| 2020 |
Albertina Museum, Wien / Austria |
| 2016 |
Museum Haus Konstruktiv, Zurich / Switzerland |
| 2006 |
FIFA, Hauptsitz, Zurich / Switzerland |
| 2006 |
Lucent Tower, Nagoya / Japan |
| 2006 |
Midtown Tower, Mitsui Fudosan, Tokyo / Japan |
| 2004 |
Max Bill/Georges Vantongerloo Foundation, Zumikon / Switzerland |
| 2004 |
Sammlung Sal Oppenheim, Köln / Germany |
| 2000 |
Privatsammlung, Zurich / Switzerland |
| 2000 |
Privatsammlung, St. Moritz / Switzerland |
| 2000 |
Swiss Re, Zurich / Switzerland |
| 1999 |
McKinsey & Co. Inc., Zurich / Switzerland |
| 1999 |
Klinik im Schachen, Aarau / Switzerland |
| 1999 |
Bank Ehinger & Armand von Ernst AG, Zurich / Switzerland |
| 1998 |
Scor Holding, Zurich / Switzerland |
| 1997 |
Bank Vontobel, Zurich / Switzerland |
| 1996 |
HSBC Trinkhaus & Burkhardt, Düsseldorf / Germany |
| 1995 |
Credit Suisse, Zurich / Switzerland |
| 1994 |
Ringier Verlags- und Pressehaus, Zurich / Switzerland |
| 1994 |
Klinik Hirslanden, Zurich / Switzerland |
