Passage: Josef Eibl at the Technische Universität Dortmund and later on at the Universität Karlsruhe, where he received his doctorate in 1987. In 1988 he started working as project manager at the Ingenieurbüro Köhler + Seitz where he was also a partner from 1994 to 2004.

Question: When did Eibl start working as a project manager?
1988