Manchester University, UK (MB ChB, 1981)
Memorial University, St. John's NF: General Surgery (1981-87)
University of Western Ontario, London ON: Thoracic Surgery (1987-89)
MD Anderson, Houston TX: Thoracic Oncology Research (1989-91)
University of Western Ontario (Asst Prof. 1991-94)
University of Toronto (Asst Prof, 1994-97)
University of Warwick, UK (Prof. Thoracic Surg, 1997-98)
Dalhousie University (Professor of Surgery and Head of Thoracic Surgery, 1998-2006)
University of Saskatchewan (FH Wigmore Professor and Head, Department of Surgery, 2006 - 2012)
Saskatoon Health Region (VP Integrated Health Services, 2012 - 2013)
Alberta Ministry of Health (Senior Provincial Medical Advisor, & A/Assistant Deputy Minister, 2013-2018)
University of Alberta, School of Public Health (Adjunct Professor, 2014-2018)