Alexander (born May 18, 1971) is an American medical educator and practicing clinician.
In 2011, he joined the Board of Directors of the American Thyroid Association.
Alexander is a Professor of Medicine in the Department of Medicine at Harvard Medical School (HMS), and is the Executive Director of the Brigham Education Institute (BEI) and Undergraduate Medical Education (medical student education) at Brigham and Women's Hospital (BWH) in Boston, Massachusetts.Alexander is Chairman of the Brigham and Women's Hospital Education Leadership Committee, and Director of the Brigham and Women's Hospital Principal Clinical Experience.Alexander is also Chief of the Thyroid Section at Brigham and Women’s Hospital.