Operations & Supply Chain Management

Malek Ben Sliman is an Adjunct Associate Professor of Business at Columbia Business School in the Marketing Department. Malek’s research interests lie in the application of machine learning, computer vision and NLP tools in the context of art valuation, social networks, marketing analytics and online retailing. As a practitioner, he had previously worked at Sotheby’s where he built models to track the evolution of artists’ prestige over time and to automatically predict the price of art during auctions.

Omar Besbes's primary research interests are in the area of data-driven decision-making with a focus on applications in e-commerce, pricing and revenue management, online advertising, operations management and general service systems. His research has been recognized by multiple prizes, including the 2019 Frederick W. Lanchester Prize, the 2017 M&SOM society Young Scholar Prize, the 2013 M&SOM best paper award and the 2012 INFORMS Revenue Management and Pricing Section prize. He serves on the editorial boards of Management Science and Operations Research.

Professor Chan teaches the MBA core Operations Management course and the MBA electives, The US Healthcare System: Structures and Strategies; Healthcare Management, Design, and Strategy; and The Analytics Advantage. Her research is in the area of healthcare operations management. Her primary focus is in data-driven modeling of healthcare systems. Her research combines empirical and mathematical modeling to develop evidence-based approaches to improve patient flow.

Professor Alex F. Mills is an expert in operations management and business analytics. His research focuses on the service sector, with a particular emphasis on healthcare. He has published in Management Science, Manufacturing & Service Operations Management, and other top business journals. Professor Mills is a member of the full-time faculty at Baruch College, and a member of the doctoral faculty at the Graduate Center, both in the City University of New York. He earned his PhD in Statistics and Operations Research from the University of North Carolina.

Hongyao Ma is an Assistant Professor of Business in the Decision, Risk, and Operations division at Columbia Business School. Her research is situated at the interface of computer science, economics and operations, with a particular focus on market design. Hongyao completed her Ph.D. in Computer Science at Harvard University in 2019, and worked as a postdoctoral researcher at Uber and then Caltech during 2019-2020. She obtained her M.S. in 2014 at Harvard, and B.E. in 2012 at Xi'an Jiaotong University, both in Electrical Engineering.

Hannah Li is an Assistant Professor in the Decision, Risk, and Operations division at Columbia Business School. Her research focuses on developing data science methods for social systems--marketplaces, education systems, and online platforms. Her research combines techniques from operations research, statistics, and economics to develop theoretical insights for practically motivated problems. She informs her work with industry experience, working for and collaborating with large online platforms.

Costis Maglaras is the 16th Dean of Columbia Business School, and the David and Lyn Silfen Professor of Business at Columbia University. Costis received his BS in Electrical Engineering from Imperial College, London, in 1990, and his MS and PhD in Electrical Engineering from Stanford University in 1991 and 1998, respectively. He joined Columbia Business School in 1998, when he joined the Decision, Risk and Operations Division.

Daniel Guetta is Associate Professor of Professional Practice at Columbia Business School. His research focuses on the ways companies can harness the power of data and analytics to drive value. He teaches classes in business analytics, including data science, pricing, supply chain management, and technical tools such as python and cloud computing. He has authored award-winning case studies in the area with a number of companies, and co-authored "Python for MBAs".

Will Ma is the Roderick H. Cushman Associate Professor of Business at the Graduate School of Business, Columbia University. His research centers around online algorithms in e-commerce systems, both for supply-side problems like inventory and fulfillment, and revenue management problems like dynamic assortment optimization. He specializes in designing simple online algorithms with performance guarantees, that can be tuned to historical data. Will also has miscellaneous experience as a professional poker player, video-game startup founder, and karaoke bar pianist.

Santiago R. Balseiro is an Associate Professor of Business at the Graduate School of Business, Columbia University. He is the Research Director of the Deming Center and a part-time research scientist at Google Research. He teaches the core MBA classes Business Analytics and Operations Management, and the core Ph.D. class Foundations of Optimization.

Professor Kolesar studies quality management and statistical quality control as well as applications of operations research and statistics, particularly in relation to the management of production and service systems. His recent research includes building models for the analysis and design of service systems with random cyclic customer demand patterns, accelerating the implementation and effectiveness of total quality management systems and optimizing credit-screening procedures.