- Electrical Engineer, 25 years of experience at Fraunhofer Institute for Solar Energy Systems ISE
- PhD thesis in the field of modeling and development of control strategies for fuel cell systems
- From 2005 to 2010 Head of Group 'Off-Grid Power Supply'
- From 2011 to 2016 Head of Department 'PV Off-Grid Solutions and Battery System Technology'
- Since 2017 Head of Department "Electrical Energy Storage" and Coordinator of Business Unit 'Electrical Energy Storage'
- Contact Person for Stationary Battery Storage at Fraunhofer Institute for Solar Energy Systems ISE
- Contact Person for Battery Systems at Fraunhofer Battery Alliance
- Spokesman of R&D Advisory Board of German Energy Storage Systems Association (BVES)
- Technical Advisor of Working Group 'Stationary Applications and Integration' of Batteries European Partnership Association / Batteries Europe
- Member of Steering Committee of Batteries European Partnership Association / Batteries Europe