Wolfgang Frey, a dynamic, sought-after public speaker and urban planning visionary, has headed Frey Architekten since 1991. Founded in 1959 by Friedrich Frey, the architectural office is located in the German eco-city of Freiburg im Breisgau. As one of the pioneers in sustainable architecture, Frey Architekten has been using solar panels since 1972. In addition, the office has an international presence in China, Russia, Israel and other parts of Europe. The Frey Group, which the architectural office is a part of, acts as investor, project developer and leasing company.