Scientific Director of the IGMR at the University of Bremen. Member of the Board of the European Academy for Freedom of Information and Data Protection (EAID) in Berlin. Legal Advisor at VDE e.V. in Frankfurt (Main), CERT@VDE. Personal membership in the Federal Association for IT Security TeleTrusT. Author of numerous publications on cybersecurity and data protection. Publisher of the Legal Handbook Cybersecurity, published by Beck, Munich. Guest researcher in Tokyo, Moscow, Nice, Dar es Salaam, Jerusalem, Beijing and Los Angeles. Numerous consulting and expert opinion activities, including the Max-Planck-Society, the German Corporation for International Cooperation, the German Federal Ministry of Economic Affairs and Energy, the Federal Ministry of Education and Research, the Federal Ministry of Health, the Federal Ministry of Finance and the Federal Ministry of Defence.