2014 – Professor & Chair of Surgery at the Australian National University (main position)

2012 – Reader of Endocrine Surgery at King’s College London, UK

2010 – Professor extraordinarius of Surgery at the University of Düsseldorf, Germany (UKD)

2004 - Consultant Endocrine Surgeon at King’s College Hospital (KCH), London, UK (part-time since 2014)

2004 - Lead Clinician Endocrine Surgery at King’s College Hospital, London, UK

2007-2012  Lead Clinician for Emergency General and Major Trauma Surgery at KCH – Level III Trauma Centre

2001-2003  Programm Director of Surgery (6000 surgeries per annum) UKD and sicee 1998 Head of the Laboratory of Surgery UKD and Supervisor of Gene Technology UKD

1998-2004  Principal Investigator in 5 projects with NHMRC-like funding

1990 Harvard Medical School; 1989  Baylor College Houston; 1985-1987 University of Paris, College de France; 1983-1989 University of Essen; 1990 ECFMG part 1 & 2

1985-1990 Full personal study grant from the German National Scholarship Foundation; 1991-1992 Full personal grant of the Alfried-Krupp-von-Bohlen-und-Halbach Foundation; 1998-2000 Full personal research grant (Habilitationsstipendium)German National Research Foundation DFG; 1998 Oberdisse Award of the NRW Society of Endocrinology for research on "Thyroid growth regulation";1999  Dr. Günther Wille Award for research on Adrenal tumorigenesis; 2002 von Langenbeck Award of the German Society of Surgery; 2004 – date Clinical excellence awards at King’s College Hospital Foundation Trust, London