Ran Liu is an Assistant Professor in the Department of Educational Policy Studies at the University of Wisconsin–Madison. His research examines cross-national differences in gender inequality in STEM education, with a particular focus on East Asian societies. Broadly, he studies the intersection of race, gender, class, and immigration status in relation to education and labor markets. Ran is interested in survey statistical methods and applying machine learning models to social science research. He received his PhD in sociology from the University of Pennsylvania. Deeply concerned about the underrepresentation of women in STEM fields, he founded Women Kaggle Philly and organized workshops aimed at creating a supportive environment for women interested in data science. Additionally, Ran holds a dual M.A. in statistics from the Wharton School, University of Pennsylvania, and a B.S.Sc. in Sociology from the Chinese University of Hong Kong. Prior to joining UW-Madison, he worked as a research scientist at Facebook.