As a professor of sociology at Yonsei University, he has published numerous theses and articles in domestic and international journals across sociology of emotions, human rights theory, urban sociology, environmental sociology, political economy, labor, and cultural theories. In particular, he summarized the politics of emotions in the East-Asia context. Recently he published book tiltled 『Emotions and Society: Korean society through the lens of emotions』. For now he conducting urban commons movement experiences from Korea and abroad. To do so, he trying to setup theoretical and practical research on commons movement in the Korean context.