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The National Renewable Energy Laboratory is managed for the U.S. Department of Energy's Office of Energy Efficiency and Renewable Energy by the Alliance for Sustainable Energy, LLC, a partnership between Battelle and MRIGlobal.

A photo of Martin Keller.

Martin Keller

Director and Alliance President

Keller is NREL's 9th director and also serves as the president of the Alliance for Sustainable Energy, LLC.


A photo of Peter Green.

Peter Green

Deputy Laboratory Director, Science and Technology

Green is responsible for NREL's science and research goals, strengthening the laboratory's core capabilities, and enhancing NREL's research portfolio.


Photo of Bobi Garrett, Deputy Laboratory Director, Operations

Bobi Garrett

Deputy Laboratory Director and Chief Operating Officer

Garrett integrates laboratory strategy and execution across mission and operations and oversees planning and institutional performance management.


A photo of Julie Baker.

Julie Baker

Associate Lab Director
Facilities and Operations

A photo of Adam Bratis.

Adam Bratis

Associate Lab Director
Bioenergy Science and Technology

A photo of Bill Farris

Bill Farris

Associate Lab Director
Innovation Partnering and Outreach

A photo of Johney Green

Johney Green

Associate Lab Director
Mechanical and Thermal Systems Engineering

A photo of Bryan Hannegan

Bryan Hannegan

Associate Lab Director
Energy Systems Integration

A photo of Robin Newmark.

Robin Newmark

Associate Lab Director
Energy Analysis and Decision Support

A photo of Bill Tumas

Bill Tumas

Associate Lab Director
Materials and Chemical Science and Technology

A photo of Owen Barwell.

Owen Barwell

Chief Financial Officer

A photo of Penny Burton.

Penny Burton

Chief Human Resources Officer

A photo of Steve Silbergleid.

Steve Silbergleid

General Counsel