He holds a B.A. from The Johns Hopkins University and an A.M. and Ph.D. from Washington University in St. Louis. Prior to arriving at Harvard in 2003, he was an Assistant Professor of Political Science at the University of Washington. In 2006-2007 he was a residential fellow at the Center for Advanced Study in the Behavioral Sciences. Along with Andrew Martin, Quinn developed the widely-used "Martin-Quinn" scores of judicial ideology. He has published over two dozen articles in outlets such as the American Journal of Political Science, the Quarterly Journal of Political Science, Columbia Law Review, Stanford Law Review, Statistical Science, and The American Statistician among others. He is also the co- principal investigator on four major NSF grants and is a three-time winner of the Gosnell Prize for best work in political methodology.