Our physicians are highly skilled and widely experienced in the field of sleep disorders medicine. Our entire team of professional staff is committed to providing excellent patient care. Your health comes first.
Adam Blackman MD, FRCPC, D.ABSM, D.ABPN
President and Chief Medical Director
Dr. Blackman graduated from the Faculty of Medicine at the University of Toronto and subsequently completed specialty training in psychiatry and a sleep medicine fellowship. Prior to founding MedSleep he was the medical director of the Toronto Western Hospital, Sleep and Alertness Clinic. He was the Vice-President of Medical Imaging and Business Development at Medisys Health Group from 2006-2008 where he was responsible for overseeing the Ontario Medical Imaging Division and developing innovative health care partnerships. Dr. Blackman is an assistant professor of the University of Toronto and teaches both residents and sleep medicine fellows. He has also been actively involved in establishing sleep medicine standards with both the Canadian Sleep Society and the College of Physicians and Surgeons of Ontario.
Kostas Tsambourlianos MBA, PMP
Chief Operating Officer
Kostas Tsambourlianos joined the MedSleep family in October 2010. Having completed his MBA from the Kellogg School of Management, he is also a registered Project Management Professional (PMP). His rich background in a wide variety of industries such as Shoppers Drug Mart, IBM and Lafarge brings a unique perspective to the business. In addition, he is a professor in the MBA program at the Schulich School of Business, specializing in Strategic Field Studies and International Business. Kostas is responsible for Business Development, Operations, Marketing, Human Resources and Finance.
James MacFarlane Ph.D, D.ABSM
Director of Education, MedSleep
Jamie MacFarlane is an Assistant Professor of Pediatrics and Psychiatry, University of Toronto. He was granted his doctorate from McMaster University Medical Centre for his work in neuropharmacology and began his sleep career at the Toronto Western Hospital in 1989. He also is a Research Associate at the Hospital for Sick Children in Toronto and is a consultant at the Niagara Sleep and Snoring Centre. He currently serves on the Board of the Canadian Sleep Society. Dr. MacFarlane is actively involved in developing innovative sleep educational programs for sleep technologists, medical students and physicians. He also provides public lectures to enhance awareness of issues related to sleep and sleep disorders.
Danielle Holler, B.Sc. Senior Director Operations
Danielle joined Medsleep in 2013, bringing with her over 20 years of experience working within healthcare, including several years as Senior Regional Director at Medvue Medical Imaging formerly known as Medisys Health Group. She is currently involved in leading national strategic projects and works with various members of the Medsleep team.
Karen Vegnaduzzo Honours BA, CCRP.
Director of Operations, Ontario
A member of the MedSleep family since its founding, she brings over 12 years of operational and clinical research experience in healthcare. Her focus on helping to build an efficient and effective organization has played a key role in MedSleep’s evolution from a single clinic to a national operation. Karen is responsible for providing overall operational management to MedSleep’s Ontario clinics. In her role, Karen leads, manages and executes all operational and clinical research initiatives in Ontario, in addition to managing various strategic projects.