Ben A. Guill

Director at National Oilwell Varco

Mr. Guill has been a Director of the Company since 1999. Since 2010, Mr. Guill has been a founding Partner of White Deer Energy, a private equity fund focused on the exploration & production, oilfield service and equipment, and midstream sectors of the oil and gas industry. Until April 2007, he was President of First Reserve Corporation, a corporate manager of private investments focusing on the energy and energy-related sectors, which he joined in September 1998. Prior to joining First Reserve, Mr. Guill was the Managing Director and Co-head of Investment Banking of Simmons & Company International, an investment-banking firm specializing in the oil service industry.


  • Director

    Current role

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