| 2012 |
HEAVY METAL II, Hartell Gallery, Cornell University Ithaca N.Y. |
| 2009 |
LIGHT WORKS, Gering & López Gallery, New York |
| 2009 |
EINFÜHRUNGEN 2006-2009, Architektur Galerie Berlin |
| 2008 |
ART-CITY AND MORE, Architektur Galerie Berlin |
| 2008 |
HEAVY METAL, Deutsches Architekturmuseum Frankfurt |
| 2007 |
KÖLN SKULPTUR 4, Skulpturenpark Köln |
| 2006 |
BLACK PAINTINGS, Center for Contemporary Non Objective Art, Brüssel |
| 2005 |
LICHTSSKULPTUREN, Theresiakerk, Eindhoven |
| 2005 |
SIEBEN SAKRALE RÄUME, Museum Kempland, Eindhoven |
| 2005 |
AUTONOMY AND DIALOGUE, Vertigo, Eindhoven |
| 2003 |
SIEBEN SAKRALE RÄUME, Kunststation St. Peter, Köln |
| 2002 |
8 BUILDINGS, Henry Urbach Architecture, New York |
| 2001 |
KÖLN SKULPTUR 3, Skulpturenpark Köln |
| 2001 |
SPATAL INTERSECTIONS (Gruppenausstellung), CCNOA, Brüssel |
| 2001 |
LICHTINSTALLATION, Aedes East Extension Pavillon, Berlin |
| 2001 |
FERROUS FORMS, Aedes West, Berlin |
| 2000 |
BILD UND SKULPTUR, Center for Contemporary Non Objective Art, Brüssel |
| 2000 |
DAS RÄTSEL GIBT ES NICHT, kuratiert von Petra Thomas, Galerie Achim Kubinski |
| 2000 |
SPEAKING ARCHITECTURE, Henry Urbach Gallery, New York |
| 1999 |
KÖLN SKULPTUR 2, Skulpturenpark Köln |
| 1999 |
THE UNPRIVATE HOUSE, kuratiert von Terence Riley, MOMA, New York |
| 1998 |
7 WALL SCULPTURES, Project Room, Sandra Gering Gallery, New York |
| 1998 |
DREI STELEN, permanente Installation, Halle - fertig gestellt Juni 1998 |
| 1997 |
9 x 9 x 9, Sandra Gering Gallery, New York |
| 1996 |
THREE MONOLITHS, Galerie Sophia Ungers, Köln |
| 1996 |
HOUSES FOR SALE - 10 Architekten stellen Häuser aus, Galerie Sophia Ungers, Köln |
| 1996 |
5 x 5 x 10 WITH LIGHT, Petra Bungert Gallery, New York |
| 1996 |
URBAN STRUCTURES, Gruppenausstellung von 11 New Yorker Künstlern, München |
| 1995 |
MINIMAL, Ausstellung von 3 Architekten, Galleri Rom for Arkitektur, Oslo |
| 1995 |
LIGHT VERTICAL, University of Buffalo, Art Gallery and Research Center, Buffalo, N.Y. |
| 1994 |
LINE - PLANE - VOLUME, Sandra Gering Gallery, New York |
| 1993 |
RED SLAB IN SPACE, Galerie Sophia Ungers, Köln |
| 1993 |
XY, Galerie Philomene Magers, Bonn |
| 1992 |
INLINE, Sandra Gering Gallery, New York |
| 1991 |
POST AND BEAM, Galerie Sophia Ungers, Köln |
| 1988 |
UNTITLED, Art on the Beach Program, Gruppenausstellung, Long Island City, N.Y. |
| 1987 |
EXCAVATION, Fairmont Park, Philadelphia, PA |