Career at Technische Universität Darmstadt (TU Darmstadt):

• Electrical Engineering studies 
• Assistant teacher at the department of Electrical Engineering
• Guest lecturer at the department of Architecture
• Research in Traffic Lighting Technology on behalf of  "Fraunhofer Gesellschaft" 
• 1975: Doctorate (Dr.-Ing.) from the department of Electrical Engineering
• Since 1997:
• Professor for "Building Design and Lighting Technology" at the department of Architecture.
• Since 2011:
• Head of the study group “Lighting” at the department of Architecture

Career in Industry 1979 through 2003:

• ERCO GmbH, Luedenscheid
• Head of Lighting Research and Application

Research

• 2004 through 2010:
• Research coordination and research consultancy for OSRAM AG in the field of 
• “LED Technologies”
• on behalf of  the German Federal Ministry of Education and Research (BMBF)

Teaching Positions

• Hochschule Wismar, Faculty Design in professional Master´s course „Architectural Lighting Design“
• Züricher Hochschule für Angewandte Wissenschaften ZHAW,
  Winterthur
• „Professionelle Lichtplanung in der Architektur“

Book Publications

(amongst others)

• „Handbuch der Lichtplanung“
  Rüdiger Ganslandt, Harald Hofmann
  Verlag Vieweg, 1992
  ISBN 3-528-08895-8