Johanna Zmud is an adjunct researcher at the RAND Corporation. She recently served as director of the RAND Transportation, Space, and Technology Program. She has more than two decades of experience in survey research design, implementation, and statistical analysis. Prior to joining RAND, Zmud served as founding owner and president of NuStats, a U.S.-based survey science consultancy specializing in complex and large-scale social research studies. She pioneered the application of social science and survey science practices in many areas of transportation research. Currently, she is cochair of the International Steering Committee for Travel Survey Conferences and coeditor of Transport Survey Methods: Keeping Up With a Changing World (Emerald, 2010). She serves on two policy committees of the U.S. National Research Council, Equity Implications of Alternative Transportation Finance Mechanisms and Strategies for Improved Passenger and Freight Travel Data. Zmud earned her Ph.D. from the Annenberg School for Communication at the University of Southern California, where she studied attitude and behavior measurement as well as the acceptance and impact of new technologies.