| From | To | |
| Jan. 2001 | until today | Teilnehmer am Karlsruher Trituim Neutrino Projekt (KATRIN) | 
| Jan. 1990 | until today | Full Tenure Professor at the University of Applied Science (FH-Fulda), Fulda, Germany Faculty of Electrotechniques and Information | 
| Sept.1995 | Sept.1997 | Dean of Faculty Electrotechniques | 
| Mai 1994 | Aug.1995 | Vice Dean of Faculty Electrotechniques | 
| From | To | Employer | Position held | 
| Okt. 1985 | Jan.1990 | Institute of Physics, Mainz University, Germany | Researcher (full time) Mainz Neutrino Project | 
| March 1982 | Juli 1985 | Juchheim GmbH, Fulda, Germany | R&D Project manager Part time (50%) | 
| Jan. 1981 | Feb.1982 | Juchheim GmbH, Fulda, Germany | R&D Project manager Platinum Thin Film Resistors (full time) | 
| From | To | Institution Attended | Qualification | 
| Okt. 1982 | July 1985 | Institute of Physics, Mainz, Germany | PhD. (Dr. rer. nat) in Physics | 
| April 1975 | Nov.1980 | University Mainz, Germany | Diploma Physics |