Dr Boysen became a diplomate of the American College of Veterinary Emergency and Critical care in 2003 and worked at the University of Montreal veterinary teaching hospital from October 2003 to December 2008. He joined UCVM in January 2009. Dr Boysen is a Professor in small animal emergency and critical care in the Department of Veterinary Clinical and Diagnostic Sciences. He is actively involved in both the American and European veterinary emergency and critical care societies, as well as the Veterinary trauma initiative, serving on several committees for these organizations. He is an internationally recognized lecturer, speaking at numerous international conferences around the world. Although he is happy to speak on any small animal emergency and critical care topic his true passion lies within emergency point of care ultrasound, perfusions, hemorrhage and shock. Dr. Boysen is also heavily integrated in teaching and learning within the UCVM program, teaching across all 4 years of the undergraduate program, as well as working with the interns and being a member of the Teaching Academy for the University of Calgary. He has received several teaching awards over the years for his contribution to higher education within the veterinary curriculum.