Martin S. Craighead is President and Chief Executive Officer of Baker Hughes Incorporated. He joined the company in 1986 and throughout his career has held a variety of operational and functional leadership roles of increasing responsibility within Baker Hughes. Prior to being named CEO, Craighead served as President and Chief Operating Officer. His previous executive roles include serving as Group President of Drilling and Evaluation and President of various operating divisions. Earlier in his career, he also held management roles in North America, Latin America and Asia. Craighead holds a Bachelor of Science degree in Petroleum and Natural Gas Engineering from Pennsylvania State University and a Master of Business Administration from Vanderbilt University. He is the recipient of the 2010 C. Drew Stahl Distinguished Achievement Award at Penn State and serves his community through a variety of charitable organizations.

(Director since 2002) Chairman of the Board of Directors since 2011 and President and Chief Executive Officer of Marathon Oil Corporation from 2002 through 2011(diversified petroleum). He served as Vice Chairman of USX Corporation and President of Marathon Oil Company from 2000 to 2001. He is a director and executive committee member of both the U.S. Saudi Arabian Business Council and the American Petroleum Institute.

(Director since 1998) is Former Vice Chairman, Diversified Search and Diversified Health Search Companies (executive search consultants). She was Vice Chairman, Diversified Search and Diversified Health Search Companies from 1990 to 1998. Ms. Gargalli served as President and Chief Operating Officer of Equimark from 1984 to 1990. During that period, she also served as Chairman and Chief Executive Officer of Equimark's two principal subsidiaries, Equibank and Liberty Bank. Ms. Gargalli is a director of Praxair, Inc., Intermec, Inc. and Virginia National Bank. She is also a trustee emeritus of Carnegie Mellon University and Middlebury College.

(Director since 2002) Chairman of Manchester Principal LLC (high technology venture capital firm) since 1982. Former First Selectman, Greenwich, Connecticut from 2003 to 2007. Mr. Lash also served as Chairman and Chief Executive Officer of Reading Tube Corporation from 1982 to 1996. He is a director of Ivy Animal Health, Inc., and East West Institute and a trustee of the Massachusetts Institute of Technology.

(Director since 1997) is the former Chairman of Cooper Industries, Ltd. (diversified manufacturer) from 1996 to 2006. He was President from 1992 to 2004 and Chief Executive Officer from 1995 to 2005. He was Executive Vice President, Operations of Cooper Industries, Ltd. from 1982 to 1992, and Chief Operating Officer from 1992 to 1995. Mr. Riley is a director of the Allstate Corporation, Westlake Chemical Corporation and Post Oak Bank, N.A. He also serves as a trustee of Junior Achievement of Southeast Texas Inc., the Museum of Fine Arts, Houston, and Syracuse University.

(Director since 1998) Chairman of Twin Eagle Management Resources (energy marketing) since 2010, Chairman CLW Investments, Inc. (private investments) since 2009 and Chairman of Wincrest Ventures, L.P. (private investments) since January 1994. Chairman of Eagle Energy Partners from 2003 to 2009. Chairman of Collegiate Zone LP since 2004; and Chairman of Sigma Chi Foundation since 2005. Served as Senior Advisor to EDF Trading North America LLC and and Electricite de France (energy marketing) during 2008. He was a Managing Director of Lehman Brothers from 2007 to 2008. He served as Chairman and Chief Executive Officer of Dynegy Inc. (diversified energy) from 1985 to 2002. Mr. Watson was elected Chairman and Chief Executive Officer of NGC Corporation, the predecessor of Dynegy, in 1989. Mr. Watson is also a board member of Mainstream Renewable Power, Angeleno Investors, L.P., and Baylor College of Medicine.