Wolfgang Tratter and Josef Greiner have been joint managing directors of DHF (Dienstleistungs- und Vertriebssysteme für den Handel GmbH) of Kalsdorf near Graz (Austria) since 1 January 2013. Tratter, who has made the move from Obi’s Austrian franchise system headquarters in Vienna, had previously worked for the company for a transitional period. Tratter will remain as the sole managing director of DFH when Josef Greiner retires in August 2013. DFH is a joint subsidiary of Quester, an Austrian builders’ merchant, and NBB, a German franchise group, which controls the Bauspezi trading format among other things. The marketing brands that DFH operates with in Austria are Bauprofi, Gartenspezi, Holzspezi and various other systems.