Stephen Gould Emerson is an American academic who was the 13th president of Haverford College from July 1, 2007, to August 10, 2011. In February 2012, he was appointed Director of the Herbert Irving Comprehensive Cancer Center at NewYork-Presbyterian Hospital/Columbia University Medical Center, and he will also hold the Clyde ’56 and Helen Wu Professorship in Immunology at the Columbia University Vagelos College of Physicians and Surgeons.[1]