Born on 20th April, 1964, in Rostock. Physics degree Rostock (1987), P.h.D. (1990), visits to University of Maryland and National Institute of Standards and Technology USA (1994), Habilitation Rostock (1996), Max Planck Institute for Plasma Physics (since 1996), C3-position (1998), Director and Scientific Member at the Max Planck Institute for Plasma Physics (since 2000), apl. Professor Univ. Rostock (since 2001), 'Honorarprofessor' TU München (since 2006), Scientific Director of Max Planck Institute for Plasma Physics since February 2011).