1983-1987 Assistant Professor, leading physician of the Diabetes inpatient and outpatient clinic, University of Innsbruck. 1988-1990 Associate Professor of Internal Medicine; 1991-1994 Head of Lipid Research. Division of Cardiology, University Hospital Zurich, Switzerland. Since 1994 Professor of Medicine. 1994–2016 Head of Department of Medicine, County Hospital of Feldkirch, Austria. Since 1997: Head of the Vorarlberg Institute for Vascular Investigation and Treatment, Austria 2006-2021 Dean of the Medical Faculty and Full Professor of Medicine, Private University of the Principality of Liechtenstein. 2007 Honorary Degree Doctor of Letters, Drexel University College of Medicine. 2009 Adjunct Professor of Medicine, Drexel University College of Medicine. September 2017–December 2019 Senior Consultant, Division of Angiology, Swiss Cardiovascular Center, University Hospital Bern, Switzerland. 2018-2020 President of the ESC-Working Group “Cardiovascular Pharmacotherapy”. Since December 2020 Head of the Department of Internal Medicine & Intensive Care, County Hospital Bregenz, Austria. Experiences in Clinical Studies over 33 years.