James N. Wilson has served as a director and as Chairman of our Board since 1999. From 2005 to 2018, he was also a member of the board of directors of NuGEN Technologies, Inc., a provider of systems for genomic analysis. From 2002 to 2009, Mr. Wilson served as the lead independent director of Amylin Pharmaceuticals, Inc., a publicly traded biopharmaceutical company, and from 1996 to 2001, he was Chairman of the board of directors of Amira Medical, Inc., which was acquired by Hoffmann-La Roche A.G. From 1991 to 1994, Mr. Wilson was Chief Operating Officer of Syntex Corporation, which was acquired by Roche Holding, Ltd. From 1989 to 1990, Mr. Wilson was Chairman and Chief Executive Officer of Neurex Corporation, which was acquired by Elan Corporation plc. From 1982 to 1988, he was Chief Executive Officer of LifeScan, Inc., which was acquired by Johnson & Johnson Company. Mr. Wilson received his B.A. and M.B.A. from the University of Arizona. Mr. Wilson brings to our Board experience in the biotechnology industry, as both a senior executive and director.