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Leadership and Governance

Los Alamos National Laboratory's Leadership

The Leadership Team is fully committed to enabling the Laboratory’s mission while supporting its people, further enhancing the culture, and meeting the goals outlined in the Lab Agenda.

Our leaders are committed to scientific and technological excellence, driving a culture of operational excellence, and enabling high quality and integrity for the Laboratory's national security missions.

Lab Leaders Landscape 6 16 25

Laboratory Director's Office

 0000 Card   Thom Mason

Thomas Mason

Laboratory Director

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 0016 Card   Frances Chadwick

Frances Chadwick

Staff Director

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 0004 Card   Patrick Fitch

J. Patrick Fitch

Deputy Director Science, Technology & Engineering

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 0002 Card   Robert Webster

Robert Webster

Deputy Laboratory Director Weapons

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Markdavis Card

Mark Davis

Deputy Laboratory Director Operations

Associate Laboratory Directors

Scott Aeilts Thumb

Scott Aeilts

Associate Laboratory Director, Business Management

Srinivas Iyer Lanl Headshot 540x459

Srinivas Iyer

Associate Laboratory Director, Chemical, Earth & Life Sciences

Card   Unica Viramontes

Unica Viramontes

Associate Laboratory Director, Defense Protection Program

Card   Steven Coleman

Steven Coleman

Associate Laboratory Director, Environment, Safety, Health & Quality

Bret Simpkins Thumb

Bret Simpkins

Associate Laboratory Director, Facilities & Operations

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Nancy Jo Nicholas Thumb

Nancy Jo Nicholas

Associate Laboratory Director, Global Security

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Sims Card

Jeffrey Sims

Associate Laboratory Director, Infrastructure and Capital Projects

Ellen Cerreta Thumb

Ellen Cerreta

Associate Laboratory Director, Physical Sciences

 0008 Card   Mark Anthony

Mark Anthony

Associate Laboratory Director, Plutonium Infrastructure

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Chadwick

Mark Chadwick

Associate Laboratory Director, Simulation and Computation

John Hill Card

John A. Hill

Associate Laboratory Director, Weapons Engineering

 0019 Card   Charlie Nakhleh

Charlie Nakhleh

Associate Laboratory Director, Weapons Physics

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David Dooley Dpo 2022 Web

David Dooley

Associate Laboratory Director, Weapons Production

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