David Sholl: Driving a Decarbonized Energy System Genevieve Martin, ORNL/U.S. Dept. of Energy. David Sholl is director of the new ORNL Transformational Decarbonization Initiative, working to elevate the lab’s prominence in decarbonization science and technology. Genevieve Martin, ORNL/U.S. Dept. of Energy. David Sholl is director of the new ORNL Transformational Decarbonization Initiative, working to elevate the lab’s prominence in decarbonization science and technology. Previous Next Newswise — David Sholl has come to the U.S. Department of Energy’s Oak Ridge National Laboratory with a wealth of scientific expertise and a personal mission: hasten the development and deployment of decarbonization solutions for the nation’s energy system.