He has held the positions of Chairperson of the Canadian Board for Respiratory Care, Co-Editor of the Canadian Journal for Respiratory Therapy and President of the British Columbia Society of Respiratory Therapists. He was the Respiratory Therapy Program clinical coordinator for 10 years from 1984 to 1993. He has 28 years experience as an educator and is presently teaching Human Assessment and neonatal, pediatric respiratory care at Thompson Rivers University in Kamloops. Les is a published author in cardiopulmonary physiology and has lectured internationally on various topics in respiratory care. He established the Thompson Rivers University Sleep Clinic in 1998 and continues to be active as a clinician and researcher in the study of obstructive sleep apnea syndrome.