Jack J. Dongarra (born July 18, 1950) is an American University Distinguished Professor of Computer Science in the Electrical Engineering and Computer Science Department at the University of Tennessee. He holds the position of a Distinguished Research Staff member in the Computer Science and Mathematics Division at Oak Ridge National Laboratory, and is an Adjunct Professor in the Computer Science Department at Rice University. Dongarra holds the Turing Fellowship in the schools of Computer Science and Mathematics at the University of Manchester. He is the founding director of Innovative Computing Laboratory.