Michael B. McCallister

Michael McCallister is the former Chairman of the Board and CEO of Humana Inc. Mr. McCallister joined Humana, a health care company offering insurance products and health and welfare services, including insurance products sold directly to consumers, in 1974 and served as its Chief Executive Officer from February 2000 until his retirement in December 2012. During his tenure as CEO Mr. McCallister led numerous M&A transactions, had significant oversight responsibility for the company’s compliance, human capital management and marketing and sales functions and gained research and development experience through oversight of the company’s development of insurance products for governments, individuals and companies. Mr. McCallister also served as Chairman of the Board of Humana from August 2010 to December 2013. Prior to joining Humana in 1974 Mr. McCallister served as the CEO of several hospitals where he gained significant life sciences experience.