His research has spanned unsupervised and supervised machine learning for prediction and problem solving, cognitive modeling, and more recently computational creativity. He served as a Program Director at NSF from 2007 - 2010, and was responsible for areas of AI (to include ML, MAS, KR, Planning) and he was a primary representative on sustainability for CISE. He received a Director's award in 2010 for all these activities. See his experience at NSF summarized at: http://www.cccblog.org/2011/08/24/first-person-life-as-a-nsf-program-director/ . Doug has also worked in the online learning space, and was the founding Director of the Vanderbilt Institute for Digital Learning. He is the founding Faculty Director of Warren (residential) College at Vanderbilt University. Doug is the Director for Outreach, Education, Diversity, and Synthesis (OEDS) of CompSustNet.