Michael Wolfgang Holtmann is the new managing director of GreCon Dimter Holzoptimierung GmbH & Co. KG in Illertissen, Germany. Holtmann succeeds Walter Fahrenschon, who in June 2008, assumed the position of chairman of the board at parent company WEINIG AG. Holtmann has a wealth of knowledge in the field of special machinery and system engineering as well as in automation technology, which he has built up in managing roles at various prestigious high-tech companies.