Beau Kilmer is a senior policy researcher at the RAND Corporation, where he codirects the RAND Drug Policy Research Center. He is also a professor at the Pardee RAND Graduate School. His research lies at the intersection of public health and public safety, with a special emphasis on substance use, illicit markets, crime, and public policy. Some of his current projects include estimating the size of illegal drug markets, assessing the consequences of alternative marijuana policies, measuring the effect of South Dakota’s 24/7 Sobriety Program on drunk driving and domestic violence outcomes, and evaluating other innovative programs intended to reduce violence. Kilmer’s research has appeared in leading journals such as Addiction, American Journal of Public Health, Journal of Quantitative Criminology, Proceedings of the National Academy of Sciences, and his essays have been published by the BBC, Los Angeles Times, New York Times, Wall Street Journal, and USA Today. His book on marijuana legalization (co-authored with Jonathan Caulkins, Angela Hawken, and Mark Kleiman) was published by Oxford University Press in 2012. He is regularly interviewed and quoted in national and international media outlets including Al Jazeera, All Things Considered, The Atlantic, BBC, CNN, Marketplace, NBC Nightly News, New York Times, and Rolling Stone. Before earning his doctorate at Harvard University, Kilmer received a Judicial Administration Fellowship that supported his work with the San Francisco Drug Court.