After majoring in economics at Seoul National University, Park Sang-in earned his doctorate in economics from Yale University. Beginning in the fall of 1996, he served as assistant professor in the Department of Economics at Stony Brook University, State University of New York. He joined the faculty of Seoul National University in 2003, where he currently serves as a professor at the Graduate School of Public Administration and the director of the Center for Market and Government Research. Park’s major publications include Unsustainable Korea (2022), Republic of Chaebols (2022), Israel’s 2013 Anti-Concentration Law (2021), Why Chaebol Reform, and Why Now? (2017), How Korea Can Survive Even If Samsung Electronics Collapses (2016), and The Naked Chaebol (2012). He has also co-authored several books, including The Korean Economy as Seen by Eight SNU Economists (2017), Broadcasting and Telecommunications Policy and Issues (2011), Korean Peninsula Economic Community: Vision and Strategy (2009), Studies on Corporate Governance in Korea (2008), and Strategies and Policies in Digital Convergence (2004). Park has published numerous academic papers in both domestic and international journals, including the Review of Economics and Statistics and the Journal of Econometrics.​