1977 | PhD, Development Theory, University of Bremen |
1981 | Postdoctoral qualification, University of Osnabrueck |
1981-1982 | Informatics, Economics, Electronics Certificate, University Karlsruhe TH |
1970-1974 | Scientific Assistant, Alfred-Weber-Institute at the University of Heidelberg |
1974-1979 | Scientific Assistant, University of Osnabrueck |
1979-1981 | Scientific Manager, MVV Energy AG |
1982 | Appointment as Professor, University of Osnabrueck |
1986-1988 | Head for Energy Policy Section, Ministry of Environment of Hessen |
1987 | Appointment as Adjunct Professor |
1987-1990 | Policy Advisor/Climate mitigation, German Bundestag |
1985-1988 | Research at the Institute of Applied Ecology/Freiburg |
1988-1992 | Professor of Economics, University of Applied Sciences of Darmstadt |
1991-1994 | Policy Advisor, Climate Mitigation, German Bundestag |
1992-2000 | Appointment as Director of the Energy Division, Wuppertal Institute of Climate, Environment and Energy |
1992-2008 | Appointment as Professor, Economic and Energy Policy, University of Wuppertal |
1998-2000 | Vice President and Director of the Energy Division, Wuppertal Institute for Climate, Environment, Energy |
2000-2002 | Policy Adviser, Energy, German Bundestag |
2002-2006 | Member of the International Scientific and Technical Advisory Panel, GEF, Washington |
2000-2003 | Vice-President and Acting President, Wuppertal Institute for Climate, Environment, Energy |
2003-2008 | President, Wuppertal Institute for Climate, Environment, Energy |
since 2008 | Senior Scientist und Project Manager, Wuppertal Institute for Climate, Environment and Energy |