Poprawe: University Professor with simultaneous responsibility for an application oriented Fraunhofer Institute (ILT, Aachen); The every day business is defined between research, teaching on the University level and Innovation for German, European and global companies.

Loosen: University professor and deputy chair of the Fraunhofer-Institute ILT-Aachen

Bachmann: Product Manager for High Power Diode Lasers at ROFIN-SINAR Laser GmbH, a major manufacturer of laser sources for industrial manufacturing and also directing national government funded R&D projects related to diode laser technology.