Ronald Allen Williams (born 1949) is an American businessman, entrepreneur and management consultant, and board director on corporate, public sector and non-profit boards. Williams is the author of Learning to Lead: The Journey to Leading Yourself, Leading Others, and Leading an Organization, which appeared on The Wall Street Journal's best seller list. He is founder, chairman and CEO of RW2 Enterprises, LLC. He is the former chairman, president and chief executive officer (CEO) of Aetna Inc., a diversified benefits company. Aetna is now part of CVS Health.