Marshall Reinsdorf is a researcher in the National Accounts Research Group at the US Bureau of Economic Analysis. After receiving his Ph.D. in Economics from the University of Maryland, Dr. Reinsdorf spent eleven years as a researcher at the U.S. Bureau of Labor Statistics where he did path-breaking work on sources of bias in the Consumer Price Index and links between consumer search behavior and price dispersion. He also did financial research for the Federal Deposit Insurance Corporation where he developed a model for predicting bank failures and non-parametric estimates of the non-linear relation between bank capital ratios and failure probabilities. For the past 12 years he has done research on a wide variety of measurement problems in national accounts and helped to guide several improvements in the national accounts of the United States. Among his current research interest are: actuarial measures of defined benefit pensions, measurement of financial services in national accounts, measurement and analysis of terms of trade effects, international comparisons, and measurement of productivity change. He has been a long time, very active member of the Conference of Research on Income and Wealth (CRIW) of the National Bureau of Economic Research (NBER), helping to organize, presenting papers at or serving as a chair or discussant in numerous sessions over the years. He currently serves as a member of the editorial board of the Review of Income and Wealth and has organized sessions on a variety of topics at past and for the upcoming IARIW General Conferences. He has extensively published on economic measurement topics in academic books and journals, including the American Economic Review, the Review of Economics and Statistics, the International Economic Review, and the Journal of Business and Economic Statistics.