William R. Jacyk, MD, FRCPC

William R. Jacyk, MD, FRCPC, is a Senior Clinical Consultant for GreeneStone in Muskoka, Ontario, Canada, as well as National Coordinator for treatment and education for NavCanada. He is a physician, educator and researcher who brings over 30 years of experience in treating addictions and conditions that often co-occur with substance abuse, such as posttraumatic stress disorder and adult trauma. His work at GreeneStone focuses on developing an evidence-based concurrent disorders program in a healing environment.