Bachelor of Science in Information and Computer Science vom Georgia Tech, 1984; Master of Science in Computer Science von der U.C. Davis, 1988; Doktortitel in Computer Science vom Georgia Tech, 1998; Semifinalist bei der Astronautenauswahl der NASA-Gruppe 17; derzeit Assistant Professor of computing am Georgia Institute of Technology und Adjunct Research Scientist am CMU's Robotics Institute (2001 - 2003).