Yuseon Yun (Author) Yuseon Yun is lecturer in Korean Language, Department of East Asian Studies, Princeton University.Jeeyoung Ahn Ha (Author) Jeeyoung Ahn Ha is director of the Korean language program at the University of Illinois, Urbana-Champaign.Hee Chung Chun (Author) Hee Chung Chun is assistant teaching professor, Korean Language and Culture, Rutgers University.