Claus has supported legal startups in the region since 2016 and cooperates with various startup facilities, e.g. MAFINEX and innoWerft. He passes on the broad knowledge and experience in various fields of technology, which he has over 30 years as a lawyer, chairman of management and supervisory boards and coordinator of global projects at Röhm GmbH, Darmstadt, and the Hoffmann-La Roche Group, Basel , among others through negotiations, litigation and executive duties.