Academic Activities (some recent ones)
1999.1-2000.12 Treasurer-Secretary General, International Circle of Korean Linguistics
2003.1-2004.12 Editor-in-Chief, Korean Journal of Cognitive Science (Published by The Korean Society for Cognitive Science)
2009.1-2011.12 Coeditor-in-Chief, Language and Linguistics (Published by Language Research Institute of Hankuk University of Foreign Studies)
2009.1-2010.12 Vice President, The Korean Society for Cognitive Science
2008.1-2018.12 Vice President, The Linguistic Society of Korea
2009.1-2010.12 President, The Korean Generative Grammar Circle
2019.1-2020.12 President, The Linguistic Society of Korea