Booz Allen Hamilton Holding Corporation announced that it has appointed William McClellan ?Mac? Thornberry to the Board of Directors, effective April 1, 2024. Thornberry represented the 13th district of Texas in the U.S. House of Representatives from January 1995 until January 2021.

He served on the House Armed Services Committee throughout his time in Congress, including four years as chairman (January 2015 to January 2019) and two years as ranking member (January 2019 to January 2021). He also served on the House Intelligence Committee for 14 years. During his Congressional tenure, Thornberry successfully championed a range of reforms to accelerate the delivery of technology to the warfighter and enhance innovation within the Department of Defense.

He also led in creating the Department of Energy?s National Nuclear Security Administration to improve management of the nation?s nuclear weapons complex, establishing the U.S. Department of Homeland Security, preparing the military to defend the nation in new domains of warfare such as space and cyber, and improving oversight of sensitive military and cyber operations. Earlier, he served as deputy assistant Secretary of State for Legislative Affairs under President Ronald Reagan, worked as a staffer on Capitol Hill, and practiced law in Amarillo, Texas. Thornberry brings distinguished expertise in national security, policymaking, and defense technology to Booz Allen.

He is also a dedicated supporter of U.S. servicemen and servicewomen, veterans, and military families. He will serve on the board?s Nominating and Corporate Governance Committee and Compensation, Culture, and People Committee. Thornberry earned a bachelor?s degree in history from Texas Tech University and received his law degree from the University of Texas.

He currently serves as chair of the board of directors of CAE USA and as a member of the board of directors of Fortinet Federal Inc.