Sumanta Guha obtained a Ph.D. in mathematics from the Indian Statistical Institute, Kolkata, in 1987. From 1984 to 1987 he taught mathematics at Jadavpur University in Kolkata. He left in 1987 to study computer science at the University of Michigan in Ann Arbor, where he obtained a Ph.D. in 1991. On graduating from Michigan he joined the Electrical Engineering and Computer Science faculty of the University of Wisconsin Milwaukee where he taught from 1991 to 2002. In 2002 he moved to the Computer Science and Information Management program of the Asian Institute of Technology in Thailand, where he is currently an adjunct professor. His research interests include computational geometry, computer graphics, computational topology, robotics and data mining.