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You are here: About Us > Management > Supervisory Board Supervisory Board The Supervisory Board supervises the policies of the executive management (Management Board) and the general course of affairs of the company and advises the executive management thereon. Erich Spitz, Chairman (former Vice President Thomson, Member of the Board of Valeo, President of Thales Avionics LCD)     Jean-Michel Barbier (Managing Partner, TechFund Europe Management S.A.S.) Michel de Lempdes (Investment Manager, Crèdit Agricole Private Equity) Prof. Dr. Karl Leo (Head of Institute of Applied Photo-Physics at Dresden Technical University) Michael Mayer (Managing Partner, TechnoStart GmbH) Dr. Paul Josef Patt (Managing Partner, eCapital New Technologies Fonds AG)