National Oilwell names Clay C. Williams as president and CEO National Oilwell Varco announced that Clay C. Williams has been appointed President and CEO of the Company effective immediately. The Company has previously announced that Merrill A. “Pete” Miller, Jr. would step down as Chairman and CEO contemporaneous with the completion of its announced plan to spin off its Distribution Business to its shareholders as an independent, publicly traded company. Mr. Miller elected to step down early as CEO but will remain as Executive Chairman. Mr. Miller will step down as the Company’s Executive Chairman simultaneous with the completion of the spin off in order to become the Executive Chairman of that publicly traded distribution company. Mr. Williams has served as a member of the Company’s Board of Directors since November 2013 and as the Company’s President and COO since December 2012.