Dr Nielsen graduated from the University of British Columbia in 1987. He has been a member of the Doctors' Medical Clinic since 1991. In 2006 he was the interim director of Continuing Medical Education for southern Vancouver Island. He has been a medical lead for the Regional Practice Support Program since 2006. In 2013 he started the Esquimalt Medical Clinic. He has taught UBC Family Practice Residents as a Clinical Instructor since 2004.
Dr. Nielsen's interests include: soccer, hiking, camping and fishing.