Lawrence C. Marsh is a professor emeritus in economics at the University of Notre Dame, where he taught statistics and graduate econometrics for 30 years, and served as visiting professor in psychology at Avila University in Kansas City, MO, where he taught statistics and research methods. He also taught applied regression analysis in the MBA program at the University of Chicago’s Booth School of Business in 2010. He served as director of Notre Dame’s PhD program in economics for 13 years and has served on over 80 PhD dissertation committees. He served as statistical design strategist and head of analytics for Internet company Adknowledge. He has published hundreds of articles in professional journals including Journal of Econometrics, Marketing Science, Statistics in Medicine, as well as book chapters and books, including the SAGE book: Spline Regression Models in 2002 (Chinese edition 2018), Brain on Fire in 2010, and Money Flow in a Dynamic Economy in 2020.