• Seminar Trainer for Max Planck Institut for Human Developement Berlin (Since 2009)
  • Seminar Trainer for Fritz Haber Institute of the Max Planck Society (Since 2013)
  • Presentation Coach and Seminar Trainer for the Free University Berlin (Since 2008)
  • Seminar Trainer for Max Planck Institute for the History of Science (Since 2015)
  • Seminar Trainer for The Robert Koch Institute (2015)
  • Seminar Trainer for the Max-Born-Institut, Berlin (Since 2011)
  • Seminar Trainer for the Deutsches Zentrum für Altersfragen (Since 2010)
  • Coach and Communication Trainer for Bayer Schering Pharma (Since 1999)
  • Trainer and Coach for Axel Springer AG (2002-2003)
  • Trainer for Adlon Hotel, Berlin (1999-2004)
  • Teacher Trainer for The University of Magdeburg
  • Seminar Trainer for Bundesinstitut für Risikobewertung Berlin (Since 2012)
  • Seminar Trainer for Berlin BiTS – Business and Information Technology (Since 2012)
  • Trainer and Coach for die PSI AG (computer company) (1992-2000)
  • Teacher-trainer for the Berlin Senate (Municipal Government) (Since: 1992)
  • Travel Guide and Teacher for Study Tours to Wales, Australia and Canada (Since 1992)
  • English teacher and communication trainer for the European Academy Bad Bevensen (Since:1990)