Board of Directors

E. Renae Conley is the CEO of ER Solutions, LLC, an energy consulting firm. She has over 30 years of business experience in the energy industry, including leadership positions in finance, management, operations and human resources.  Ms. Conley served as EVP, Human Resources and Administration and Chief Diversity Officer of Entergy Corporation from 2010 to 2013.  She previously served as Chairman, President and CEO of Entergy Louisiana and Gulf States Louisiana (2000 – 2010).  Prior to joining Entergy, Ms. Conley worked for 18 years for PSI Energy/Cinergy Corporation, where she held a variety of positions including President of Cincinnati Gas and Electric.  Ms. Conley currently serves on the Ball State University Board of Trustees as Chair of the Board, and on the Ball State Foundation. She is a director of PNM Resources, Inc., an electric utility company.

Andrew W. Evans is the retired Chief Financial Officer of Southern Company, an electrical and natural gas utility holding company.  He served as CFO from 2018 to 2021, with responsibility for investor relations, public reporting, information technology, cyber security, business development, and risk and capital deployment.  Prior to that he served as Chairman, President and Chief Executive Officer of AGL Resources, Inc., the largest publicly traded gas distribution system in the U.S.  During his 15 years at AGL, Mr. Evans served as Treasurer, CFO, and COO before becoming CEO.  Prior to AGL, Mr. Evans worked at the Federal Reserve Bank of Boston, and at Mirant Corp, a global energy provider.  He is currently a trustee of Emory University and is a director of Georgia Power.  Mr. Evans has served as chair of several philanthropic organizations, including the Grady Hospital Foundation and Zoo Atlanta.  

Karen S. Haller is President and Chief Executive Officer of Southwest Gas Holdings, Inc. and CEO of Southwest Gas Corporation, the Company’s gas utility.  She is a director of the Company and several of its operating subsidiaries.  As leader of Southwest Gas’ regulated and unregulated businesses, Ms. Haller is responsible for improving financial and operational performance and implementing the Company’s strategy, growth initiatives and investment plans. Ms. Haller served in multiple leadership positions during her 27-year tenure with the Company, most recently serving as Executive Vice President and Chief Legal and Administrative Officer. Prior to joining Southwest Gas, Ms. Haller worked as a lawyer in private practice, focused primarily on commercial litigation, business transactions, and corporate law.  She is a member of the State Bars of Arizona, California, and Nevada. Ms. Haller serves on the boards of directors of the Legal Aid Center of Southern Nevada, Las Vegas Global Economic Alliance, and the American Gas Association. 

Jane Lewis-Raymond has served the natural gas industry as an attorney and executive for nearly three decades. She is principal of Hilltop Strategies, a strategy and consulting firm engaged with corporate legal leaders on strategic leadership. Ms. Lewis-Raymond was an attorney with Parker Poe Adams and Bernstein LLP from 2017 to 2019. In 2016, she retired from Piedmont Natural Gas Company, Inc., where she was a senior officer and member of the Executive Management Team since 2006. Earlier in her career, she was with the American Gas Association, as Vice President of Regulatory Affairs. Ms. Lewis-Raymond previously served as Chair of Teach For America's Charlotte-Piedmont Triad Advisory Board and served on the National Advisory Council for Teach For America. She serves on the board of directors for MeckEd, the Steering Committee for The Keystone Energy Board, and is a member of Women Executives, Charlotte.

Henry P. Linginfelter is the retired Executive Vice President of Southern Company Gas, the largest gas utility in the U.S.  He was responsible for all operations, safety, construction, customer service, engineering, environmental, gas supply and control, budgeting and planning, and financial planning, among others.  He served on the board of the Southern Company’s captive insurance business, which assessed and mitigated risk and liability issues across the corporation.  He has broad executive and operating experience, as well as extensive experience in regulatory and legislative affairs.  Mr. Linginfelter is the former Chair of the Southern Gas Association, and served on the American Gas Association Leadership Council for several years.  He serves on several not-for-profit boards, and is former Chair of the Georgia Chamber of Commerce.  

Anne L. Mariucci is a retired executive with over 30 years of experience in finance, construction and real estate. Prior to 2003, Ms. Mariucci held a number of senior executive management roles with Del Webb Corporation and was responsible for its large-scale community development and homebuilding business. She also served as President of Del Webb following its merger with Pulte Homes, Inc. in 2001 until 2003. Since 2003, she has been affiliated with the private equity firm Hawkeye Partners (Austin, Texas). She serves as a director of CoreCivic, Inc., Taylor Morrison Home Corporation, Berry Corporation, and several non-profit boards. Ms. Mariucci is a past chairman of the Arizona Board of Regents and served on the board from 2006 to 2014. She is a past director of the Arizona State Retirement System, HonorHealth and Action Performance Companies, as well as a past trustee of the Urban Land Institute. 

Carlos A. Ruisanchez is the Chief Executive Officer of Sorelle Capital and President of Sorelle Hospitality, family office firms focused in investing and developing hospitality, consumer and real estate businesses. Prior to Sorelle, he served as President and Chief Financial Officer of Pinnacle Entertainment, Inc., a leading gaming entertainment company, until its sale in 2018.  He joined Pinnacle in 2008 as Executive Vice President, Strategic Planning and Development.  He became Pinnacle’s Chief Financial Officer in 2011, President and Chief Financial Officer in 2013, and board member in 2016. Prior to joining Pinnacle Entertainment, Inc., Mr. Ruisanchez was Senior Managing Director at Bear Stearns & Co., Inc., an investment banking firm, where he held various positions from 1997 to 2008.  He is an independent board member of Cedar Fair Entertainment Company.

Ruby Sharma is a Fellow Chartered Accountant of the Institute of Chartered Accountants in England and Wales. She was the Managing Partner of RNB Strategic Advisors, a strategic advisory firm from 2018 until 2022. Ms. Sharma served as a Partner at Ernst & Young LLP (now known as EY) from 2002 until 2017, where she founded and led the Center for Board Matters, focused on global strategy and execution and providing governance services to boards and the C-suite, and worked in Fraud Investigations and Dispute Services. Her prior experience includes serving as Senior Manager of Forensic and Litigation Services at Arthur Andersen LLP from 1999 to 2002. She is a multi-cultural, global business advisor and a frequent keynote speaker and panelist on corporate governance topics, and has authored several audit committee handbooks, white papers on governance, value protection and diversity and inclusion topics. Ms. Sharma is a member of the boards of directors of Sound Thinking, Inc., Nautilus, Inc.,  ATI, Inc., and S&C Electric Company.

Andrew J. Teno is a portfolio manager at Icahn Capital, a diversified holding company engaged in various businesses, including investment, energy, automotive, food packaging and others.  Prior to joining Icahn Capital in 2020, Mr. Teno worked for Fir Tree Partners from 2011 to 2020, a NY based private investment firm that invests worldwide in public and private companies, real estate and sovereign debt. He is currently a director of FirstEnergy Corp., and Illumina, Inc. Mr. Teno has broad business and investment experience, has experience as a public company director, including as an Audit Committee member, and has familiarity with the utilities and infrastructure services industries, as well as other national and international business matters. 

A. Randall Thoman is principal of Thoman International, LLC, a business advisory and consulting firm. He has been a Certified Public Accountant for more than 40 years. He began his career with Deloitte & Touche LLP and became a Partner in June 1991. For 15 years, Mr. Thoman had primary responsibility for the technical interpretation and application of accounting principles and audit standards and the review of all reporting issues and financial statements for Nevada-based companies registered with the SEC. He retired from Deloitte in October 2009. Mr. Thoman serves on the board of Boyd Gaming Corporation and previously served on the board of SHFL Entertainment, Inc. until its acquisition in 2013.

Leslie T. Thornton is a retired utility company executive and former law firm partner at two Washington D.C. based national law firms. In the Clinton administration, she served in various senior roles including Chief of Staff to the U.S. Secretary of Education and Deputy Advisor for the 1996 Presidential Debates. She started with WGL Holdings, Inc. in 2011 and served in elevated roles including Senior Vice President, General Counsel & Corporate Secretary, and Merger Transition Counsel, before retiring in 2018. During her WGL tenure, Ms. Thornton earned her Master of Laws degree in National Security Law with a cybersecurity focus. Since 2005, she has been a member of the board of directors of Perdoceo Education Corporation. Ms. Thornton also serves on the boards of trustees for the University of the District of Columbia David A. Clarke School of Law and the D.C. Public Defender, and is on the advisory boards of the Association of Corporate Counsel Leadership Academy and Aiden Technologies, Inc. Ms. Thornton was a Board Leadership Fellow for the National Association of Corporate Directors. She is a frequent speaker on governance, compliance, cybersecurity and data protection, and diversity and inclusion.