Hajo joined Zacco in 2010 and is the Director for Zacco Europe. Hajo graduated in 1995 with a Diplom (Masters Degree) in Biochemistry from the University of Tübingen and holds the degree of Dr rer. nat. (Ph.D).
Hajo is a qualified European as well as German Patent Attorney and also is a European Trademark and Design Attorney. Between 1995 and 1999 Hajo worked in various German Patent Law Firms. He became deputy Head of the patent department of Grünenthal GmbH, a multinational pharmaceutical company. Later he held the position of Director of Patents in Laboratorios del Dr. Esteve, a pharmaceutical company in Barcelona, Spain.
In recent years and prior to joining Zacco GmbH, Hajo was Managing Director of the German Patent Law firm "Graf von Stosch Patentanwaltsgesellschaft mbH".
Hajo is a member of the License Executive Society, of the VPP (Association of Intellectual Property Experts) and of the German Patentanwaltskammer.