Dr. Hill served as President and Chief Executive Officer of Sun Chemical Corporation, a producer of printing inks and pigments, from January 2006 until his retirement in December 2007. During this time he was also a Supervisory Board member of Sun Chemical Group B.V. From 2001 to 2005, Dr. Hill was Sun Chemical’s Chief Technology and Operating Officer. Prior to joining Sun Chemical Corporation in 2001, Dr. Hill spent four years at JM Huber Corporation as President of Engineered Materials. From 1980 to 1997, Dr. Hill served at AlliedSignal Inc., where he was President, Fibers from 1991 to 1994, Chief Technology Officer, Engineered Materials from 1994 to 1995 and President, Specialty Chemicals through 1997. Dr. Hill began his career at Union Carbide Corporation in 1970, and has also been Director of Exploratory and New Ventures Research at Occidental Petroleum Corporation. He holds a Ph.D. in Materials Science and Engineering as well as an M.S. in Engineering and a B.S. in Materials Science and Engineering from Massachusetts Institute of Technology. Dr. Hill was a member of the board of directors of Symyx Technologies, Inc. from 2007 to 2010, and served as a member of its compensation committee and as the chair of its governance committee.