Primary Job Title Member of the Board of Directors Primary Organization 
Fifth Third Bank
Gender Male
Michael McCallister is the Board Chair of Zoetis. He previously worked as Chairman of the Board of Directors at Humana. Michael McCallister attended the Pepperdine University. Michael McCallister is Chairman of the Board of Humana Inc. (a leading health care company in Louisville, Kentucky) and has served in this capacity since 2010, having also
served as Chief Executive Officer of Humana Inc. from 2000 until his retirement in December 2012. During McCallister’s tenure, he led the company through significant expansion and growth, nearly quadrupling its annual revenues between 2000 and 2012, and leading the company in becoming a FORTUNE 100 company.
McCallister received his B.S. in accounting from Louisiana Tech University and earned his M.B.A. from Pepperdine University.
He was elected a Director of AT&T in February 2013.
He is a member of the Audit Committee and the Public Policy and Corporate Reputation Committee.
McCallister is a Director of Fifth Third Bancorp; Humana Inc.; and Zoetis Inc. In 2008, McCallister served as a Director of National City Corporation until its merger with The PNC Financial Services Group, Inc. on December 31, 2008.
