Feb 1st, 1986 Senior House Officer, Departments of Radiology, (Heads: Prof. Dr. med. H. Fuchs, Prof. Dr. med. J. Kollath, Prof. Dr. med. H. Riemann)
Sep 1st, 1989 Senior Consultant, Department of Radiology, Johann-Wolfgang Goethe-Universität Frankfurt am Main (Director: Prof. Dr. med. H. Fuchs)
Apr 1st, 1991 Senior Consultant, Department of Radiology, Johann-Wolfgang Goethe-Universität Frankfurt am Main (Director: Prof. Dr. med. J. Kollath)
Nov 13th, 1991 Masters in Radiology as recognised by the Medical Council of Hessen, Germany (Landesärtekammer Hessen).
Sep 2nd, 1993 Postdoctoral qualification as lecturer.
Dec 12th, 1993 Appointment as a member of the board of Quality Control in Medical Hospitals (Ärztliche Stelle) of the State of Hessen, Germany.
Mar 29th, 1995 Vice-chairman of the board of the Quality Control in Medical Hospitals (Ärztliche Stelle) Hessen
Oct 1st, 1997 Director-in-charge of the Department of Radiology, Johann-Wolfgang Goethe-Universität Frankfurt am Main
Nov 1st, 1998 Senior Consultant, Department of Radiology, Johann-Wolfgang Goethe-Universität Frankfurt am Main (Head: Prof. Dr. med. Th. J. Vogl)
Oct 26th, 1999 Professorship, Johann-Wolfgang Goethe-Universität Frankfurt am Main
01.01.2001 Spokesperson – Society of Medical Professionals, Frankfurt.
14. 11. 2002 Visiting Professor to the Victor Babes University, Timisoara, Romania
10. 03. 2003 Honorary Member of the Romanian Academy of Medical Sciences
01.03. 2005 Chairman of Society for Diagnostic and Therapeutic Medical Radiation, Hessen.
01.05. 2007 Member of Advisory Board International Cancer Centre Amsterdam, Frankfurt, Kairo
01.04. 2009 Member of Advisory Board, Europäische Gesellschaft für Präventivmedizin
01.04.2010 Member of the executive board, Lungen Zentrum Rhein Main
01.01.2011 Founder of MRI-Centre at St. Marienhospital, Frankfurt am Main
01.10.2012 Head of Department for Diagnostic and Interventional Radiology, DKD Deutsche Klinik für Diagnostik GmbH, Wiesbaden