Will Ma is a Roderick H. Cushman Associate Professor of Decision, Risk, and Operations at Columbia Business School. His research centers around e-commerce, covering supply-side problems like inventory and fulfillment, as well as demand-side opportunities like personalized product assortments. He specializes in designing algorithms that make these decisions in real-time, from data, often prioritizing simplicity and robustness. Will also has miscellaneous experience as a professional poker player, video-game startup founder, and karaoke bar pianist.