Marc Greene is Head of U.S. Media Relations for sanofi-aventis, one of the largest pharmaceutical companies in the world. He has over twenty five years of high-profile international and national public relations agency experience. Most recently, Marc was a senior vice president in Fleishman-Hillard's Healthcare Group where he served as senior media strategist and head of the media relations team. He was also one of the founding members of the F-H Media Council, a group of senior media specialists throughout the F-H network organized to support and bring strategic counsel to account teams with challenging needs or issues.

Prior to Fleishman-Hillard, Marc was media director for the Chandler Chicco Agency, where he provided strategic media relations counsel and executional expertise to account teams throughout the healthcare specialty agency. Before that, Marc was director of media relations for the New York office of Burson-Marsteller, a vice president at Rubenstein Associates, and COO of Greene Inc. Communications, where he generated editorial publicity for over 60 national consumer magazines over fifteen years. Marc is a graduate of New York University's film school.