Centre for Sleep and Chronobiology Inc.



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, B.Sc.(Neuro), FRCPC

Otto Veidlinger, MD, FRCPC. - Neurology

Referring Physicians and Consultants

William El Masri MD, FRCSC, otolaryngologist
Victor Toran MD, FRCSC, otolaryngologist
Roman Chabab MD, FRCSC, otolaryngologist
William Wald MD, FRCSC, cardiologist
Jaan Reitav, PhD, Cpsych, CBSM - Psychology
Ben Porcelli, RMT - Physical Therapy


For other staff, please click the links below:

Administration Staff


Technical Staff


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