He is a practicing breast cancer medical oncologist and translational investigator with expertise in therapeutic clinical trials, biomarker development and implementation, survivorship, clinical practice guidelines, and quality initiatives. He is past member of American Society of Clinical Oncology’s Quality of Care Committee and past Chair of ASCO’s Clinical Practice Guidelines Committee. He is Panel Co-Chair and a lead author/senior author of the ASCO/College of American Pathology clinical practice guidelines on HER2 and hormone receptor testing in breast cancer. He has experience in collaborative, multidisciplinary national and international breast cancer clinical trials and on the integration of research findings into clinical practice