Sleep Disorders Clinics
     Centre for Sleep and Chronobiology



Meet the Staff

Consulting Staff

Kenneth R. Chapman, MD, MSc, FRCPC., FACP - Respirology
Dr. Chapman is Director of the Asthma and Airway Centre of the University Health Network and a Professor of Medicine at the University of Toronto. He is an internationally respected researcher in the field of respiratory diseases including problems of breathing that occur during sleep. He has authored more than 400 publications in the field of respiratory diseases in journals ranging from the Canadian Medical Association Journal to the New England Journal of Medicine and has presented to medical audiences in the Americas, Europe, Asia, Africa and Australia.

Ivone Ferreira, MD, MSc., PHD, FRCPC. - Respirology

Celeste Thirlwell, MD, BSc.(Neuro), FRCPC.

Otto Veidlinger, MD, FRCPC. - Neurology

Associate Consultants

William El Masri MD, FRCSC, otolaryngologist
Sidney Radomski, MD, FRCPC. - Urology
Victor Toran MD, FRCSC, otolaryngologist
William Wald MD, FRCSC, cardiologist
Shelly Weiss, MD, FRCPC. - Pediatric Neurology

For other staff, please click the links below:

Administration Staff


System R & D Manager

Technical Staff

To contact any of the staff members, please use our standard feedback form or use Thank you.


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