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UnitedHealth: Renfro replaces Mikan as Optum CEO

Health insurer UnitedHealth Group Inc. said Wednesday that G. Mike Mikan, the CEO of its Optum health service business, is leaving the company to lead a private equity fund.

MINNETONKA, Minn. (AP) — Health insurer UnitedHealth Group Inc. said Wednesday that G. Mike Mikan, the CEO of its Optum health service business, is leaving the company to lead a private equity fund.

The company said Larry Renfro will be the new CEO of Optum business, which has more than 30,000 employees and is divided into three segments: OptumInsight, OptumHealth and OptumRx. Renfro has been with the company since January 2009, and his positions at UnitedHealth have included CEO of the public and senior markets business. He joined the Office of the CEO earlier in 2011.

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