1963: Born in Goeppingen, Germany. 1988: Master in Electrical Engineering and Cybernetics at University of Technology Munich, Germany. 1992: Co-Founder of the International Solar Center Berlin. 1993: Ph.D. (Operation model of PV modules) at Prof. Rolf Hanitsch, University of Technology Berlin, Faculty of Electrical Engineering, Germany 1994: Post-doc studies at Prof. Martin Green the University of New South Wales. 1995: Visiting professor at the Federal University of Rio de Janeiro, Brazil 1996: Winner of Berlin Solar price 1997: Co-founder of the Solon AG, joint-stock company for PV module pr...