- More than 50 years experiences in the field of fuel cells and batteries (330 papers, 10 patents and 10 books)
- Editor-in-Chief "Encyclopedia of Electrochemical Power; Sources: (ELSEVIER, 2009, 5 Volumes, 5,000 pages)
- Consultant for several OEMs and battery companies
- Senior Professor Ulm University
Former positions:
- Advisor for Batteries of the German Federal Ministry for Transport, Building and Urban Affairs
- Editorial Board Member of:
- Journal of Power Sources
- International Journal of Hydrogen Energy
- Fuel Cells – From Fundamentals to Systems
- Electrochemical Power Sources