Mark Penn is the Chairman and CEO of Stagwell (NASDAQ: STGW), the global challenger network transforming marketing through AI. A globally recognised pollster, political strategist and marketing business leader, Mark has had a career spanning four decades of driving strategy in the Board and Situation Rooms. In 2021, he spearheaded the combination of digital-services leader Stagwell Marketing Group and global creative network MDC Partners to create Stagwell. In addition to his duties as Chairman and CEO of Stagwell, he chairs the Harvard CAPS-Harris poll, a monthly collaboration between the Harvard Center for American Political Studies and The Harris Poll, a Stagwell research and insights firm. Mark has written two bestselling books, served as CEO of PR firm Burson-Marsteller and Chief Strategy Officer at Microsoft, and advised top world leaders including US President Bill Clinton and UK Prime Minister Tony Blair.