He received his Ph.D. from the School of Computer Science at Carnegie Mellon University. His interests are in the areas of multi-agent systems, specifically multi-agent teamwork, adjustable autonomy, and distributed negotiations and he has published extensively in these areas. A current member of the board of directors of the International foundation for multiagent systems, he has also served on the board of trustees of RoboCup, the Robot World Cup Federation. He is currently on the editorial board of the Journal of Artificial Intelligence Research (JAIR), Journal of Autonomous Agents and Multi-agent Systems (AAMAS) and IEEE Intelligent Systems. He was also the chair of the organizing committee for the first Americas Agents School and program co-chair of the International conf on multi-agent systems (ICMAS) 2000.