John Sheffield

John Sheffield

John Sheffield PhD is known worldwide because of his involvement in numerous multi-national fusion energy projects for the U.S. and Europe. In the 1970s, he was on the design team for the 16-nation, Joint European Torus project at Culham in England; in the 1990s, he served as a U.S. representative on committees that defined and then gave technical advice to the International Thermonuclear Experimental Reactor (ITER)-China, Europe, India, Japan, Korea, Russia, and the United States. He served on the US-DOE’s Fusion Energy Sciences Advisory Committee for over a decade, chairing it from 1996 to 2000. From 1988 to 1994, he was director of Fusion Energy at the Oak Ridge National Laboratory. From 1995 to 2003, he was director for Energy Technology Programs at ORNL, and from 1997 also director of the Joint Institute for Energy and Environment at the University of Tennessee. There he remains as a Senior Fellow in what is now called the Institute for a Secure and Sustainable Environment.

Affiliations and Expertise