Ki-Hyun Kim was at Florida State University for an MS (1984–1986) and at University of South Florida for a PhD (1988–1992). He was a Research Associate at ORNL, the USA (1992–1994). Then, he moved to Korea and joined at Sangji (1995–1998) and Sejong University (1999–2013). He moved to Hanyang University in 2014. His research focuses on environmental analysis, air quality management, and material engineering. He was awarded a National Star Faculty in 2006. He has published more than 600 articles in SCI journals and is serving as an editorial member of a numerous international journals.