DOTS, Anthony Grant Gallery, New York, 2005

MATRIX XIV, Bloomberg Headquarter, New York, 2005

MATRIX XIV, Bloomberg Headquarter, New York, 2005

MATRIX XIV, Bloomberg Headquarter, New York, 2005

FADE II, Haeusler Contemporary, Munich, 2004

MATRIX XIII, Haeusler Contemporary, Munich, 2004

MATRIX XIII, Haeusler Contemporary, Munich, 2004

MATRIX XII (top), 2003

MATRIX XII (front), 2003

MATRIX XII (back), 2003

FLOW, Wood Street Galleries, Pittsburgh, PA, 2003

FLOW, Wood Street Galleries, Pittsburgh, PA, 2003

MATRIX X, Berliner Festspiele, 2004

MATRIX X, Berliner Festspiele, 2004

MATRIX X, Art Chicago, 2003

MATRIX IX, 2002

MATRIX VIII, 2002

MATRIX VI, 2002

MATRIX VI (detail), 2002

MATRIX V, 2003 Francis Greenburger Collection, New York, NY

MATRIX V, 2003 Francis Greenburger Collection, New York, NY

MATRIX V, 2003 Francis Greenburger Collection, New York, NY

MATRIX V, LIGHT 2001, Stein/Krems, Austria

MATRIX V (detail), LIGHT 2001, Stein/Krems, Austria

MATRIX IV, 2001

MATRIX IV (detail), 2001

MATRIX IV (detail), 2001

MATRIX III, 2001

MATRIX II (Riva Gallery), 2000/2003

MATRIX II (Galerie Stadtpark), 2000/2003

MATRIX I (Austrian Cultural Forum), 2000/2002

MATRIX I (Austrian Cultural Forum), (detail), 2000/2002

MATRIX I (Calvin Klein), 2000/2002

MATRIX I (Calvin Klein), (street view), 2000/2002

MATRIX I (Calvin Klein), (detail), 2000/2002

MATRIX I (Macdonia), 2000/2002

Serpent II (blue), 2000

Serpent II (red), 2000

Serpent II red (detail), 2000

Blue Line, 2000/2003

Shifting, Very Slowly, 1998/1999

Light Volume, 1998

Spatial Gradient, 1998

Planes, 1997

3 x 3 = 9, 1998

3 x 3 = 9 detail, 1998

Framed, 1998

Keep In Mind, 1997

Step by Step, 1996

Corner Study II (Location One), 1996/2002

Corner Study II (Chicago), 1996/2002

Parallel Mesmerization, 1995

Parallel Doubt, 1994

Sex Is A Dirty Thing, 1991

Walztanz 60, 1989