2011
| Rome, Casa dell'Architettura dell'Acquario Romano
|
2010
| Moskow, Architektur Biennale Moskau
|
2007
| Kassel, KAZ im KUBA: architectdocuments
|
2006
| Shanghai, Light+Building: The architects collection
|
2005
| Cologne, Vitra Showroom
|
| Bahrain, Intelligent Building Middle East
|
| Munich, Bau 2005: Makro-Architektur
|
| Berlin, Aedes: Handelsarchitektur NRW
|
2004
| Cologne, Orgatec: Objektive
|
| Cologne, Passagen: m.a.d.
|
2003
| Bonn, Bundeshaus: artib
|
2002
| Berlin, UIA-Kongress/plancom: PRO-day
|
| Frankfurt, Light+Building: PRO-day
|
2000
| Cologne, Orgatec: o.a.s.e. New Work Architecture
|
| Cologne, plan2000: FrauenMediaTurm
|
1999
| Cologne, plan99: Galerie Holtmann
|
1998
| Berlin, Aedes
|
1996
| Cologne, Buchhandlung König
|
1993
| Cologne, Kölner Wirtschaftsbauten
|
1992
| Cologne, Kölner Bauideen
|
1991
| Venice, 5th Biennale of Architecture
|
1990
| Paris, 3ième Salon international de l‘architecture
|
| Leipzig, Ideen-Orte-Projekte
|
1989
| Köln, Design in Köln
|
1988
| Cologne, Internationales Industriebau-Symposium
|
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