Jeremy Busby has been named associate laboratory director for the Fusion and Fission Energy and Science Directorate at the U.S. Department of Energy’s Oak Ridge National Laboratory. His appointment became effective January 1.

Busby will oversee the directorate’s “unique facilities, capabilities and talented scientists and engineers who are tackling such challenges as extending operations of the current U.S. nuclear reactor fleet; investigating economical and flexible advanced reactor systems; and making fusion energy a viable part of the nation’s energy portfolio,” a press release said.

“ORNL has a proud history of addressing compelling challenges in both fusion and fission energy systems, and I’m honored to contribute to our success moving forward,” Busby said. “ORNL’s Fusion and Fission Energy and Science Directorate has the world-leading expertise to advance the development and deployment of both fusion and fission. Combined with the additional strengths across ORNL’s research and support organizations and ORNL’s unique capabilities, we will fortify our nation’s energy transition.”