Ph.D. (2007), Department of Computer Science, University of Toronto, Canada. Supervisor: Craig Boutilier. M.Sc. in Computer Science (Information Systems & Robotics and Machine Vision fields), Computer Science Department, University of Crete, Greece, 1999. Interests: Artificial Intelligence; multi-agent systems; reinforcement learning in multi-agent systems; coalition formation Favourites: Scientific | Non-scientific From December 2006 to January 2011, I was working as a Research Fellow at the University of Southampton. I was a member of the IAM Group in the School of Electronics and Computer Science, working with Professor Nick Jennings. Come February 2011, I am taking up an academic position at the Department of Electronic and Computer Engineering, Technical University of Crete, Chania, Greece PhD Thesis: A Bayesian Approach to Multiagent Reinforcement Learning and Coalition Formation under Uncertainty. Publications A. Journal publications Georgios Chalkiadakis and Craig Boutilier: Sequentially Optimal Repeated Coalition Formation under Uncertainty". Journal of Autonomous Agents and Multi-Agent Systems (JAAMAS). Published online first, 5 November 2010. The final publication is available at www.springerlink.com. Georgios Chalkiadakis, Edith Elkind, Evangelos Markakis, Maria Polukarov and Nicholas R. Jennings: "Cooperative Games with Overlapping Coalitions". Journal of Artificial Intelligence Research (JAIR), vol. 39, pages 179-216, September 2010. B. Conference publications Georgios Chalkiadakis, Valentin Robu, Ramachandra Kota, Alex Rogers and Nicholas R. Jennings: "Cooperatives of Distributed Energy Resources for Efficient Virtual Power Plants".In Proc. of the 10th Int. Conf. on Autonomous Agents and Multiagent Systems (AAMAS-2011), Taipei, Taiwan, May 2011 (to appear). Georgios Chalkiadakis, Edith Elkind and Nicholas R. Jennings: "Simple Coalitional Games with Beliefs". In Proc. of the 21st International Joint Conference on Artificial Intelligence (IJCAI-09), Pasadena, California, July 2009. Georgios Chalkiadakis, Edith Elkind, Maria Polukarov and Nicholas R. Jennings: "The price of democracy in coalition formation". In Proc. 8th Int. Conf on Autonomous Agents and Multi-Agent Systems (AAMAS-2009), pages 401-408, Budapest, Hungary, May 2009. Georgios Chalkiadakis, Edith Elkind, Evangelos Markakis and Nicholas R. Jennings: "Overlapping Coalition Formation". In Proc. of the 4th International Workshop on Internet and Network Economics WINE-2008, pages 307-321, Shanghai, China, December 2008. A preliminary version of this paper also appeared in CTN-2008 (the 13th Coalition Theory Network workshop - no published proceedings). An extended abstract/discussion on this work also appeared in ACM SIGecom Exchanges, volume 8, issue 1 (July 2009), under the title "Stability of Overlapping Coalitions" (with E. Elkind, E. Markakis, M. Polukarov and N. R. Jennings). Edith Elkind, Georgios Chalkiadakis and Nicholas R. Jennings: "Coalition Structures in Weighted Voting Games". In Proc. of the 18th European Conference on Artificial Intelligence (ECAI-2008), pages 393-397, Patras, Greece, July 2008. Best Paper Award Finalist. A version of this paper also appeared in COMSOC-2008 (the 2nd International Workshop on Computational Social Choice - no published proceedings).