Board of Directors

Hilary E. Ackermann, chair of the risk committee: Ackermann brings extensive experience assessing credit for major banking institutions, covering a variety of industries including the power generation, electrical utilities, and natural resources sectors, as well as in depth coverage of commodities trading including, oil, natural gas, and power as a risk manager. Previously, Ackermann served on the board of Dynegy and, prior to that, was chief risk officer with Goldman Sachs Bank USA. Ackermann served as managing director, credit department of Goldman, Sachs & Co., as VP, credit department, and as an associate in the credit department. Prior to joining Goldman, Sachs, Ackermann served as assistant department head of Swiss Bank Corporation.

Gavin Baiera, chair of the compensation committee: Gavin Baiera is a senior managing director at Centerbridge Partners, L.P, which is a multi-strategy private investment firm focused on leveraged buyouts and distressed securities. He recently served as a managing director at Angelo, Gordon & Co., where he was the global head of the firm’s corporate credit activities and portfolio manager for its distressed funds. Baiera was also a member of the firm’s executive committee. Prior to joining Angelo, Gordon in 2008, Baiera was the co-head of the strategic finance group at Morgan Stanley, which was responsible for all origination, underwriting, and distribution of restructuring transactions. Prior to that, Baiera worked at General Electric Capital Corporation, concentrating on underwriting and investing in restructuring transactions. Baiera, who began his career at GE Capital in its financial management program, has served on numerous boards of directors including, most recently, MACH Gen, Orbitz Worldwide, and Travelport Worldwide. He received a bachelor’s degree from Fairfield University and a master’s of business administration from the University of Southern California.

Paul M. Barbas: Paul M. Barbas brings extensive utility, management, and oversight experience, having served in executive management positions with various utility and other companies. Barbas most recently served on the board of directors of Dynegy. Previously, he was president and CEO of DPL Inc. and its principal subsidiary, The Dayton Power and Light Company (DP&L), and he also served on the board of directors of DPL Inc. and DP&L. He previously served as executive vice president and COO of Chesapeake Utilities Corporation, a diversified utility company engaged in natural gas distribution, transmission, and marketing, propane gas distribution and wholesale marketing, and other related services, and he was executive vice president of Allegheny Power. Barbas also serves on the public board of Pepco Holdings, Inc.

Brian Ferraioli, chair of the audit committee: Brian Ferraioli most recently served as executive vice president and chief financial officer of KBR, Inc., a global engineering, construction, and services company supporting the energy, petrochemicals, government services, and civil infrastructure sectors. Prior to KBR, Ferraioli was chief financial offer at The Shaw Group, Inc., an engineering, construction, and fabrication company serving the electric power generation and government services industries. Prior to that, Ferraioli worked 28 years in various finance and accounting functions with Foster Wheeler AG, a Swiss global conglomerate that provides design, engineering, construction, manufacturing, development, and plant operations. In addition to Vistra Energy, Ferraioli serves on the boards of Team, Inc. and Charah Solutions, Inc. and previously served on the boards of Babcock & Wilcox Enterprises, its predecessor company, Babcock & Wilcox, Inc., and Adolfson & Peterson, a private construction company. Ferraioli graduated with a bachelor’s degree in accounting from Seton Hall University and received a master of business administration from Columbia University.

Scott Helm, board chair: Scott Helm is a private investor based out of Baltimore. Previously, Helm was a founding partner of Energy Capital Partners, a private equity firm focused on investing in North American energy infrastructure. Prior to joining Energy Capital Partners, he served as executive vice president and chief financial officer at Orion Power Holdings, Inc., a publicly listed company that owned and operated power plants. Before that, he worked as a consultant to the private equity consortium leading the acquisition at Texas Genco. Helm began his career at Goldman Sachs & Co., first working in the company’s fixed income division then moving to the investment banking division. He received a bachelor’s degree in business administration from Washington University. Helm serves as treasurer on the board of the Chesapeake Shakespeare Company.

Jeff Hunter: Jeff Hunter is a managing member of Waterloo Capital Management. Prior to joining Waterloo, Hunter was the co-founder, managing partner and chief financial officer for Power Capital Advisors, LLC, where he managed the corporate development, due diligence and project financing functions. Previously, Hunter was a co-founder, executive vice president and chief financial officer of US Power Generating Company, a privately held merchant power company that acquired, financed and operated a portfolio of five conventional power stations located in New York, New York and Boston, Massachusetts. Prior to USPowerGen, Hunter was a partner at PA Consulting Group and principally responsible for managing the global energy strategy and risk management practice. Hunter currently serves on the board of directors of US Power Generating Company and Texas Transmission Holdings.

Curt Morgan: Since October 2016, Curtis, “Curt,” Morgan has served as president and chief executive officer of Vistra Energy. Prior to joining Vistra Energy, Morgan was an operating partner at Energy Capital Partners, a private equity firm focused on investing in North America’s energy infrastructure. He joined the firm in 2015 and was involved in all areas of the firm’s investment activities, with a particular emphasis on origination, diligence and portfolio company governance and oversight, across all of Energy Capital’s sectors of investments. During his 35-year career, Morgan has held leadership responsibilities in nearly every major U.S. power market. Prior to joining Energy Capital, he served as the president and CEO of both EquiPower Resources Corp. and FirstLight Power Resources, Inc. He recently served as a director of Summit Midstream General Partner at Summit Midstream Partners. He has also held leadership positions at NRG Energy, Mirant Corporation, Reliant Energy and BP Amoco. Morgan has served on the board of directors of the Electric Power Supply Association, the competitive power generation industry organization, and on the board of Prevent Child Abuse Georgia. A certified public accountant, Morgan received a bachelor’s degree in accounting from Western Illinois University and a master’s of business administration in finance and economics from the University of Chicago.

Geoffrey Strong: Geoffrey Strong is a senior partner of Apollo Management, where he focuses on investments in the energy sector for the firm’s private equity funds. Prior to Apollo, Strong was an investor in the private equity group at Blackstone, where he also focused primarily on the energy sector. Before joining Blackstone, Strong was a vice president of Morgan Stanley Capital Partners, the private equity business within Morgan Stanley. In addition to Vistra Energy, Strong serves of the boards of directors of Apex Energy, Caelus Energy, Chisolm Oil and Gas, Double Eagle Energy I and Double Eagle Energy II. Strong graduated summa cum laude with a bachelor’s degree from Western Oregon University, graduated cum laude with a juris doctor degree from Lewis & Clark College and received a master’s of business administration from the Wharton School of the University of Pennsylvania.

John R. Sult: Through his experience in senior executive financial positions with large public companies, John R. Sult brings significant knowledge of accounting, capital structures, finance, financial reporting, strategic planning, and forecasting, in addition to extensive knowledge of the energy industry. Sult served on the board of directors of Dynegy from 2012 to 2018. Previously, he was executive vice president and CFO of Marathon Oil Corporation, and was executive vice president and CFO of El Paso Corporation prior to that. Prior to joining El Paso, Sult served as vice president and controller of Halliburton Energy Services, and prior to joining Halliburton, Sult managed an independent consulting practice that provided a broad range of finance and accounting advisory services and assistance to public companies in the energy industry. Prior to private practice, Sult was an audit partner with Arthur Andersen LLP. Sult also currently serves on the board of directors of Jagged Peak Energy, Inc.

Bruce Zimmerman: Bruce Zimmerman is Chief Investment Officer for the Dalio Family Office and Philanthropies. He has been a member of the Oaktree Specialty Lending Corporation and Oaktree Strategic Income Corporation boards since October 2017. In addition, he is the vice chair of The CommonFund, a board he has served on since 2010, and he’s been a board member of The Beneficient Companies since April 2018. Previously, Zimmerman was the chief executive officer and chief investment officer of the University of Texas Investment Management Company from 2007 until 2016. UTIMCO is the largest investor of discretionary university assets worldwide. Before joining UTIMCO, Zimmerman was chief investment officer and global head of pension investments at Citigroup. He also served as chief financial officer and chief administrative officer of Citigroup Alternate Investments, which invests proprietary and client capital across a range of hedge fund, private equity, real estate, and structured credit vehicles. Prior to his work at Citigroup, Zimmerman spent 13 years at Texas Commerce Bank/JP Morgan Chase in a variety of capacities, including merger and acquisition investment banking, internet and ATM retail management, consumer marketing and financial planning, strategy, and corporate department. Zimmerman received a master’s of business administration from Harvard Business School and graduated magna cum laude from Duke University.