Stephen J. Hemsley

Stephen Hemsley became executive chairman, UnitedHealth Group, on September 1, 2017. In this position, Hemsley remains actively involved in supporting the senior management team, oversight of planning and performance and helping guide the enterprise. As chairman of the board of directors, he leads the strategic responsibilities of the board. Hemsley was formerly chief executive officer, UnitedHealth Group, from 2006 to 2017. He has been a member of the company's board of directors since 2006. He previously served as president and chief operating officer, UnitedHealth Group. Hemsley joined the company in June 1997.