Dr. Pallister graduated from McGill Medical School in 1997. She completed her surgical training at the University of Toronto in 2002 and subsequently did a clinical surgical oncology fellowship at St. Joseph’s Health Centre Toronto. She has been a surgeon at Oak Valley Health’s Markham Stouffville Hospital since 2003. In 2007, she helped develop and open the Breast Health Centre. Her clinical practice is general surgery with a focus on breast, thyroid and colon cancer.