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Wednesday, April 29th, 2026

Los Alamos National Laboratory appoints new deputy laboratory director for weapons

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The Los Alamos National Laboratory recently appointed Charles Nakhleh as deputy laboratory director for weapons, effective April 1.

“Throughout his career, Charlie has exemplified the integrity, rigor and sense of purpose that define Los Alamos, and the lab’s leadership team and I firmly believe he is the right person for the job,” Lab Director Thom Mason said. “As we look to the next chapter in weapons, we are deeply grateful for Bob’s years of leadership. His lasting contributions to our national security mission will continue to guide and inspire us for years to come.”

Nakhleh joined the lab in 1996 and has held several leadership roles. Most recently, he served as the associate laboratory director for weapons physics. He previously was a member of the Applied Physics Division. Nakhleh spent six years at Sandia National Laboratories.

In his new role, Nakhleh will be tasked with guiding the strategic alignment of National Nuclear Security Administration Weapons Programs to meet national objectives, and ensure rigorous design, simulation, manufacturing and certification processes. He also will lead all line organizations and programmatic scope associated with the programs.

Nakhleh succeeds Robert Webster who will retire after more than 40 years of service on Tuesday.