Yeon-Koo Che is the Kelvin J. Lancaster Professor of Economic Theory at Columbia University.

He received a PhD in Economics at the Stanford University in 1991.  He had taught in University of Wisconsin before joining the Columbia University as Professor of Economics in 2005.   His research focuses on auction theory, mechanism design, and market design, contract theory and law and economics.  He is Fellow of Econometric Society (elected 2009) and Fellow of Economic Theory (elected 2014) for the Society of Advancement of Economic Theory.  He is a member of Asian Regional Council of Econometric Society (elected 2016) and a member of Council of Game Theory Society (elected 2017).  He served as Executive Director of Program for Economic Research (2015-18).  He was editor of Journal of Industrial Economics, associate editor of Econometrica, and is currently serving as advisory editor of Games and Economic Behavior.  He was the inaugural recipient in 2008 of the Cho Rakkyo Prize, awarded to the best Korean economist, and the KAEA-MK Prize in 2009.  He has given several Keynote addresses, including the Jacob Marschak Lecture at the Econometric Society meeting in Sydney (2016), Asian Meeting of Econometric Society (2018), and Latin American Meeting of Econometric Society (2018).  He has been awarded multiple National Science Foundation grants and has served as a member of its panel.