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About PNNL

Leadership Team

PNNL science and technology inspires and enables the world to live prosperously, safely, and securely. Our leaders turn this vision into action, guiding all of PNNL's efforts. They ensure that our multidisciplinary research teams perform safely, securely and sustainably, while advancing science and technology to solve the nation's most pressing problems in energy, the environment and national security.


Steve Ashby Photo
Steven Ashby PNNL Director

Steven Ashby establishes the vision and strategic direction of the Laboratory as it advances the frontiers of science and addresses complex challenges in energy, the environment, and national security.

Mike Schlender Photo
Michael Schlender Deputy Laboratory Director for Operations
Chief Operating Officer

Mike oversees institutional priorities, safe and reliable operations, and the infrastructure needed to deliver innovative scientific research. He also fosters successful relationships across the DOE.

Malin Young Photo
Malin Young Deputy Director for Science and Technology

Malin Young integrates and enhances PNNL's science and technology capabilities across all mission areas.

Allison Campbell Photo
Allison Campbell Acting Associate Laboratory Director — Earth and Biological Sciences

Allison Campbell sets the vision and strategy for PNNL's research in support of DOE's Office of Biological and Environmental Research and National Institutes of Health.

Louis Terminello Photo
Louis Terminello Acting Associate Laboratory Director — Physical and Computational Sciences

Louis Terminello establishes strategies to strengthen the U.S. scientific foundation for innovation.

Jud Virden Photo
Jud Virden Associate Laboratory Director — Energy & Environment

Jud Virden leads PNNL's efforts to increase U.S. energy capacity, reduce dependence on imported oil, and reduce the environmental impacts of human activity.

Tony Peurrung Photo
Tony Peurrung Associate Laboratory Director — National Security

Tony Peurrung leads PNNL's efforts to enhance national and global security by enabling discovery, assessment and mitigation of complex threats.

Douglas Ray Photo
Douglas Ray
Director — Strategic Partnerships

Douglas Ray leads creation of partnerships to further PNNL's institutional strategy by accelerating scientific discovery, innovation and impact.

Paula Linnen Photo
Paula Linnen Director of External Relations

Paula Linnen establishes PNNL's strategy for community engagement and leads federal and state legislative affairs, public outreach, and STEM education programs.

Brian Abrahamson Photo
Brian Abrahamson Associate Laboratory Director & CIO — Communications & Information Technology

Brian Abrahamson establishes the strategic plan and stewards the Lab's investments in Information Technology to enable the research mission of PNNL.

Marty Conger Photo
Marty Conger Associate Laboratory Director — Business Systems

Marty Conger oversees finance, accounting and business operations at PNNL.

Larry Maples Photo
Larry Maples Associate Laboratory Director for Operations

Larry Maples provides overall leadership for the capability stewardship and programmatic execution functions within the Operational Systems Directorate.

Cathy Gee Photo
Cathy Gee Director — Human Resources

Cathy oversees functions including recruiting, benefits, compensation, diversity, leadership and staff development and intern programs.

John P. LaFemina Photo
John P. LaFemina Director of Laboratory Planning and Performance Management

John guides the development of the institutional strategies and implementation plans that will distinguish PNNL as a world-class scientific research institution.

Vincent Branton Photo
Vincent Branton Director and General Counsel — Office of General Counsel

Vincent Branton guides the legal team as they support the Laboratory's S&T accomplishments while protecting our intellectual property.

Kevin Ensign Photo
Kevin Ensign Director and Chief Audit Executive — Audit Services

Kevin Ensign leads a team that performs internal investigations of PNNL operations in an effort to reduce risk and protect the integrity of the Laboratory.

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