N. Gregory Mankiw is the Robert M. Beren Professor of Economics at Harvard University. As a student, he studied economics at Princeton University and the Massachusetts Institute of Technology. As a teacher he has taught macroeconomics, microeconomics, statistics and principles of economics. Professor Mankiw is a prolific writer and a regular participant in academic and policy debates. In addition to his teaching, research and writing, Professor Mankiw has been a research associate of the National Bureau of Economic Research and an advisor to the Federal Reserve Banks of Boston and New York and the Congressional Budget Office. From 2003 to 2005, he served as chairman of the US President's Council of Economic Advisors and was an advisor to presidential candidate Mitt Romney during the 2012 US presidential election.