Aetna

Aetna, incorporated in 1982 under the name of United States Health Care Systems, is one of the leading diversified health care benefits companies in the United States, serving more than 28 million people. The company offers a wide range of traditional and consumer-directed health insurance products and related services, including medical, pharmacy, dental, behavioral health, group life, long-term care and disability plans, and medical management capabilities. Its health care segment consists of health and dental plans offered on a risk basis and on an employer-funded basis. The firm s group insurance segment offers life, disability, and long-term care insurance products. The company s large case pension segment manages a variety of retirement products, including pension and annuity products primarily for defined benefit and defined contribution plans. Its customers include employer groups, individuals, college students, part-time and hourly workers, health plans and government-sponsored plans. After five years with the company, Ronald A. Williams has been recently named chief executive officer. Williams earned a BA from Roosevelt University, and an MS from the Massachusetts Institute of Technology. Aetna is headquartered in Hartford, Conn.