William W. McGuire

William McGuire (born 1948) is an American healthcare executive best known for his tenure as chairman and chief executive officer of UnitedHealth Group from 1991 until his resignation in 2006, while under investigation for securities fraud, for which he would later settle out of court. He also owns Minnesota United FC, Minnesota's professional soccer team. Personal life McGuire was born in Troy, New York, and grew up in League City, Texas. He attended college at the University of Texas at Austin and medical school at the University of Texas Medical Branch at Galveston, Texas. After medical school, he worked in California and Colorado before moving to Minnesota. UnitedHealth McGuire joined UnitedHealthcare in November 1988 as an executive vice president when the Peak Health Plan, of which he was then president and chief operating officer, was acquired by UnitedHealth Group. In May 1989, he was appointed to the board of directors and became chief operating officer. In November 1989, he became president of the company, in February of 1991 he was named chief executive officer and in May of the same year he became chairman of the board of directors, while leaving his position of president of the company. When McGuire joined UnitedHealth Group, it was an unprofitable regional health maintenance organization with annual revenues around $400 million. When he left, UnitedHealth Group the company had more than $70 billion in annual revenues, more than 50,000 employees, and more than sixty million health plan members.