CAMBRIDGE, Mass.--(BUSINESS WIRE)--Ironwood Pharmaceuticals, Inc. (NASDAQ: IRWD) announced today the appointment of Lawrence Olanoff, M.D., Ph.D., to its board of directors as well as to its pharmaceutical advisory committee. Dr. Olanoff has more than 30 years of pharmaceutical industry experience and has been a leader in clinical development, discovery research, strategy and operations for several companies ranging from small biotechnology firms to large pharmaceutical corporations. Most recently, he served as a director and as chief operating officer of Forest Laboratories, Inc.