Human medicine studies at University of Hamburg
1979 to 1985 Research assistant at the University of Hamburg Anatomical Institute
1983 Post-doctoral lecturing qualification; 1986 Received lifetime appointment as professor
1987 to 1991 Provisional head of the Department of Andrology at Hamburg Eppendorf University Hospital
1991 Appointed senior director of this department; development of the Cryo-TESE concept
2008 Specialist training in andrology with the German Medical Chamber
Since April 2014 Head of Andrology at the FCH and consultant andrologist with the amedes group.