Dr. Sacher is a staff medical oncologist in the thoracic and genitourinary tumor sites at the Princess Margaret Cancer Centre and an Assistant Professor of medicine at the University of Toronto. He has previously worked at the Herbert Irving Comprehensive Cancer Center at Columbia University & New York-Presbyterian Hospital where he served as an Assistant Professor of medicine and attending medical oncologist specializing in thoracic oncology and phase I drug development. Dr. Sacher completed his medical degree at the University of Toronto and residency at the Toronto General Hospital and Princess Margaret Cancer Center. He has previously completed a fellowship in thoracic oncology at the Dana-Farber Cancer Institute and holds a Master’s degree in clinical trial design, genomics and drug development from Harvard Medical School.