 For many years, he was the editor of the MIT Press series on Adaptive Computation and Machine Learning.He also held the position of co-editor of the Morgan Claypool Synthesis Series on Artificial Intelligence and Machine Learning.He has organized several conferences and workshops including serving as Technical Program Co-Chair of the National Conference on Artificial Intelligence (AAAI-90), Technical Program Chair of the Neural Information Processing Systems (NIPS-2000) and General Chair of NIPS-2001.