Board of Directors

Peter Bernard

Peter Bernard

Chairman of the Board

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David B. Krieger

David B. Krieger

Managing Director, Warburg Pincus

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John A. Holland

John A. Holland

Principal, Warburg Pincus

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Steve Newman

Steve Newman

Independent Director and Board Member

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Jim Renfroe

Jim Renfroe

Independent Director and Board Member

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Mark Whitley

Mark Whitley

Independent Director and Board Member

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Peter Bernard

Chairman of the Board

Peter Bernard, age 56, has served as a member of the US Silica Board (SLCA) since May 2012. Mr. Bernard has served as Executive Chairman of C&C Reservoirs since Sept. 2014. He has worked as a consultant to Warburg Pincus since June 2014. He has served as an Independent director for RS Energy since February 2016. In addition, he has served as Chairman of Tendeka from January 2011- August 2016; as a consultant to Kenda Capital, from September 2010-February 2016; and as managing member and owner of Pinion Energy Consulting, LLC, since July 2009. From October 2010 until November 2014, Mr. Bernard served as Executive Chairman of Zeitecs, a specialized artificial lift technology company. Mr. Bernard served in various roles of increasing responsibility and seniority at Halliburton Company until his retirement in December 2008, including as a member of the Executive Committee from 2007 until December 2008 and as Senior Vice President of Business Development and Marketing from 2006 to April 2008. Additionally he served as President and CEO of Landmark Graphics from 2004 to 2006. Mr. Bernard received his Master in Business Administration in Petroleum Engineering from the University of Louisiana at Lafayette.

David B. Krieger

Managing Director, Warburg Pincus

David B. Krieger is based in New York, joined Warburg Pincus in 2000 and focuses on energy investments. Mr. Krieger is also a member of the firm’s Executive Management Group.  Previously, he worked at McKinsey & Company in Atlanta and throughout Europe.  Mr. Krieger is a Director of Black Swan Energy, Canbriam Energy, Kosmos Energy, MainSail Energy, MEG Energy, Osum Oil Sands, Rubicon Oilfield International, Sheridan Production, Trident Energy and Velvet Energy.  He also serves as a trustee of the Kaufman Center for the Performing Arts.  Mr. Krieger received a B.S. in economics summa cum laude from the Wharton School of the University of Pennsylvania, an M.S. with high honors from the Georgia Institute of Technology and a Master in Business Administration with distinction from Harvard Graduate School of Business.

John A. Holland

Principal, Warburg Pincus

John A. Holland joined Warburg Pincus in 2010 and is based in New York, where he focuses on investments in the energy sector. Previously, he worked as an investment professional at GTCR and as an analyst at UBS Investment Bank. He is a director of Hawkwood Energy and Conquest Completion Services. He has previously collaborated with Brigham Resources, Laredo Petroleum and Targa Resources.  Mr. Holland holds an A.B. in economics with honors from the University of Chicago and a Master in Business Administration from the Stanford Graduate School of Business.

Steve Newman

Independent Director and Board Member

Mr. Newman brings more than 25 years of experience in the energy industry. From 2010 to 2015, he was President & CEO and a member of the Board of Directors of Transocean, one of the world’s largest offshore contract drillers. Mr. Newman is an Independent Director and Board member of Dril-Quip, a leading manufacturer of highly engineered products for the offshore oil and gas industry, SNC-Lavalin, a Montreal-based EPC and Infrastructure company and Tidewater, the leading provider of larger offshore service vessels to the global energy industry. He brings direct international experience in the global marketplace – from the highly regulated deepwater Gulf of Mexico, to the harsh environments of the North Sea and Norway, to the emerging markets in Africa and the Far East – as well as a broad understanding of international oil companies, national oil companies and independents, and the cyclical and capital intensive nature of the energy industry.

Mr. Newman is a member of the Society of Petroleum Engineers, the Institute of Corporate Directors (Canada) and the National Association of Corporate Directors (US). He holds a Bachelor of Science Degree with high scholastic honors from the Colorado School of Mines, and a Master in Business Administration from Harvard Graduate School of Business.

Jim Renfroe

Independent Director and Board Member

Mr. Renfroe has over 43 years’ experience in the global oilfield services industry. His experience began with a thirty-three year career at Halliburton, where he was a senior executive for over eleven years. The Halliburton career became a platfrm for global operational and sales experience, including M&A, as well as was involved in all major organizational changes through the industry cycles. In 2007 Mr. Renfroe left Halliburton and was appointed as CEO of Wood Group’s Well Services Division. He levered his previous experience at Halliburton and successfully guided the WG division through the industry downturn in 2008-9. He and the team at Wood Group dramatically improved the financial performance of WG Well Services and in 2011 Mr. Renfroe led the divestiture process and subsequent sale to GE for $2.8 billion. He remained as strategic advisor to GE Oil and Gas until late 2012, when he joined the board at Expro Group as an independent director. He also became an independent director at Xtreme Drilling in 2013. 

Mr. Renfroe was appointed Chairman of Expro Group in May 2017.

Mr. Renfroe is a member of the Society of Petroleum of Engineers, holds a BBS degree from the University of North Texas, and completed the AMP at Harvard in 2006. He also holds five patents.

Mark Whitley

Independent Director and Board Member

Mark Whitley has over 40 years of experience in oil and gas engineering and operations. He has been actively involved in the shale development in the United States over the last 20 years. Mr. Whitley has led teams that were instrumental in developing techniques to economically develop the Barnett Shale in North Texas and the Marcellus Shale in the Appalachian Basin. Most recently, he was Senior Vice President of Range Resources in Fort Worth, Texas from 2005-2012. There he led the development of the Marcellus and put together Range’s entrance into the Barnett Shale. Prior to his time with Range, Mr. Whitley served as Vice President, Operations for Quicksilver Resources where he assembled the team to begin Quicksilver’s work in the Barnett Shale. From 1997 to 2002, Mr. Whitley served as Vice President and General Manager for Mitchell Energy in North Texas leading the team that developed the completion stimulation techniques that unlocked the shale gas potential of the Barnett Shale. He held a similar position with Devon Energy after the acquisition of Mitchell. While at Mitchell, Mr. Whitley served in other operation and engineering roles from 1982 to 1997. Prior to this, he held production and reservoir engineering positions with Shell Oil from 1975 to 1982. Mr. Whitley holds a BS in Chemical Engineering from Worcester Polytechnic Institute and a MS in Chemical Engineering from the University of Kentucky. He serves as a member of the Board of Directors of Rubicon Oilfield International. He has served as an advisor to Warburg Pincus over the last two years.