1989 – 1996: Studies of Business Administration, Economics and Business and Economics Education

1995: Trainer for “Environmental auditors” at the Rationalisation and Innovation Centre of German Industry (RKV), Eschborn

1995 – 1996: Researcher at the European Business School, Oestrich-Winkel

1996 – 2003: Project manager and assistant coordinator at the Öko-Institut e.V. Freiburg

1999 – 2003: External graduation at the Carl von Ossietzky-University Oldenburg

2000: Short-term expert for on-site training for the implementation of environmental management systems in Chinese electronics companies, funded by the Society for Technological Cooperation (GTZ), commissioned by INTEGRATION Environment & Energy GmbH, locations: Tianjin, Beijing, Guangzhou (China)

2003 – 2008: Researcher at the Albert-Ludwigs-University Freiburg

2006 – 2008: Visiting professor with the topic "Corporate Social Responsibility" at the Nong Lam University, Ho Chi Minh-City, Vietnam

Since 2007: Fellow at IÖW

2008: Award of the Japan Society for the Promotion of Science, invitation as visiting professor at the Nagoya University, Japan

2008 – 2012: Initially employee, since 2009 Head of  the Component National Quality Infrastructure of the GIZ program Engineering Capacity Building Program in Ethiopia

2012 – 2014: Head of GIZ program on sustainable economic development in Kyrgyzstan

Since 03/2014: Professor for environmental management and  und general business administration at Nuremberg Technical University