Board of Directors

Mr. Flexon serves as Chair of the Board of Capstone Green Energy Holdings, Inc., a position he has held since 2021. Mr. Flexon joined the Capstone Board as a director in 2018 and also served as Capstone’s Interim President and Chief Executive Officer from August 2023 until March 2024 to lead the Company’s restructuring.

Mr. Flexon currently serves as President, Chief Executive Officer and a member of the board of directors of UGI Corporation (NYSE: UGI), a distributor and marketer of energy products and related services and he has served in such positions since November 2024. Mr. Flexon serves as Chairman of the Board of Nexus Water Group since April 2024. He previously served as a director of PG&E Corporation (NYSE: PCG) from June 2020 and chair of the board from July 2020, until October 2024. He has also served as a director for Charah Solutions, Inc. (NYSE: CHRA) from June 2018 to July 2023 and of the Electric Reliability Council of Texas (ERCOT) from December 2021 to November 2024. Mr. Flexon was President and Chief Executive Officer and a director of Dynegy Inc. (NYSE: DYN), a power-generating company that owns and operates a number of natural gas-fueled or coal-fueled power stations in the U.S, from July 2011 to April 2018. Prior to joining Dynegy, Mr. Flexon served as the Chief Financial Officer of UGI Corporation from February 2011 to July 2011. Mr. Flexon was the Chief Executive Officer of Foster Wheeler AG (Nasdaq: FWLT) from June 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 to November 2009. Mr. Flexon previously served as Executive Vice President and Chief Operating Officer of NRG Energy 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. In addition, Mr. Flexon was a CPA with the former Coopers & Lybrand from 1980 to 1987. Mr. Flexon served on the public board of directors of Foster Wheeler from 2006 until 2009 and from May to October 2010, of Westmoreland Coal Company from 2017 to 2019 and of TransAlta Corp. from 2019 to 2020. He served on the board of directors for Genesys Works-Houston, an organization that transforms the lives of disadvantaged high school students through meaningful work experience, from 2016 to 2021. He also served on the board of directors of Baker Ripley, a Texas non-profit organization that connects low-income people to opportunities, from 2014 to 2016. He has served on the board of directors of Nexus, a privately held water utility company, since April 2024. Mr. Flexon holds a Bachelor of Science degree in Accounting from Villanova University. He became a Certified Public Accountant (inactive) in the State of Pennsylvania.

Key Skills and Qualifications

Mr. Flexon brings to the Board over a decade of experience in accounting and financial matters and has a breadth of executive management experience. In his years as an energy industry executive, he has developed a deep comprehension of wholesale power generation markets and customers.

Independent Director

  • Chair of the Board
  • Member of the Audit Committee

Mr. Canino was appointed as President and Chief Executive Officer and a member of the Board on March 11, 2024. Prior to joining the Company, Mr. Canino served as the Chief Operating Officer of ESS Tech, Inc. (NYSE: GWH), a developer of long-duration energy storage solutions, from September 2022 to March 2024. He previously spent approximately eight years with Smardt Chiller Group, Inc. (“Smardt”), a manufacturer of oil-free chillers, most recently serving as Smardt’s President and Chief Executive Officer. Mr. Canino also served in various roles with Trane Commercial Systems (“Trane”), a manufacturer of heating, ventilation and air conditioning systems, including as Trane’s Vice President, Enterprise Businesses and Renewable Energy. Mr. Canino’s career includes multiple leadership, management, operations and sales roles with publicly traded and privately held organizations. Mr. Canino serves as a Board of Directors member of Western Washington University and holds a Master of Science in Engineering Mechanics from Pennsylvania State University and a Bachelor of Technology in Mechanical Engineering from the State University of New York at Binghamton.

Key Skills and Qualifications

Mr. Canino brings to the Board his unique perspective as President and Chief Executive Officer of the Company and substantial executive and industry experience.

Executive Director

Mr. Close has more than 35 years of experience in financial and business management, with experience serving as Chief Financial Officer and in financial planning and analysis, investor relations, M&A, treasury, accounting, HR and IT, with a particular focus in the energy industry. He has served as President of Close Consulting LLC since September 2017, where he has served in interim CFO roles and provides consulting services to business owners of various companies across various industries, including environmental technology, marina management, sports marketing, private philanthropic investment, hospitality technology, and residential solar. Prior to forming Close Consulting, he served as Chief Financial Officer of Noramco, Inc., a global, multi-site manufacturer of opioids and other drug compounds, from 2016 to 2017. He served as Chief Financial Officer at Preferred Sands, Inc., a multi-site manufacturer and distributor of frac sand, from 2012 to 2016. Mr. Close’s career includes experience as an auditor at PricewaterhouseCoopers before progressing into corporate and business unit roles at companies such as ARCO Chemical, Airgas, Exelon Corporation and Constellation Energy. He became a Certified Public Accountant (license inactive) in the State of Pennsylvania and currently holds a Federal and State securities licenses (Series 7 & 66) as a registered advisor. Mr. Close holds a Bachelor of Science in Accounting from the University of Delaware, and a Master of Business Administration from Villanova University.

Key Skills and Qualifications

Mr. Close brings to the Board a depth of expertise in accounting and financial matters, along with a deep understanding of executive management, compensation matters and investor relations.

Independent Director

Ms. Fu has been a director since August 2021. She currently serves on the board of directors of Live Nation Entertainment (NYSE: LYV), the world’s largest live entertainment company, as well as the board of directors of Long Now Foundation and Burning Man Project. In 1996, Ms. Fu co-founded Geomatic, a leader in 3D imaging and 3D printing technologies that has fundamentally changed the way products are designed and manufactured around the world, and she served as its CEO until 2013. Following the acquisition by 3D Systems (NYSE: DDD) of Geomagic in 2013, Ms. Fu served as Chief Strategy Officer and Chief Entrepreneur Officer at 3D Systems until 2016. She was also part of the team that created the NCSA Mosaic software and HTTP server software, which were key in the early development of the Internet. Ms. Fu has received numerous awards for her leadership, including the Outstanding American by Choice award from the U.S. Citizenship and Immigration Services, the Ernst & Young Entrepreneur of the Year award and Inc. Magazine’s Entrepreneur of the Year award. Ms. Fu’s book, Bend Not Break: A Life in Two Worlds, was on the New York Times bestseller list.

Key Skills and Qualifications

Ms. Fu brings to the Board extensive experience in senior executive and leadership positions, global business experience and expertise in technology trends, social change and policy making.

Independent Director

  • Member of Audit Committee
  • Member of Governance and Sustainability Committee

Mr. Miller has over 40 years of broad-based executive management experience in the manufacturing, distribution and transportation industries and has served in senior finance and leadership roles at public and private companies across a range of industry categories. He is serving as Chairman of the Audit Committee on the Board of Directors of Spruce Power Holding Corporation, an owner and operator of distributed solar energy assets, since 2022. From 2017 to 2021, he served as Chief Executive Officer of Power Solutions International, Inc., a publicly traded company focusing on the design, engineering and manufacture of a broad range of advanced, emission-certified engines and power systems. From 2008 until 2016, Mr. Miller served in operational and financial management positions of increasing responsibility at Navistar International Corporation, a global vehicle manufacturer and solutions provider, including as Senior Vice President of Operations and Corporate Finance. Prior to such roles, he served in the role of Chief Financial Officer of Laidlaw International, Inc., a provider of public transportation services, Chicago Metallic Corporation, a global manufacturer of suspended ceiling and metal products, Fleetpride, Inc., a distributor of heavy duty truck parts, and Peapod, an online grocery delivery company. Mr. Miller received his Master of Business Administration from the University of Michigan and a Bachelor of Arts degree in economics from DePauw University.

Key Skills and Qualifications

Mr. Miller brings to the Board of Directors extensive industry experience and expertise in financial management and strategic planning.

Independent Director

  • Chair of Audit Committee
  • Member of Compensation & Human Capital Committee

Mr. Powelson has served as the President and Chief Executive Officer of the National Association of Water Companies (“NAWC”) since June 2018. 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 as an Advisory Board Member of ClearResult, a provider of energy efficiency, energy transition, and energy sustainability services, from 2021 to 2023. 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.

Key Skills and Qualifications

Mr. Powelson brings to the Board extensive expertise in public utilities, the regulatory environment and public policy.

Independent Director

  • Chair of Governance and Sustainability Committee
  • Member of Compensation & Human Capital Committee

Ms. Wilson served as Executive Vice President and President, Alternative Energy Businesses for NRG Energy, Inc. (NYSE: NRG), an independent power company with generation, energy retail business and cleantech ventures, from July 2011 through January 2016. Ms. Wilson served as Executive Vice President and Chief Administrative Officer of NRG from September 2008 through July 2011. Prior to September 2008, Ms. Wilson served as Executive Vice President, Human Resources for Nash- Finch Company, a national food distributor, and other various senior roles at NRG from 2000 through 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.

Key Skills and Qualifications

Ms. Wilson brings to the Board extensive experience as President of a Fortune 500 company that generates electricity and provides energy solutions and natural gas to millions of residential, small business, and commercial and industrial customers.

Independent Director

  • Chair of Compensation & Human Capital Committee
  • Member of Governance & Sustainability Committee