Board of Directors

Portrait of Michael J. Melarkey
Michael J. Melarkey – Chairman

Michael J. Melarkey was a partner in the law firm of Avansino, Melarkey, Knobel, Mulligan & McKenzie for more than 35 years until the firm’s merger in 2015 with McDonald, Carano and Wilson, a statewide Nevada law firm (MCW). Following the merger, Mr. Melarkey was named Of Counsel with MCW. Mr. Melarkey is a trustee of the Bretzlaff Foundation, the Robert S. and Dorothy J. Keyser Foundation, the Roxie and Azad Joseph Foundation and the E. L. Wiegand Trust. He is Vice President of Miami Oil Producers, Inc. and from 2015 until 2017 held management positions and ownership interests in the Pioneer Crossing Casino in Fernley, Nevada, the Pioneer Crossing Casino in Dayton, Nevada, and the Pioneer Crossing Casino in Yerington, Nevada. He also serves as a director of numerous mutual funds, including eight registered investment companies advised by Gabelli Funds, LLC, five registered investment companies advised by Keeley-Teton Advisors, LLC, and seven registered investment companies advised by Teton Advisors, Inc. 

Portrait of ROBERT L. BOUGHNER
Robert L. Boughner

Robert L. Boughner is a Senior Partner with Global Market Advisors, an international hospitality and gaming advisory firm. He has more than 30 years of executive management and board-level experience in highly regulated industries, including casino gaming and financial services. He retired from Boyd Gaming Corporation in August 2016, most recently serving as Executive Vice President and Chief Business Development Officer. During various phases of his 40-year career with Boyd, Mr. Boughner’s roles included primary accountability for new market expansion, top line and profit margin growth and optimization of significant administrative and business processes.  He continues as a member of Boyd’s board of directors where he has served since 1996.  Mr. Boughner served as an independent director on boards of subsidiaries of Western Alliance Bancorporation, including Bank of Nevada and Western Alliance Bank. Mr. Boughner is involved in various educational, philanthropic, and civic organizations. 

Portrait of José A. Cárdenas
José A. Cárdenas

José A. Cárdenas has been Senior Vice President and General Counsel for Arizona State University (ASU) since January 2009. From 1982 through 2008, Mr. Cárdenas was a partner in the Phoenix-based law firm of Lewis and Roca. He became the firm’s managing partner in 1999 and chairman in 2003. Mr. Cárdenas has been admitted to practice law in Arizona, California, the Ninth Circuit Court of Appeals, and the United States Supreme Court and is a member of various bar associations, including the Hispanic National Bar Association. Mr. Cárdenas serves on the boards of directors of ASU affiliated and related entities, such as the ASU Foundation, and was a director of Swift Transportation Company until 2017. He is a past chairman of the boards of Greater Phoenix Leadership, Valley of the Sun United Way, the Translational Genomics Research Institute, and O’Connor House, and is a trustee of the Virginia G. Piper Charitable Trust. 

Portrait of Thomas E. Chestnut
Thomas E. Chestnut

Thomas E. Chestnut was the owner, President and Chief Executive Officer of Chestnut Construction Company from 1990 until 2013. After serving in Vietnam with the U.S. Army, he began a career in the construction industry in 1972 with Del Webb Corporation. Leaving Del Webb in 1980 as Manager of Commercial Operations, Mr. Chestnut took a position with The Wray Company, a commercial contractor and wholly owned subsidiary of Weyerhaeuser Company. He remained with Wray until 1990 when he founded Chestnut Construction Company in Tucson, Arizona. Mr. Chestnut is a past president and life director of the Arizona Builders Alliance and a past president of the Arizona Building Chapter of the Associated General Contractors of America. He is a past chair and life trustee of the Carondelet Foundation, a member and past president of the Tucson Conquistadores and a member and past director of the Centurions of St. Mary’s Hospital. Mr. Chestnut was named the 2001 Tucson Small Business Leader of the Year by the Tucson Metropolitan Chamber of Commerce and the 2002 Arizona Small Business Person of the Year by the United States Small Business Administration. 

Portrait of Stephen C. Comer
Stephen C. Comer

Stephen C. Comer is a retired managing partner with Deloitte & Touche. He began his career with Arthur Andersen LLP in Los Angeles and established the Las Vegas office, as its managing partner, in 1985. Leaving Arthur Andersen in 2002, Mr. Comer took a position as partner with Deloitte & Touche LLP and was promoted to managing partner of its Nevada practice in 2004. He retired in 2006. Mr. Comer served as a director of Pinnacle Entertainment, Inc. until its acquisition in 2018. He is a member of the American Institute of Certified Public Accountants and the Nevada Society of Certified Public Accountants and holds a professional CPA license in the State of Nevada. He is also involved in numerous civic, educational and charitable organizations. 

Portrait of John P. Hester
John P. Hester

John P. Hester has been President and Chief Executive Officer since March 2015. He joined Southwest Gas in 1989 and became Director/Regulatory Affairs and Systems Planning in 2002, Vice President/Regulatory Affairs and Systems Planning in 2003, Senior Vice President/Regulatory Affairs and Energy Resources in 2006, Executive Vice President in 2013, and President in 2014. Prior to joining Southwest Gas, he worked at the Illinois Department of Energy and Natural Resources and the Illinois Commerce Commission. Mr. Hester currently serves on the American Gas Association Board of Directors, the Catholic Charities of Southern Nevada Board of Trustees and the College of Southern Nevada Foundation Board of Trustees. 

Portrait of Jane Lewis-Raymond
Jane Lewis-Raymond

Jane Lewis-Raymond has served the natural gas industry as an attorney and executive for nearly three decades. She is principal of Hilltop Strategies LLC, 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 is the Co-chair for the Teach For America Charlotte-Piedmont Triad Advisory Board and serves on the National Advisory Council for Teach For America, the Board of Directors for MeckEd, the Steering Committee for The Keystone Energy Board, and is a member of Women Executives.

Portrait of Anne L. Mariucci
Anne L. Mariucci

Anne L. Mariucci is a retired executive with over 30 years of experience in homebuilding 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 Petroleum, Banner Health, the Arizona State University Foundation, and the Fresh Start Women’s Foundation. 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. 

Portrait of A. Randall Thoman
A. Randall Thoman

A. Randall Thoman is a retired Partner of Deloitte & Touche LLP and has been a Certified Public Accountant for more than 30 years. He began his career with Deloitte 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. 

Portrait of Thomas A. Thomas
Thomas A. Thomas

Thomas A. Thomas is the Managing Partner of Thomas & Mack Co., an investment management and commercial real estate development company with properties and developments in Nevada, California, Arizona, and Utah. After obtaining his law degree, he joined Valley Bank of Nevada and held various executive positions with the bank until its merger with Bank of America in 1992, after which he became managing partner of Thomas & Mack Co. Mr. Thomas is a member of the board of directors of Switch, Inc. He is actively involved in numerous charitable organizations including the Opportunity Village Foundation, the UNLV Foundation Advisory Board, the Las Vegas Rotary Club and the BYU President’s Leadership Council. He was instrumental in establishing the Thomas & Mack Legal Clinic and Moot Court Facility at the UNLV Boyd School of Law. 

Portrait of Leslie T. Thornton
Leslie T. Thornton

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.  She provided legal and strategic counsel on a broad range of issues including critical infrastructure cybersecurity and data protection, litigation, governance, employment and labor matters, among others.  Since 2005, she has been a member of the board of directors of Career Education Corporation. Recently, Ms. Thornton joined the Advisory Board of Encrypted Sensors, a national security technology start-up, and is a Board Leadership Fellow for the National Association of Corporate Directors where she is a frequent speaker on governance, compliance, cybersecurity and data protection, and diversity and inclusion.  Ms. Thornton also serves on the Board of Trustees for the University of the District of Columbia David A. Clarke School of Law, and is on the Advisory Board of the Association of Corporate Counsel Leadership Academy.