Mr. O’Brien served as Chairman of the Board and Chief Executive Officer of Ashland Inc., a leading global specialty chemical company, from 2002 until his retirement in December 2014, and previously served as President and Chief Operating Officer and Senior Vice President and Group Operating Officer from 2001 to 2002. He joined Ashland (then known as Ashland Chemical Company) in 1976, and after serving in various positions, became President of the Valvoline business in 1995. Mr. O’Brien is also a member of the Boards of Directors of Albemarle Corporation and Humana Inc. and was during the last five years a member of the Board of Directors of WESCO International, Inc.
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