Ethan Nadelmann is the founder and executive director of the Drug Policy Alliance. He takes a public health – rather than a criminal justice – approach to the War on Drugs advocating for the application of harm reduction principles. He taught politics and public affairs at Princeton University, where he formed the Princeton Working Group on the Future of Drug Use and Alternatives to Drug Prohibition. Nadelmann earned a BA, JD and PhD in Political Science from Harvard University, and a master’s degree in International Relations from the London School of Economics.