Emmanuel Saez is Professor of Economics and Director of the Center for Equitable Growth at the University of California Berkeley. His research focuses on tax policy and inequality both from theoretical and empirical perspectives. Jointly with Thomas Piketty, he has constructed long-run historical series of income inequality in the United States that have been widely discussed in the public debate. He received his PhD in Economics from MIT in 1999. He was awarded the John Bates Clark medal of the American Economic Association in 2009 and a MacArthur Fellowship in 2010.