Dr. Holness graduated from the Faculty of Medicine, University of Toronto in 1977 and has a MHSc from the University of Toronto. She is certified in Occupational Medicine by the Royal College of Physicians and Surgeons of Canada and is an Honorary Fellow of the Faculty of Occupational Medicine of the Royal College of Physicians of London.
Dr. Holness is a Professor in the Dalla Lana School of Public Health and the Department of Medicine at the University of Toronto. She is the Director of the Division of Occupational and Environmental Health in the Dalla Lana School of Public Health and of Occupational Medicine in the Department of Medicine. She is Chief of the Department of Occupational and Environmental Health at St. Michael’s Hospital. She is the Director of the Centre for Research Expertise in Occupational Disease, a joint University of Toronto – St. Michael’s Hospital initiative funded by the WSIB. Dr. Holness’ main research interests are in occupational disease, particularly occupational contact dermatitis, occupational respiratory disease and occupational health services.




