Board of Directors
Paul DeWeeseChief Executive Officer, Boomerang Tube, LLC
Mr. DeWeese has been a director since August 2016. He is the Chief Executive Officer of Boomerang Tube, LLC. a leading manufacturer and supplier of steel pipes and related services (OCTG) for the Energy industry. Prior to that, he was the Chief Executive Officer of Epic Industrial Solutions, LLC, a company that provides parts and services for industrial engines and compressors in the oil and gas and industrial markets. He held this position since May 2015. Prior to Epic Industrial Solutions, Mr. DeWeese served as Chief Executive Officer of Southwest Oilfield Products, Inc., an aftermarket supplier for drilling rigs in the upstream oil and gas industry, from May 2012 through April 2015. Before joining Southwest Oilfield Products, Mr. DeWeese worked for Socotherm S.p.A., a pipe coating company based in Italy as its Chief Executive Officer. Prior to Socotherm, Mr. DeWeese served as President of CRC-Evans Automatic Welding, a world leader in welding systems for onshore and offshore pipeline construction projects, providing an extensive range of equipment for a variety of project applications. Mr. DeWeese spent 13 years with Cameron International Corporation in various leadership roles handling their centrifugal compressor and reciprocating compressor aftermarket business. Mr. DeWeese received his Bachelor of Science in Business Administration degree from Regis University, and his Master of Business Administration degree from the University of Michigan.
Robert FlexonFormer President and Chief Executive Officer, Dynegy Inc.
Mr. Flexon has been a director since April 2018. Mr. Flexon was President and Chief Executive Officer and Director of Dynegy Inc. (NYSE: DYN), an independent power producer that owned and operated a number of natural gas and coal-fueled power stations in the U.S, from July 2011 to April 2018. Dynegy Inc. was acquired by Vistra Energy Corp. (NYSE: VST) in April 2018. Prior to joining Dynegy Inc., Mr. Flexon served as the Chief Financial Officer of UGI Corporation (NYSE: UGI), a distributor and marketer of energy products and related services from February 2011 to July 2011. Mr. Flexon was the Chief Executive Officer of Foster Wheeler AG (NASDAQ: FWLT) from June 2010 to October 2010 and the President and Chief Executive Officer of Foster Wheeler USA from November 2009 to May 2010. Prior to joining Foster Wheeler, Mr. Flexon was Executive Vice President and Chief Financial Officer of NRG Energy, Inc. (NYSE: NRG) from February 2009 to November 2009. Mr. Flexon previously served as Executive Vice President and Chief Operating Officer of NRG Energy, Inc. from March 2008 to February 2009 and as its Executive Vice President and Chief Financial Officer from 2004 to 2008. Prior to joining NRG Energy, Mr. Flexon held executive positions with Hercules, Inc. and various key positions, including General Auditor, with Atlantic Richfield Company. Mr. Flexon served on the public board of directors of Foster Wheeler from 2006 until 2009 and from May 2010 to October 2010 and is currently serving on the Boards of Westmoreland Coal Company and Genesys Works-Houston, an organization that transforms the lives of disadvantaged high school students through meaningful work experience. Mr. Flexon holds a Bachelor of Science degree in Accounting from Villanova University.
Darren JamisonPresident and Chief Executive Officer, Capstone Turbine Corporation
Mr. Jamison joined Capstone in December 2006 as President and Chief Executive Officer and has been a director since December 2006. Mr. Jamison joined Capstone from Northern Power Systems, Inc., a company that designs, manufactures and sells wind turbines into the global marketplace, where he served as President and Chief Operating Officer and Executive Vice President of Operations. Prior to joining Northern Power Systems, Inc., Mr. Jamison was Vice President and General Manager of Distributed Energy Solutions for Stewart & Stevenson Services, Inc., a leading designer, manufacturer and marketer of specialized engine‑driven power generation equipment to the oil and gas, renewable and energy efficiency markets. He holds a Bachelor of Arts degree in Business Administration and Finance from Seattle University.
Yon JordenIndependent Director Former Executive Vice President and Chief Financial Officer, AdvancePCS
Ms. Jorden has been a director since April 2017. Ms. Jorden has served as director for Maxwell Technologies (NASDAQ: MXWL), a leader in development and manufacturing of energy storage and power delivery solutions. She was appointed a director in May 2008. She serves as the chairperson of the compensation committee and is also a member of the audit committee and the governance and nominating committee, the latter of which she has previously served on as chairperson. Ms. Jorden, also currently serves as a director and finance committee member of Methodist Health System, a not for profit Texas-based hospital system. Ms. Jorden also serves on the Board of Governors for the Dallas Symphony Association as audit committee chair, finance committee chair and executive committee. She is also a member of the Board of Directors of the World Affairs Council of Dallas–Fort Worth. Prior to her current roles, Ms. Jorden also served as a director and chairperson of the audit committee of Magnatek, Inc., (NASDAQ: MAG) manufacturer of digital power control systems, U.S. Oncology, a privately-held oncology services company, and BioScrip, (NASDAQ: BIOS) national provider of infusion and home care management solutions. In these companies she served on various board of director committees including the governance and nominating committee. During a business career spanning more than 25 years, she has served as chief financial officer of four publicly traded companies, most recently as Executive Vice President and Chief Financial Officer of AdvancePCS (Nasdaq: ADVP), a pharmacy benefits management company. She previously served in the position of Executive Vice President and Chief Financial Officer of Informix Corporation (NASDAQ: IFMX), a software and technology company. Before joining Informix Corporation, Ms. Jorden worked for Oxford Health Plans, Inc. (NYSE: OHP) as its Senior Vice President and Chief Financial Officer. Ms. Jorden also worked for Aera Energy LLC (private) as its Senior Vice President and Chief Financial Officer. Prior to such time, Ms. Jorden was employed by WellPoint, Inc. (NYSE: WLP) as its Senior Vice President and Chief Financial Officer. Ms. Jorden received her Bachelor of Science degree in Accounting from the California State University, Los Angeles. Earlier in her career she was a senior auditor with Arthur Andersen & Co., where she became a Certified Public Accountant (inactive) in the State of California.
Gary MayoNon-Executive Director Former Vice President, Corporate Sustainability Strategies, MGM Resorts International
Mr. Mayo has been a Director since October 2007. He was a Founding Director and Chief Operating Officer of Education Resource Strategies, Inc., a privately held education marketing services company from November 2010 to December 2017. He is also the former Managing Principal of Sustainability Excellence Associates, LLC, a consulting firm specializing in strategic planning for sustainability and environmental strategy development. Mr. Mayo was Vice President of Corporate Sustainability Strategies from November 2006 to October 2008, in the Energy and Environmental Services Division of MGM Resorts International (NYSE: MGM), one of the world’s leading global hospitality companies. Prior to that Mr. Mayo held several senior leadership positions with Ford Motor Company (NYSE:F) and its spun off subsidiary Visteon Corporation (NYSE: VC), including Director of the Distributed Power Generation Strategic Business Unit and Global Director of Government Affairs and Corporate Responsibility. Mr. Mayo holds a Bachelor of Science degree in Marketing from C.W. Post College of Long Island University and a Master of Business Administration degree from the Fuqua School of Business at Duke University. He also completed the UCLA Anderson Graduate School of Management, Director Education and Certification Program in May 2009.
Robert PowelsonPresident & CEO, National Association of Water Companies (NAWC) Former, Commissioner Federal Energy Regulatory Commission
Mr. Powelson has been a director since June 2019. Since June 2018, Mr. Powelson has served as the President and Chief Executive Officer of the National Association of Water Companies (“NAWC”). Prior to joining NAWC, Mr. Powelson was nominated to the Federal Energy Regulatory Commissioner (“FERC”) by President Donald J. Trump in May 2017, confirmed by the U.S. Senate in August 2017, and served as a member of FERC until August 2018. Prior to his appointment to FERC, Mr. Powelson served on the Pennsylvania Public Utility Commission (“PUC”) from June 2008 to August 2017, and served as the PUC’s chairman from February 2011 to May 2015. Mr. Powelson also served on Pennsylvania’s Marcellus Shale Advisory Commission from March 2011 to July 2011. Prior to joining the PUC, Mr. Powelson served as president of the Chester County Chamber of Business & Industry from February 1994 to July 2008. Mr. Powelson was also a past president of the National Association of Regulatory Utility Commissioners (“NARUC”), where he also was a member of the board of directors from March 2011 to July 2017. Mr. Powelson served as chairman of the NARUC Committee on Water and Power and represented the Water Committee on NARUC’s Task Force on Climate Policy. Mr. Powelson holds a Masters of Governmental Administration from the University of Pennsylvania and a Bachelor of Arts from St. Joseph’s University.
Holly Van DeursenChair of the Board, Capstone Turbine Corporation Non-Executive Director (several companies) Former Executive, BP plc/Amoco Corporation
Ms. Van Deursen has been a director since October 2007 and has served as Chair of the Board of Directors since August 2016. Ms. Van Deursen has served as a director for Actuant Corporation (NYSE: ATU) since 2008, Bemis Company, Inc. (NYSE: BMS) since 2008, Anson Industries (private) since 2006 and Petroleum Geo‑Services (OSE: PGS) since 2006. Prior to her current roles, Ms. Van Deursen was employed by BP plc/Amoco Corporation and served on the Top‑Forty Executive Team as Group Vice President, Petrochemicals and Group Vice President, Strategy. Ms. Van Deursen received her Bachelor of Science degree in Chemical Engineering from the University of Kansas and her Master of Business Administration degree from the University of Michigan.
Denise WilsonDirector Former Executive Vice President and President, New Business for NRG Energy, Inc.
Ms. Wilson was formerly the Executive Vice President and President, New Business for NRG Energy, Inc., ("NRG") a Fortune 500 company that generates electricity and provides energy solutions and natural gas to more than 3.7 million residential, small business, and commercial and industrial customers.
From July 2011 to January 2016, Ms. Wilson served as Executive Vice President and President, New Business of NRG, an independent power company with generation, energy retail business and cleantech ventures. From September 2008 to July 2011, Ms. Wilson served as Executive Vice President and Chief Administrative Officer of NRG. Prior to September 2008, Ms. Wilson served as Executive Vice President, Human Resources for Nash-Finch Company, a national food distributor, and in various roles at NRG from 2000-2007.
Prior to joining NRG, Ms. Wilson held various key positions as Vice President Human Resources with Metris Companies Inc. and Director, Human Resources with General Electric ITS. Ms. Wilson holds a Masters in Industrial Relations from the University of Minnesota.