Anthony G. Petrello, Chairman of the Board of Nabors and its subsidiary, Nabors Industries, Inc., since 2012 and director of each since 1991; Deputy Chairman of Nabors 2003-2012; President and CEO of Nabors and Nabors Industries, Inc. since 2011; President and Chief Operating Officer of Nabors and Nabors Industries, Inc. from 1991-2011. Mr. Petrello holds a J.D. degree from Harvard Law School and B.S. and M.S. degrees in Mathematics from Yale University. Mr. Petrello also serves as a director of Stewart & Stevenson LLC and Hilcorp Energy Company.