In 2015, Mark Penn founded The Stagwell Group LLC following a 40-year career in public relations, polling, consulting, and advertising. As head of the Washington, DC-based investment advisory firm, The Stagwell Group, Mark Penn oversees a private equity fund that started with $250 million to invest. He and his team aim to increase the firm’s holdings by another $750 million through acquisitions of digitally focused, noncompeting marketing companies.