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• Former holder of the chair High Frequency Engineering at the University of Kassel, Germany
• Dipl.-Ing. degree Thesis in 1970, Dr.-Ing. degree Thesis in 1975 in Electrical Communications at the Institute of High Frequency Engineering (Institut für Hochfrequenztechnik),Technical University of Aachen, Germany (Head: Prof. Dr.-Ing. H. Döring, PhD Supervisor: Prof. Dr.-Ing. I. Wolff)
• Post-doctoral Research in 1975 and 1976 at the Institute of High Frequency Engineering, Technical University of Aachen
• Heinrich-Hertz Award (1978) from the Institution of Radio and Electronic Engineers, London
• Since 1990 Referee for the German Ministry of Research and Technology BMBF (Bundesministerium für Bildung, Wissenschaft, Forschung und Technologie)
• Since 1997 Referee for the German Academic Exchange Service DAAD (Deutscher Akademischer Austauschdienst)
• Industrial profession from 1977 to 1983 in a known German Sensor Company including microwave and laser radar development; since 1980 Head of the key R&D department of level control
• Organizer of the International IEEE Workshop on 'Measurement Techniques for Microwave Device Characterization and Modelling', Stuttgart, Germany, April 23, 1990
• Organizer of the International IEEE Workshop on 'Experimentally based FET Device Modelling  & related nonlinear Circuit Design', Kassel, Germany, July 17 - 18, 1997, supported by the DFG (German Research Council), the European Research Office (ERO, London), European Office of Aerospace Research and Development (EOARD, London), and Office of Naval Research - Europe (ONR - EUR, London)
• Co-organizer of the DFG (German Research Council) Doctorate Programme 'Devices and Materials for Microsystem Engineering' (since 1995)
• Organizer of the International Study Programme 'Electrical Communication Engineering' for highly qualified foreign Bachelor graduates at Kassel University. This MSc course belongs to the first eight Master-plus programmes in Germany selected by the German Rectors' Conference (HRK) and the DAAD. The first course started in summer 1998.
• Invited Speaker at the opening ceremony of the International Conference on 'Modern Design, Manufacturing and Measurement', May 6-8, 1993, Tsinghua University, Beijing, China.
• Membership in various Professional Societies (IEEE, VDE, ITG, GME, GMA)
• Lecturer of various workshops (1992: Integrated Nonlinear Microwave and Millimeter-wave Circuits (INMMIC), Duisburg/Germany; 1993: Advanced Microwave Devices, Characterization and Modelling, 23rd European Microwave Conference, Madrid/Spain)
• Honorary International Advisory for the Asia-Pacific Microwave Conference of 1999 in Singapore
• Author and Co-author of more than 100 papers in the fields of microstrip transmission lines, laser radar technology, microwave and millimeterwave measurements, circuit design at microwave and millimeterwave frequencies for communications and sensor application
• Numerous Patent Applications in Europe, USA and Japan
• Lectures on high frequency technology including microwaves and millimeterwaves, integrated circuits, microwave and optoelectronic measurements, transmission lines, high frequency sensor techniques