- 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