Christopher Sims is Harold H. Helm ‘20 Professor of Economics and Banking at Princeton University. He is a member of the US National Academy of Sciences and has served as president of the Econometric Society. He has been a visiting scholar at several US Federal Reserve banks. His research interests include applied and theoretical econometrics, especially application of Bayesian approaches, and applied and theoretical macroeconomics, particularly monetary and fiscal policy. Recently he has worked on the application of information theory to modeling economic behavior.