The Twenty-Fifth AAAI Conference on Artificial Intelligence (AAAI-11) and the Twenty-Third Conference on Innovative Applications of Artificial Intelligence (IAAI-11) will be held in San Francisco, California at the Hyatt Regency, August 7-11, 2011. AAAI will consist of a main technical track and four special technical tracks, AI and the Web, Computational Sustainability and AI (new!), Integrated Intelligence, and Physically Grounded AI, as well as Nectar Papers, highlighting significant AI results presented at our sister conferences in the past two years. The second iteration of the AAAI Symposium on Educational Advances on AI will be collocated with AAAI (see below for details). The AAAI-11 program will also include 16 half-day tutorials, 15 workshops, the AAAI Robotics Program, AAAI Poker Competition, and the Video Competition, Student Abstract Posters, the AAAI/SIGART Doctoral Consortium, and more! AAAI-11 sponsors to date include Google, Microsoft, Yahoo!, the Institute for Sustainability, USC Information Sciences Institute, and IBM.