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Thomas Gessner studied physics and received the degree in physics in 1979, the PhD degree in 1983 from the Dresden University of Technology and the Dr.-Ing. habil. degree from the Chemnitz University of Technology in 1989. Since he joined the ZMD Dresden as a project manager for interconnect systems in 1983, he has been actively involved in the area of micro technologies. Since 1991 he is the Director of the Center for Microtechnologies and since 1993 Professor for Microtechnology, both at the Chemnitz University of Technology. Prof. Gessner was the Director of the Chemnitz Branch of Fraunhofer IZM, too. On July 1st 2008 the Chemnitz Branch of Fraunhofer IZM became the Fraunhofer Research Institution for Electronic Nano Systems ENAS. Since that time Prof. Gessner is the director of Fraunhofer ENAS.