KraussMaffei AG has appointed Jan Siebert as CEO effective Jan. 1, replacing Dietmar Straub, who has managed the Munich-based machinery company since April 2007. KraussMaffei said Straub is leaving the company on Dec. 31. Siebert has a degree in aerospace engineering, and he currently serves as president and CEO of GEA Heat Exchangers GmbH. According to a news release from KraussMaffei, Siebert has expanded GEA’s sales in Eastern Europe, China and Brazil. Kinzius thanked Straub for leading KraussMaffei through the global recession. “Under Dr. Straub’s management the corporate strategy of the KraussMaffei Group was successfully realigned and he managed the economic crises activities very well. We regret Dr. Straub’s decision to leave the company to pursue new business opportunities and I wish him all the best for his future activities,” Kinzius said. The company employs 3,900 and makes KraussMaffei, KraussMaffei Berstorff and Netstal machinery.