Koenig began his career at Bayer AG in 1990 as a process engineer for chemicals projects in Europe. He served in a number of positions with increasing levels of responsibility before moving to Shanghai, China, in 2000 to become General Manager of Bayer Polymers (Shanghai) Co. Ltd. There he was responsible for the initial negotiations for the erection of the new production site, the Bayer Integrated Site Shanghai. He was placed in charge of the site in 2002. On 1 April 2007, he became Senior Country Representative of the Bayer Greater China Group and of BMS in China. In the years prior to that, he served as Global Head of Production and Technology Isocyanates at BMS.Dr. Günter HilkenHilken joined Bayer's Rubber Business Group at the Dormagen site in 1984. After several years in leading positions in R&D for the Rubber Business Group, he held positions as a plant manager in rubber production and as a site manager in Sarnia, Canada. In 1999, he became President of the Fibers, Additives and Rubber Division at Bayer Corp. in Akron, Ohio. He returned to Leverkusen in 2002 to become Head of Global Operations MDI at Bayer Polymers before taking over the Polycarbonates Business Unit of BMS two years later.Dr. Klaus SchäferSchäfer joined EC Erdölchemie GmbH, the former joint venture between Bayer AG and oil company BP, as a plant engineer in 1991. He joined Bayer in 2001, holding global responsibility for process control technology in the then Plastics Business Group. Following the formation of Bayer Polymers in 2002, now renamed Bayer MaterialScience, he took over responsibility for technical services and the supply of infrastructure to that company's production facilities. Schäfer became Chairman of the Executive Board of Currenta on 1 April 2006. The joint venture between Bayer and Lanxess is the operator of the Chemparks in Leverkusen, Dormagen and Krefeld-Uerdingen.