Stephan Tremmel is the Chair of Engineering Design and CAD at the Faculty of Engineering at the University of Bayreuth. His research focuses on finite element analysis (development, modeling, simulation) and design of functionally integrated machine elements with main application in drive technology and energy engineering. Furthermore, he has special experience in surface engineering (texturing, PVD coatings) and tribology. He has published 90 peer-reviewed journal publications. He is a member of the German Research Association for Drive Technology and the German Society for Tribology.