1984-1991: Studies of Biology at the University of Konstanz
1992-1993: Advanced training „European Environmental Protection Expert“ at Environmental Protection Services (EPS) GmbH Bonn
1992-1993: Contractor at the University of Oldenburg and the Institute for Ecological Economy Research (IÖW)
1994-2000: Researcher at the IÖW, research field „Corporate Environmental Management “
Summer term 2000 und 2001: Visiting lecturer at the Free University of Berlin, „environmental management”
2000-2006: Head of the research field „Corporate Environmental Management“ of the IÖW
2004-2006: Member of the Working Group „Social Responsibility of Organisations“ at the national standardisation organisation DIN e. V. (ISO 26000)
2006-2009: Senior Manager Corporate Responsibility at Vodafone Germany in Düsseldorf
Winter term 2010/2011: Visiting lecturer at the Berlin School of Economics and Law (HWR) “Management systems for environment and sustainability/CSR”
Since 2010: Researcher at SUSTAINUM – Institut für zukunftsfähiges Wirtschaften Berlin (until February 2011 operating as fhochx– Institut für zukunftsfähiges Wirtschaften Berlin)
Since 2011 Fellow at the IÖW
Key issues
Ecological evaluation and target setting, evaluation research, Environmental and Sustainability Management, Corporate Social Responsibility (CSR) and Corporate Citizenship