Alan Krueger was an American economist and labor market expert who served as the Chairman of the Council of Economic Advisers under President Barack Obama. He was also a Professor of Economics and Public Affairs at Princeton University and a leading expert on labor markets, income inequality, and the minimum wage. Krueger made a number of important contributions to the field of economics, including research on the impact of the minimum wage on employment, the role of education in determining earnings, and the causes of rising income inequality