Ranga Pitchumani, Virginia Tech (IMAGE) Virginia Tech Caption Ranga Pitchumani is the John R. Jones III Professor of Mechanical Engineering at Virginia Tech and the director of the Concentrating Solar Power program of the Department of Energy. Credit Department of Energy Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.