Ralf Wigand works for a german company, TechniData IT-Service GmbH in Karlsruhe, as Business Development Manager and CIO. Before that he managed more than 10 years a large AD site as system administrator for the KIT, formerly known as the University of Karlsruhe. As a Microsoft Most Valuable Professional (MVP) for Directory Service now for more than 5 years he had specialized in interoperability issues between Windows and Linux.