Leslie Thornton Net Worth
Andrew Henderson
Updated on March 15, 2026
Leslie Thornton biography
Leslie T. Thornton serves as Independent Director of the Company. She began her career in the utility industry as a senior executive in 2011 for WGL Holdings, Inc. ("WGL") and Washington Gas Light Company, a wholly-owned subsidiary of WGL and served in elevated roles until becoming the Senior Vice President, General Counsel and Corporate Secretary in 2014. She assumed the position of Senior Vice President, Merger Transition Counsel following the 2018 acquisition of WGL by AltaGas and will end her employment with WGL onNovember 30, 2018. During her WGL tenure, Ms. Thornton earned her Master of Laws degree in National Security Law with a cybersecurity focus fromGeorgetown UniversityLaw Center and provided legal counsel on a broad range of issues including critical infrastructure cybersecurity and data protection. Before joining WGL, Ms. Thornton was a partner at two national law firms focusing on internal corporate, federal and state attorney general investigations, appellate litigation, and homeland security issues. In the Clinton administration, she served in the U.S. Department of Education and was Chief of Staff to the Secretary of Education. Since 2005, she has been a member of the Board of Directors for Career Education Corporation, where she serves on the Audit Committee and chairs the Compliance and Risk Committee. Previously, she served as Lead Independent Director of Career Education Corporation. Ms. Thornton is a Board Leadership Fellow for the National Association of Corporate Directors. Ms. Thornton serves on the Metropolitan Board of Directors for the Boys and Girls Clubs ofGreater Washington, the Board of Trustees for the University of the District of Columbia David A. Clarke School of Law, and the Board of Governors for the District of Columbia Bar. She is a graduate of the University of Pennsylvania and Georgetown University Law Center.
What is the salary of Leslie Thornton?
As the Independent Director of Southwest Gas Inc, the total compensation of Leslie Thornton at Southwest Gas Inc is $227,217. There are 17 executives at Southwest Gas Inc getting paid more, with John Hester having the highest compensation of $5,870,720.