David Laibson is the Robert I. Goldman Professor of Economics and Chairman of the Department of Economics at Harvard University. He leads Harvard Universityʼs Foundations of Human Behavior Initiative. Laibsonʼs research focuses on the topic of behavioral economics, with emphasis on household finance, macroeconomics, aging, and intertemporal choice. Laibson is also a member of the National Bureau of Economic Research, where he co-directs the National Institute of Aging Roybal Center for Behavior Change in Health and Savings, and is a Research Associate in the Aging, Asset Pricing, and Economic Fluctuations Working Groups. Laibson serves on the Board of the Russell Sage Foundation and on Harvardʼs Pension Investment Committee. Laibson serves on the advisory board of the Social Science Genetics Association Consortium and has served on the Academic Research Council of the Consumer Financial Protection Bureau. Laibson is a recipient of a Marshall Scholarship. He is a Fellow of the Econometric Society and the American Academy of Arts and Sciences. He is a recipient of the TIAA-CREF Paul A. Samuelson Award for Outstanding Scholarly Writing on Lifelong Financial Security. Laibson holds degrees from Harvard University (AB in Economics, Summa), the London School of Economic (MSc in Econometrics and Mathematical Economics), and the Massachusetts Institute of Technology (PhD in Economics).     He received his PhD in 1994 and has taught at Harvard since then. In recognition of his teaching, he has been awarded Harvardʼs ΦΒΚ Prize and a Harvard College Professorship.