David Pennock is a Principal Researcher at Microsoft Research New York City. His research is within artificial intelligence; his largest contributions are novel prediction markets and wagering mechanisms: financial markets harnessed to elicit probabilistic information from a crowd. He has over 70 publications cited 14,000 times and an h-index of 50. He has over twenty patent applications, over twenty press mentions, and has given more than fifty talks including seminars at many of the top CS departments. He co-founded two research areas, three workshops, and an ACM journal, and was a founding member of three corporate basic-research labs. He served as Assistant Managing Director of MSR NYC for six years. He was Chair of ACM SIGecom, Program co-Chair of ACM EC, and is co-Editor-in-Chief of ACM TEAC. He has been a member of AAAI since 1996 and a consistent contributor to AI for the last twenty-two years as an author, reviewer, organizer, inventor, writer, maker, and teacher. In addition to his primary research, he has published work in machine learning, theory, information retrieval, web science, sponsored search, Bayesian networks, constraint satisfaction, and recommender systems. He led the development of several popular online market games and blogged for Yahoo News. In 2005, he was named to MIT Technology Review’s list of 35 “top technology innovators under age 35” having the potential to profoundly impact the world.