received his degree in mechanical engineering in 1987 and a Ph.D. in 1992 at the Gear Research Center (FZG), Technical University Munich. He continued his work at FZG as chief engineer in the field of continuously variable transmission and hybrid car propulsion systems. From 1996 to 1999, he was deputy chief designer with the design department for marine gears at RENK AG, Augsburg. From 1999 to 2001, he was head of the design department for industrial gears, and from 2001 to 2004, he was head of the design department for high-speed gears at RENK AG, Augsburg. From 2004 to 2006, he was with RENK Corporation, USA, for various marine and industrial gear programs. Since mid-2006, he has been the head of the Central Gear Technology division at RENK AG, Augsburg, for gear calculation, programming, structural and dynamic analyses, and innovation management.