David Rothschild is a founding member of Microsoft Research's new New York City lab, having joined after a postdoc stint as an economist at Yahoo! Research. He has written extensively, in both the academic and popular press, on polling, prediction markets, and predictions of upcoming events; most of his popular work has focused on predicting elections and an economist take on public policy. Various projects, including Yahoo!’s The Signal, act as online laboratories dedicated to prediction, interest and sentiment models, polling and prediction games. David jumped into politics while working on degrees in civil engineering and history at Brown, spending a summer interning at the White House. He earned his PhD in applied economics at the University of Pennsylvania's Wharton School, studying under Justin Wolfers, who gave a briefing on prediction markets at New Horizons in Science in 2006. Rothschild is also a fellow of the Applied Statistics Center at Columbia. Email: David@ResearchDMR.com. Web: www.ResearchDMR.com.