Karen S. Haller

President and Chief Executive Officer

Karen Haller is President and Chief Executive Officer of Southwest Gas Holdings, Incorporated (NYSE: SWX). Southwest Gas Holdings is an energy infrastructure holding company that conducts operations in regulated and unregulated businesses by providing natural gas services and building energy infrastructure.

As CEO, Karen leads a dynamic Company whose regulated subsidiaries provide reliable, affordable and sustainable energy for over 2 million natural gas utility customers in portions of Arizona, California and Nevada (Southwest Gas Corporation). Also in this role, Karen oversees the Company’s unregulated strategic infrastructure services company (Centuri), which partners with regulated utilities to build and maintain the energy network that powers millions of homes and businesses across the United States and Canada. 

Karen is responsible for the strategic vision and the overall business operation of Southwest Gas and its subsidiaries, championing business models which provide value through growth and investment, and stewarding Company resources to support the sustainable energy transition. Karen takes pride in leading a diverse Company built on the values of safety, exceeding customers’ expectations, providing opportunity for employees, facilitating constructive relationships with regulators, and delivering returns for stockholders.

With more than 27 years at Southwest Gas, Karen has served in multiple leadership positions throughout her tenure, most recently serving as Executive Vice President and Chief Legal and Administrative Officer. Before joining Southwest Gas, Karen worked as a private practice lawyer.

Karen serves on the Board of Directors of the Legal Aid Center of Southern Nevada, the Las Vegas Global Economic Alliance and the American Gas Association. In 2023, Karen was recognized by Las Vegas Weekly in Vegas Inc’s “C-Suite Honors” for her exemplary leadership and commitment to corporate citizenship and social responsibility. She also served as Nevada Governor Joe Lombardo’s Energy Working Committee Chair. Karen is a member of Arizona, California and Nevada State Bars and past Chair of the American Gas Association Legal Committee.

Karen received a Bachelor of Science in Finance with Honors from the University of Wyoming and her J.D. from Cornell Law School.