Hyunjoon Park is Korea Foundation Professor of Sociology and Director of the James Joo-Jin Kim Center for Korean Studies at the University of Pennsylvania. Park is interested in family and social stratification in cross-national comparative perspective, focusing on South Korea and other East Asian societies. In recent years, he has studied changes in marriage, divorce, and living arrangements as well as consequences of demographic and economic trends for education, well-being, and socioeconomic outcomes of children, adolescents, and young adults in Korea. In another line of research, he analyzes household register data for individuals and households in Korea during the 18th and 19th centuries.