Susan Wittner, M.B.A. is the Chief Marketing Officer of Cornerstone Research. She has more than 25 years of experience in marketing, including brand strategy, corporate identity, advertising, events, public relations, thought leadership, and social media. 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.