy, Gary Indiana, Erika Keck, Izhar Patkin, Nicolas Provost)

(with Jan Baracz, Sarah Beatty, Linda Byrne, Kathleen Casey, Chico, Susanna Coffey, Marguerite Van Cook, John Copeland, Jamie Dalglish, Daria Deshuk, Elizabeth Dworkin, Ula Einstein, Steve Ellis, Erik Foss, David Friedman, Day Gleeson, William Graef, Robert Grant, Linda Griggs, Dominick Guida, Fred Gutzeit, Richard Hambleton, Allen Hansen, Daniel G. Hill, David Hochbaum, Kylie Heidenheimer, Bruno Jakob, Tom Jarmusch, Else Kahane, Kim Keever, Marc Kehoe, Tine Kindermann, Lisa Lebofsky, Susan Leopold, Wayne Liu, Bonnie Lucas, Yuri Masnyj, Bill Massey, Everett McCourt, Mary Jane Montalto, Molua Muldown, Joe Heaps Nelson, Angel Ortiz, Andrei Petrov, Kembra Pfahler, Philly aka Kondor 8, Jim Power - The Mosaic Man, Mark Power, Rick Prol, Jim Radakovich, Louis Renzoni, James Romberger, Cynthia Beth Rubin, Samoa, David Sandlin, Phyllis Sanfiorenzo, Karen Schifano, Mary Schiliro, Larry Silver, Judith Simonian, Kiki Smith, Nico Dios Smith, Flavia Souza, Robin Tewes, Miguel Trelles, Anton Van Dalen, Mary Jo Vath, Rafael Velez, Yona Verwer, April Vollmer, Melanie Vote, Pauline Walsh, David Wander, Roger Welch, Amy Westphal, Scott Williams, Jimmy Wright, Jeffrey Cyphers Wright, Guang Zhu, Anthony Zito )

(with Bruno Jakob, Myla Dalbesio, Nandi Loaf, Anton Matzke)

(with John Armleder, Hans Arp, Boris Billaud, Bolasz, Renata Bünter, Manuel Burgener, Raffaella Chiara, Chiarenza & Hauser & Croptier, Herman de Vries, Liliana Gassiot, Karl Gerstner, Mireille Gros, Michael Günzburger, Anja Harms,Werner Hartmann)

(with Bellet, Bischof, Gschwend, Hirschhorn, Hominal, Huber.Huber, Koch, Masueger, Orlowska, Pinarci, Polony, Roos, Schenker, Schonfeldt, Schwarzbek, Wegmueller)

(with Athanasios Argianas, Maiken Bent, John Brill, Liam Everett, Zipora Fried, Samara Golden, Leigh Ledare, Dorothea Tanning, This is our work)

(with Aeschbach,Aeschbacher,Al-Ameri,Atem,Atifi,Bruhin,Bürgin,Danz,Dobler,Elsener,Frauenfelder,Gähler,Germann & Lorenzi,Glatz,Goodwin,Graf,Grogg,Güdemann,Hauri,Heinzen,Hüppi,Muheim,Müllenbach,Mürner, Pomiansky,Schnider,Schreiber,Sheppard,Singer,Sperini,Steiner)

(with Anüll, Archetti, Baumann, Boller, Brauen, Dobler, Freisager, Gähler, Geering, Giger, Huber.Huber, Jericke, Kobler, Koch, Mattioli, Nguyen, Pfeiffer, Rondinone, Rova, Rüthi, Sala, Schifferle, Shahbazi, Streuli, Zeier)

(with Astala, Bratkov, Brotherus, Dehnel, Feldmann, Koeke, Kraft, Langlade, Schiller, Stellmach, Tremorin, Veit)

(with Bratkov, Brotherus, Astala, Fortuné, Guimarães, Sunil Gupta, Gyllenhammar, Kalmbach, Langlade, Muheim, Neuchs, Schiller, Tremorin)

(with Bratkov, Brotherus, Astala, Fortuné, Guimarães, Sunil Gupta, Gyllenhammar, Kalmbach, Langlade, Muheim, Neuchs, Schiller, Tremorin)

(with Araujo,Haven,Radsprecher,Ridge,Salerno,Simon)

(with Bossert,Bruhin,Czerwinski,Coray,Delèze,Ercan,Foletti,Frey,Geisler,Gut,Hasler,Häusermann,Hophan,Ita,Kälin-Squ.,Kaufmann,Knoblauch,Lier,Morgenthaler,Muheim,Otto Müller,S. Müller, Laurent,Armando,Rearte,Rempfler,Roth,Schumow,Schütz,Schweizer,Stücheli,Zwalen)

(with Artur Zmijewski, E.Weber)

(with Artur Zmijewski, E.Weber)

(with Aeschlimann Bellenot Berger Bolle Bosshard Camesi Clement Crivelli Desbouiges Disler Draeger Dubois Ellmerer Estoppey Evrard Fendt Floquet Frey Gentil Goettin von Graffenried Graumann Grosbety Huber Jaquet Jeanneret Jurt Lermite Levy Lombard Lovay Lucchini Luginbuehl Mase Micheli Moeschler Moser Mosset Mueller Muniz Nemours Niestle Oswald Presset Rabus Schimansky Simonin Siron Vaccari Vacossin Warmoes Wittwer Wyler Zuber )

(with Bachman, Balassanian, Gärtner, Klekamp, Kreissl+Kerber, Lutz, Silbermann, Weible)

(with Arman Yegya, Burse Anja, Chen Teresa, Gaertner Federica, Gay Faith, Herzog Peter Z., Leyel Carl, Nager Bessie, Schumow Aleksandr, Weilenmann Harry Jo)

(with Jakob Bruno, Streuli Beat)

(with Blatter, de Crignis, Jakob, Pozarek, Zaloudek)

(with Ackermann, Huber, Streuli etc)

(with Dieter Hall, Rosina Kuhn etc.)

(with Cavigelli, Krakenberger, Menz, Sonder, Trachsel, Wick, Wittwer, Zindel)

(with Moser + Gärtner)

(with deCrignis, Zimmermann, Brunner)

(with Fischli Weiss, Hoepflinger Regnier, Viscontini, Etter, Meier,Galli, Leuenberger, Wunderli, Bohmert, de Rota)