2001-

2003-2009

1992-1999

Feb 1999

2006

2009-

Feb 2000‚Äč

2000-2003

1990-1992

Professorship at Florida International University, College of Architecture + The Arts, Co-Director of the Structures and Environmental Technologies Lab (SET), Urban Sustainability Studios Miami Beach (MBUS), Miami, FL, USA

Cass Gilbert Visiting Professor for Innovations in Sustainable Solar and Renewable Energy in Architecture, University of Minnesota, Minneapolis, USA

Professorship at the University of Southern California (USC), School of Architecture, and Affiliate of the USC Energy Institute, USC Sustainable Cities Program, and USC Wrigley Institute on Catalina,, Los Angeles, California, USA

Visiting Professor at the Center for Building Performance and Diagnosis, Intelligent Workplace, Carnegie Mellon University, Pittsburgh, PA, USA

Guest Professor, Universidad del Desino, Facultad de Arquitectura y Urbanismo, San Jose, Costa Rica

Call for a Tenured Professor Position at the University Hannover, Germany, Department for Landscape Architecture and Environmental Development

DAAD Visiting Professor (German-American Exchange Program) University of Houston, Texas, G. Hines College of Architecture; USA

Tenured Professorship University of Applied Science Leipzig (HTWK), Department of Architecture, Germany

http://wwwm.htwk-leipzig.de/~spiegel/index_eng.html

Workshop Houston-Leipzig
http://wwwm.htwk-leipzig.de/~spiegel/workshop/index.html

Competition Result Peninsula Gruna, Leipzig-Houston
http://wwwm.htwk-leipzig.de/~spiegel/gruna/gruna_index.html

Uncentro de atencion para "LA BOCA, Buenos Aires, Diploma Project 97-98
http://wwwm.htwk-leipzig.de/~spiegel/12.html

Assistant Professor, University of Kaiserlautern, Department of Architecture, Town Planning, Environmental and Civil Engineering, Germany

"Intelligent Buildings - Klimawerkzeug Architektur", Traveling exhibition in collaboration with the University of Kaiserslautern, Department of Architecture and Town Planning, in the gallery "Der Raum", Darmstadt and AEDES Berlin, Publishing House J. Haeusser, Darmstadt, Germany