2011 - 2018 Expert member of the Committee for Operational Safety (ABS) Federal Ministry of Labor and Social Work
2005 - today Evaluator, assessment, report in accreditation procedures for Bachelor's and masters/master's programmes ASIIN, ACQUIN, ZEvA, AHPGS, AZVO (Croatia) and AQAustria
2004 - 2019 Freelancer and permanent member of staff / staff member German optician's magazine, Heidelberg
2001 - today Project manager, project coordinator, head of the project at the Steinbeis Transfer Center (AWFE) University of Applied Sciences Aalen, sub-sections eye protection, infrared technology, optronics and training
1996 - today Professor of general optics and computer science Degree programme in ophthalmic optics at Aalen University of Applied Sciences
1995 - 1996 Subject coordinator (Senior Engineer) for sensor technology Zeiss-Eltro Optronic GmbH, Oberkochen
1989 - 1995 Head /Director of the thermal imaging technology development department Special optics product division at Carl Zeiss, Oberkochen
1989 Member of staff (pl. staff), employee (pl. employees) Carl Zeiss, Special Technology Product Division, Optronics Development
1987 - 1988 1. science and scholarshop (allgem.) Laserzentrum Hannover (LZH), research focus: Optical parametric oscillators and frequency doubling with novel nonlinear crystals
1987 Doctorate Generation of vacuum ultraviolet CW laser radiation by sum frequency mixing in metal vapors
1985 - 1986 Member of staff (pl. staff), employee (pl. employees) Faculty of Physics at the University of Bielefeld