Yeon-Koo Che is the Kelvin J. Lancaster Professor of Economic Theory at Columbia University, where he has taught since 2005. He is a Fellow of the Econometric Society, a Fellow of the Society of Advancement of Economic Theory, and a Fellow of Game Theory. He was the inaugural recipient in 2008 of the Cho Rakkyo Prize and the KAEA-MK Prize in 2009, and of nine National Science Foundation grants spanning over 20 years. Professor Che published over 60 papers, on topics ranging from market design, auction theory, law and economics, contest theory, matching theory, and data-driven decision making.