Byron L. Dorgan has served as a director of Codexis since February 2011. Mr. Dorgan brings to our board of directors a wealth of experience in the energy sector, policy making and government affairs. Mr. Dorgan represented the State of North Dakota in the United States Senate from 1992 to January 2011. Prior to serving in the United States Senate, Mr. Dorgan served in the United States House of Representatives from 1981 to 1992. During his time in the United States Senate, Mr. Dorgan served in the US Senate Leadership, first as Assistant Democratic Floor Leader and then as Chairman of the Democratic Policy Committee. He also served as the Chairman of the Committee on Indian Affairs and was the senior Senator on the Appropriations, Energy and Commerce Committees. Prior to being elected to the United States House of Representatives, Mr. Dorgan served as North Dakota State Tax Commissioner from 1969 until 1980. Mr. Dorgan is also the author of two books, Take this Job and Ship It: How Corporate Greed and Brain-Dead Politics Are Selling Out America, a New York Times bestseller, and Reckless! How Debt, Deregulation and Dark Money Nearly Bankrupted America. He holds a B.S. from the University of North Dakota and a M.B.A. from the University of Denver.