Syndax Pharmaceuticals, Inc. announced the appointment of Richard P. Shea to its board of directors as an independent director and chairman of the audit committee. Mr. Shea is currently senior vice president and chief financial officer of Momenta Pharmaceuticals, Inc. where he managed a Series C venture round and various public offerings, including Momenta's initial public offering. Mr. Shea has also served as chief operating officer and chief financial officer at Variagenics, Inc.