Susan Wittner, M.B.A. was the Chief Marketing Officer for Cornerstone Research. She has more than 40 years of experience in management, business development, and marketing. Prior to joining Cornerstone Research, Professor Wittner held senior marketing roles at EisnerAmper LLP, Agfa Corporation, and Hoechst Celanese. Wittner’s focus was in brand management and business development at Georgia Pacific Corporation (previously James River Corporation) and was a management consultant for a strategic consulting firm. She worked as a chemical engineer for Dow (previously Union Carbide Corporation) early in her career.