He also taught at the University of Notre Dame and Bethel College. He is a graduate of Korea University where he received his Bachelor of Arts in English. He received his Master Degree in Korean Culture and Society from Academy of Korean Studies and a Doctor of Philosophy in Sociology from University of Notre Dame. In addition to this extensive teaching experience, he has decades of experience in survey methods, quantitative research, and demographic analysis in both Korea and the United States. He has also written about a variety of Asian and Latino issues using census data and his own survey data. He is now conducting research on Latinos’ consumer behaviors.