| 1994 | Diploma Engineer, Wilhelmshaven, Germany |
| 1994-1995 | Scientific Advisor, Energy Unit, Greenpeace Germany |
| 1995-2004 | Renewable Energy Campaigner, responsible for the development of renewable energy campaigns and renewable energy policies development, esp. feed-in laws and liberalization of electricity |
| | markets, Greenpeace Germany |
| since 2004 | Director, Renewable Energy Campaign, Greenpeace International |
| since 2009 | IPCC Lead Author, Special Report on Renewable Energy (SRREN) |
| 1977-1996 | Creditanstalt, Vienna |
| 1980-1982 | Head, Syndication Department, Banque Européenne de Crédit, Brussels |
| 1982-1985 | Deputy Head, International Project Finance Department, Creditanstalt Vienna |
| 1985-1986 | Credit Control Division of Deutsche Bank (Asia), Hamburg, and Head of the Special Work-out Unit of Deutsche Bank Sydney, Australia |
| 1986-1987 | Associate Director, Merchant Bank subsidiary of Deutsche Bank (Asia), Hongkong, and Branch Manager of Deutsche Bank, Manila, Philippines |
| 1987-1989 | Deputy Branch Manager, Creditanstalt New York Branch, USA |
| 1989-1991 | Head, International Credit Risk and Control Department for all the international subsidiaries and branches, Creditanstalt Group |
| 1991-1992 | Managing Director, "Specialised Finance Unit", Creditanstalt London, i.e. the bank´s international work-out and restructuring operation |
| 1992-1994 | Managing Director, Creditanstalt Anlagenbau und Leasing Ges.m.b.H, Vienna, the international leasing operations of the Group |
| 1994-1996 | Director and Head, International Trade and Corporate Finance Department, Creditanstalt Group |
| since 1996 | European Investment Bank (EIB), Luxembourg |
| 1996-2000 | Director, Lending Operations Germany and Austria |
| 2000-2003 | Director, Lending Operations Accession Countries (Central and Eastern Europe) |
| 2004-2005 | Director, Lending Operations Central Europe (Austria, Hungary, Slovenia, Bulgaria, Romania and Croatia) |
| since 2006 | Director, Vienna Office (covering Austria, Czech Republic, Hungary, Slovakia and Slovenia) |
