He received Bachelor and Masters degrees from Technion - Israel Institute of Technology, and a PhD from Carnegie Mellon University . The focus of his work at Carnegie Mellon University was the application of Riemannian geometry to machine learning and analyzing ranked data. After earning his Ph.D. degree, Guy completed a brief Post-Doctorate with his PhD advisor, John Lafferty. Dr. Lebanon's main research interest is machine learning as applied to large data sets. His work has so far applied mostly to text documents such as web pages and email documents. Dr. Lebanon is interested in pursuing other applications of his work to such areas as image analysis and bioinformatics.