Dr. William Hahn is a medical oncologist and Professor in the Department of Medical Oncology at the Dana-Farber Cancer Institute. Also at Dana-Faber, he co-directs the Center for Cancer Genome Discovery and serves as the Chief of the Division of Molecular and Cellular Oncology as well as Chair of the Executive Committee for Research. He is an Institute Member of the Broad Institute of MIT and Harvard. Dr. Hahn has made numerous seminal discoveries that have informed our current molecular understanding of cancer and which have defined new conceptual paradigms and formed the foundation of new translational studies.