“We are one team, dedicated solely to the success of our Laboratory’s national security mission.”

- Thom Mason, Laboratory Director

Laboratory DirectorThomas Mason

Director, Laboratory StaffFrances Chadwick

ALD, Simulation & Computation

Irene Qualters

Deputy DirectorWeapons

Robert Webster

ALD, Weapons Physics

Charlie Nakhleh

ALD, Weapons ProductionDave Eyler

ALD, Weapons Engineering

James Owen

Actinide OperationsDirector

Frank Gibbs

Deputy DirectorOperations

Kelly Beierschmitt

ALD, ESHQSSMichael Hazen

ALD, Business Management

LeAnne Stribley

ALD, Capital Projects

Kathye Segala

ALD, Facilities & Operations

Bret Simpkins

Deputy DirectorScience, Technology, & Engineering

John Sarrao

ALD, Global Security

Nancy Jo Nicholas

ALD, Chemical,Earth, & Life Sciences

J. Patrick Fitch

ALD, Physical Sciences

Antoinette Taylor