Susan Mattivi Wittner

Chief Marketing Officer

  • New York
  • 212.605.5002

Susan Wittner leads marketing and communications initiatives for Cornerstone Research. She also serves on the firm’s pro bono committee. Ms. Wittner has over thirty years of experience in marketing, including brand strategy, corporate identity, advertising, events, public relations, thought leadership, and social media.

Prior to joining Cornerstone Research, Ms. Wittner held senior marketing roles at EisnerAmper LLP, Agfa Corporation, and Hoechst Celanese. She worked in brand management and business development at Georgia Pacific Corporation (previously James River Corporation) and was a management consultant for a strategic consulting firm. For more than a decade, Ms. Wittner served as an adjunct professor of sales and marketing at Manhattan College.


Professional Affiliations