Andrew D. Martin is Professor of Political Science and Professor of Law at Washington University in St. Louis. He is the Chair of the Political Science Department in Arts & Sciences, and serves as the founding Director of the Center for Empirical Research in the Law in the School of Law. Professor Martin is a Resident Fellow of the Center in Political Economy, and is a core faculty member of the Center for Applied Statistics.

Professor Martin specializes in political methodology, Bayesian statistics, and American political institutions. Much of his substantive research focuses on law and courts, particularly the Supreme Court and the lower federal courts. His research has been supported by the National Science Foundation. He has written in a number of prominent law reviews and leading social science and applied statistics journals. Professor Martin is an Associate Editor of the journal Political Analysis. He is the co-author of the Scythe Statistical Library, an open source C++ library for statistical computation, and MCMCpack, an open source R package for performing Bayesian inference using Markov chain Monte Carlo methods. He teaches courses on social science and statistics for lawyers in the law school, in addition to graduate and undergraduate courses in political methodology.