2020/03/01~2022/02/28, Catholic University of Daegu Francisco College, Research Professor
2022/05/01~2022/12/31, Kyungpook National University The Institute for Social Science Research, Researcher
2022/03/01~present, Kangwon National University Department of Media & Communication, Lecturer
2022/06/23~present, Korean Association for Communication and Information Studies, Director of Research
2020/08 ~ California State University, Los Angeles, Assistant Professor of Entrepreneurship
2023/06 ~ 2023/07 Seoul National University, Guest Faculty
2023/03 ~ 2024/03 Rowan University, Visiting Scholar
2023/03 ~ 2026/03 Emlyon Business School, Affiliated Professor
2025 ~ Syracuse University, Instructor
2022 ~ 2023 Syracuse University, Teaching Assistant
2021 ~ Lecturer at Hankuk University of Foreign Studies
2010 ~ 2020 Department of Political Science, City College of New York, Instructor & Adjunct Assistant Professor
2018 Department of Political Science, Brooklyn College, CUNY, Instructor
2024 ~ Associate Professor at Hankuk University of Foreign Studies
2013 ~ 2024 Woosong University, Assistant Professor
2023 ~ Assistant Professor at Hankuk University of Foreign Studies
2020 ~ 2023 University of South Florida, Assistant Teacher Professor
2019 ~ 2020 University of Maryland, College Park, Lecturer
2012 ~ 2014 순천향대학교, Full-Time English Professor
2008 ~ Associate Professor at Hankuk University of Foreign Studies
2006 ~ 2008 Hongik University, Assistant Professor
2003 ~ 2006 Kansai Gaidai University, Assistant Professor
2015 ~ Associate Professor at Hankuk University of Foreign Studies
2011 ~ 2013 Hankuk University of Foreign Studies, Full-time Lecturer/Assistant Professor
2020 ~St. Norbert College, Professor Emeritus
1995 ~ 2019 St. Norbert College, Professor
1985 ~ 1995 St. Norbert College, Associate Professor