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Retired Chairman of the Board and Chief Executive Officer, Humana Inc.

Director since 2013

Experience: Mr. McCallister served as Chairman of Humana Inc. (a health care company in Louisville, Kentucky) from 2010 to 2013, and as a member of Humana’s Board of Directors beginning in 2000. He also served as Humana’s Chief Executive Officer from 2000 until his retirement in 2012. During Mr. McCallister’s tenure, he led Humana through significant expansion and growth, nearly quadrupling its annual revenues between 2000 and 2012, and led the company to become a FORTUNE 100 company. Mr. McCallister received his B.S. in accounting from Louisiana Tech University and earned his M.B.A. from Pepperdine University.