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Dr. Johney Green Jr. — Associate Laboratory Director for Mechanical and Thermal Systems Engineering


A photo of Johney Green

In his role, Johney Green oversees NREL's transportation, buildings, wind, water, geothermal, and manufacturing research programs.

The Mechanical and Thermal Systems Engineering Directorate R&D advances science and engineering innovation in the areas of energy efficiency, sustainable transportation, and renewable power.

Prior to assuming his current position, Green held a number of leadership roles at Oak Ridge National Laboratory (ORNL), where he served as director of the Energy and Transportation Science Division and group leader for fuels, engines, and emissions research. Green managed a broad science and technology portfolio and user facilities that made significant science and engineering advances in building technologies; sustainable industrial and manufacturing processes; fuels, engines, emissions, and transportation analysis; and vehicle systems integration.

It was during his tenure as a division director that ORNL developed the Additive Manufacturing Integrated Energy (AMIE) demonstration project, a model of innovative vehicle-to-grid integration technologies and next-generation manufacturing processes.

Green has served on numerous advisory boards for organizations including the Georgia Institute of Technology, the University of Tennessee, and the University of Memphis. He is a fellow of SAE International and is active in the National Academy of Engineering. He holds two U.S. patents in combustion science and, as the lead or co-author of more than 40 technical publications.

Green holds a bachelor's degree in mechanical engineering from the University of Memphis and a master's and doctorate in mechanical engineering from the Georgia Institute of Technology.