Donna Johnston is a Pediatric Hematologist/Oncologist at the Children's Hospital of Eastern Ontario, a role they have held since 2001. Currently, they serve as the Medical Director for the Pediatric Oncology Group of Ontario and as the Vice Chair Clinical for the Department of Pediatrics at CHEO. Previously, Johnston was the Division Chief of Hematology/Oncology at CHEO from 2012 to 2024. They earned a Bachelor of Science and a Doctor of Medicine from Queen's University, and completed a Pediatric Hematology/Oncology Fellowship at the University of Washington.
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