1974, Kemper Arena, Kansas City, USA
1977, Michigan City Public Library, Michigan City, USA
1979, Tribune Tower Late Entry Competition (unbuilt), Chicago, USA
1980, Xerox Center, Chicago, USA
1982, Board of Trade (addition), Chicago, USA
1982, First Source Center, South Bend, USA
1982, One South Wacker Office Building, Chicago, USA

1985, New York City Coliseum (unbuilt), Columbus Circle, New York, USA
1985, Times Square Redevelopment, New York, USA
1986, Northwestern Rail Terminal, Chicago, USA

1989, City Spire, New York, USA
1989, Messe Frankfurt Convention Center, Frankfurt, Germany
1991, Messe Tower, Frankfurt-am-Main, Germany
1994, Hotel Kempinski, Munich, Germany
1994, Hilton Munich Airport, Munich, Germany
1995, State of Illinois James R. Thompson Center, Chicago, USA

1999, Munich Airport Center, Munich, Germany


2001, Shanghai New International Expo Center, Shanghai, China
2002, Bayer Headquarters, Leverkusen, Germany
2003, Post Tower, Bonn, Germany
2003, Jeanne and John Rowe Village, Chicago, USA

2005, Highlight Towers, Munich, Germany



2007, Margot & Harold Schiff Residences, Chicago, USA




2016, Doha Exhibition & Convention Center, Doha, Qatar