Peter Diamond is an Institute Professor Emeritus at MIT, where he taught from 1966 to 2011. He first consulted to Congress about Social Security reform in 1974. He has analyzed pension systems in many countries. His books include Issues in Privatizing Social Security, Report of an Expert Panel of the National Academy of Social Insurance (editor), Saving Social Security: A Balanced Approach (with Peter Orszag), Reforming Pensions: Principles and Policy Choices and Pension Reform: A Short Guide (both with Nicholas Barr). He has been President of the American Economic Association, of the Econometric Society, and of the National Academy of Social Insurance. He was one of the three winners of the 2010 Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel for analysis of markets with search frictions.