Ronald Allen Williams (born 1949) is an American businessman, entrepreneur and management consultant, and author of Learning to Lead: The Journey to Leading Yourself, Leading Others, and Leading an Organization. He is 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. Following his retirement from Aetna, Williams formed RW2 Enterprises, LLC, a consulting firm dedicated to serving American business and society. He coaches and consults with senior corporate executives of Fortune 100 companies on transformational leadership strategy, board preparedness and business strategy. He continues to champion value creation in health care in the US, and works to move the American health care system toward a value-based approach to health care, where physicians, health care providers, insurers, employers and consumers are working together to achieve the best possible health care.