Board of Directors

Board of Directors

Rhys J. Best
Rhys J. Best
Chairman of the Board
Rhys J. Best Rhys J. Best is the Non-Executive Chairman of the Board. Mr. Best is Non-Executive Chairman of MRC Global, Inc., a global industrial distributor of infrastructure products and services for the energy industry. Beginning in 1999, Mr. Best served as Chairman, President, and Chief Executive Officer of Lone Star Technologies, Inc., a company engaged in producing and marketing casing, tubing, line pipe and couplings for the oil and natural gas, industrial, automotive and power generation industries. He was also a director of, and remained in these positions with, Lone Star Technologies, Inc., until its acquisition by U.S. Steel Corp. in 2007. Mr. Best is a member of the board of directors of Cabot Oil & Gas Corporation, an independent natural gas producer, and Commercial Metals Corporation. From 2004 to 2014, he served on the board of directors of Crosstex Energy, L.P. and also served as Non-Executive Chairman of Crosstex from 2009 to 2014. From 2005 until November 2018, he was a member of the board of directors of Trinity Industries, Inc. (“Trinity Industries”), and from 2007 until December 2018, he served on the board of directors of Austin Industries, Inc.
Joseph Alvarado
Joseph Alvarado
Director
Joseph Alvarado Joseph Alvarado is a member of the Human Resources Committee and a member of the Corporate Governance and Directors Nominating Committee. Mr. Alvarado is the retired Chairman and CEO of Commercial Metals Company (“CMC”), a global manufacturer, recycler and marketer of steel and other metals. Mr. Alvarado joined CMC in April 2010, and prior to serving as Chairman from 2013 to 2018 and CEO from 2011 to 2017 he held the position of Executive Vice President and Chief Operating Officer. Prior to his tenure at CMC, Mr. Alvarado served as President, U.S. Steel Tubular Products for U.S. Steel Corp. after the completed acquisition of Lone Star Technologies, Inc. where he had served as President and Chief Operating Officer from 2004 to 2007. Prior to this, Mr. Alvarado served as a Vice President for Ispat North America Inc. (now Arcelor Mittal) in 1998 and as an Executive Vice President at Birmingham Steel Company in 1997. Mr. Alvarado began his career at Inland Steel Company in 1976, and in 1988 he was appointed Vice President and General Manager, Sales and Marketing for Inland Bar Company and was made President in 1995. Mr. Alvarado currently serves as a director of Trinseo, Kennametal, Inc., and PNC Financial Services Group, Inc., and he is a former director of Spectra Energy from 2011 until February 2017 when Spectra Energy merged with Enbridge, Inc. He has also served on the board of directors of various industry trade associations and community organizations.
David W. Biegler
David W. Biegler
Director
David W. Biegler David W. Biegler is the Chair of the Human Resources Committee. Mr. Biegler serves as a director of Southcross Energy Partners GP, LLC (“Southcross GP”), and served from March 2018 to September 2018 as acting Chairman, President, and Chief Executive Officer, served as Chairman since 2015, as Chairman, President, and Chief Executive Officer from 2012 to 2015, and as Chairman and Chief Executive Officer from 2011 to 2012. Southcross GP is the general partner of Southcross Energy Partners, L.P. (“Southcross LP”), a company engaged in natural gas transportation and processing. Mr. Biegler served as Chairman of Southcross Holdings LP, which is currently the sole owner of Southcross GP, from August 2014 to January 2017, and served as its Chief Executive Officer from August 2014 to December 2014. Mr. Biegler also served as a director of Dynegy, Inc., a provider of wholesale power, capacity and ancillary services, from 2003 to 2011, and interim President and Chief Executive Officer of Dynegy, Inc. from March 2011 to April 2011. From 1992 until November 2018, he was a member of the board of directors of Trinity Industries. He retired as Vice Chairman of TXU Corp. in 2001, having served TXU Corp. as President and Chief Operating Officer from 1997 to 2001. Mr. Biegler is also a director of Southwest Airlines, Inc. and Austin Industries, Inc.
Antonio Carrillo
Antonio Carrillo
Director
Antonio Carrillo Antonio Carrillo serves as Arcosa’s President and Chief Executive Officer, as well as a member of its Board of Directors. From April 2018 until November 2018, Mr. Carrillo served as the Senior Vice President and Group President of Construction, Energy, Marine and Components of Trinity Industries, Inc. (“Trinity Industries”). From 2012 to February 2018, Mr. Carrillo served as the Chief Executive Officer of Orbia Advance Corporation (formerly known as Mexichem S.A.B. de C.V.) (“Orbia”), a publicly-traded global specialty chemical company. Prior to joining Orbia, Mr. Carrillo spent 16 years at Trinity Industries where he served as Senior Vice President and Group President of Trinity Industries’ Energy Equipment Group and was responsible for Trinity Industries’ Mexico operations. Mr. Carrillo previously served as a director of Trinity Industries from 2014 to November 2018 and as a director of Dr. Pepper Snapple Group, Inc. from 2015 to 2018. Mr. Carrillo currently serves as a director of NRG Energy.

Mr. Carrillo has served as Professor of Finance at the Instituto Tecnológico Autónomo de México, one of the most prestigious universities in finance and accounting in Mexico. Mr. Carrillo holds a Master’s Degree in Business Administration with a major in finance from the Wharton School of the University of Pennsylvania. He earned his Bachelor’s Degree in Mechanical and Electrical Engineering at Universidad Anáhuac in Mexico City.
Jeffrey A. Craig
Jeffrey A. Craig
Director
Jeffrey A. Craig Jeffrey A. Craig is a member of the Audit Committee. Mr. Craig has served as Chief Executive Officer and President of Meritor, Inc., a global supplier for commercial vehicle manufacturers, since April 2015. Prior to this, from June 2014 to March 2015, Mr. Craig was President and Chief Operating Officer, with oversight of Meritor’s business segments – Commercial Truck & Industrial and Aftermarket & Trailer. He has been a member of the Meritor Board of Directors since April 2015. Prior to taking on the role of President and COO, Mr. Craig was Senior Vice President and President of Meritor’s Commercial Truck & Industrial segment from February 2013 to May 2014. He served as Senior Vice President and Chief Financial Officer at Meritor from February 2009 to January 2013 and has held various leadership positions at the company since 2006. Before joining Meritor, Mr. Craig served as President and CEO of General Motors Acceptance Corp.’s (“GMAC”) Commercial Finance organization from 2001 to 2006. Prior to that, Mr. Craig was President and CEO of GMAC’s Business Credit division from 1999 until 2001. He joined GMAC as a general auditor in 1997 from Deloitte & Touche, where he served as an audit partner.
Ronald J. Gafford
Ronald J. Gafford
Director
Ronald J. Gafford Ronald J. Gafford is the Chair of the Corporate Governance and Directors Nominating Committee. Mr. Gafford served as President and Chief Executive Officer of Austin Industries, Inc., a U.S.-based construction company, from 2001 to 2012, and Chairman from 2008 to 2012, when he retired. Mr. Gafford is a member of the board of directors of publicly-traded Daseke, Inc., a transportation company, and is Chairman of the Board of Rees Architects, Inc., a privately-held architecture firm. From 1999 until November 2018, he was a member of the board of directors of Trinity Industries. Mr. Gafford began his career as a Project Engineer/Estimator and later a Project Manager for the Henry C. Beck Company in Dallas, TX. He later joined the Trammell Crow Company and served as Partner for their Construction and Development.
John W. Lindsay
John W. Lindsay
Director
John W. Lindsay John W. Lindsay is a member of the Human Resources Committee. Mr. Lindsay has served as Chief Executive Officer of Helmerich & Payne, Inc., a provider of drilling services and technologies, since 2014 and President and Director since 2012. Mr. Lindsay joined Helmerich & Payne in 1987 and has served in various positions including Vice President, U.S. Land Operations from 1997 to 2006 for Helmerich & Payne International Drilling Co., Executive Vice President, U.S. and International Operations from 2006 to 2010, Executive Vice President and Chief Operating Officer from 2010 to 2012, and President and Chief Operating Officer of the Company from 2012 to 2014.
Douglas L. Rock
Douglas L. Rock
Director
Douglas L. Rock Douglas L. Rock is the Chair of the Audit Committee. From 1990 to 2010, Mr. Rock served as the Chairman of Smith International, Inc., a provider of products and services to oil and gas exploration and production companies. Mr. Rock joined Smith International, Inc. in 1974 and served as Chief Executive Officer, President, and Chief Operating Officer from 1989 to 2008. From 2010 until November 2018, he served as a member of the board of directors of Trinity Industries.
Melanie M. Trent
Melanie M. Trent
Director
Melanie M. Trent Melanie M. Trent is a member of the Audit Committee and a member of the Corporate Governance and Directors Nominating Committee. Ms. Trent previously served in various legal, administrative and compliance capacities for Rowan Companies plc, a global offshore contract drilling company, from 2005 until April 2017, including as an Executive Vice President, General Counsel and Chief Administrative Officer from 2014 until April 2017, as Senior Vice President, Chief Administrative Officer and Company Secretary from 2011 until 2014, and as Vice President and Corporate Secretary from 2010 until 2011. Prior to her tenure at Rowan, Ms. Trent served in various legal, administrative and investor relations capacities for Reliant Energy Incorporated, served as counsel at Compaq Computer Corporation and as an associate at Andrews Kurth LLP. She serves as a director for Diamondback Energy, Inc., an oil and natural gas company, and Frank’s International N.V., a global tubular and oil and gas service provider.