NEW YORK-MAY13: President of the Society of Memorial Sloan-Kettering Leslie Jones attends The Society Of Memorial Sloan Kettering's 2nd Annual Spring Ball on Wednesday, May 13, 2009 at The Plaza Hotel Ballroom, 68 Fifth Avenue, New York City, NY (Photo Credit: ©Christopher London/ManhattanSociety.com) - :|MANHATTAN SOCIETY|:Manhattan, New York City Event Photo Gallery