Dr. John Kildea is a medical physicist at the McGill University Health Center and an assistant professor in Oncology at McGill University.

His research interests are focused on the carcinogenic effects of ionizing radiation for radiotherapy and space travel and the use of informatics techniques to improve the healthcare experiences and health outcomes of patients.

With radiation oncologist Dr. Tarek Hijal, Dr. Kildea co-leads the development of the Opal patient portal (opalmedapps.com). Opal was named Quebec e-Health solution of the year in 2019 by Le Point Santé et Services Sociaux and was awarded the prestigious 2019 Prix d’excellence–Coup de cœur des ministres of the Quebec Ministry of Health.