Tanya S. Beder

John Yearwood was elected to the Board in 2010 and appointed Lead Director in 2011. He currently serves as a member of the Executive, Audit, Environmental, Social and Governance, Risk Oversight, and Technology and Safety Committees of the Board.

Yearwood currently serves on the Board of Directors of Sabine Oil & Gas LLC (formerly NFR Energy LLC, which was a joint-venture subsidiary of the Company until 2012), Sheridan Production Partners, Barra Energia, Premium Oilfield Services, LLC, Foro Energy LLC, Dixie Electric LLC, and Coil Tubing Partners LLC. Until August 2010, he served as the Chief Executive Officer, President, and Chief Operating Officer of Smith International, Inc. Yearwood was first elected to Smith’s Board of Directors in 2006 and remained on the board until he successfully negotiated and completed the sale of Smith to Schlumberger Ltd. in 2010. Before joining Smith, Yearwood spent 27 years with Schlumberger in numerous operations management and staff positions throughout Latin America, Europe, North Africa, and North America, including as President and in financial director positions. Yearwood received a Bachelor of Science Honors Degree in Geology and the Environment from Oxford Brookes University in England.

Yearwood brings significant executive management experience in the oilfield services industry to our Board. His extensive knowledge of the industry, combined with his keen insight into strategic development initiatives, operations, and our competitive environment, have provided the basis for the extraordinary leadership and critical independent oversight Yearwood demonstrates as Lead Director.