Faculty

Santiago Balseiro is an Associate Professor in the Decision, Risk, and Operations division at the Graduate School of Business, Columbia University. He teaches the core MBA class Business Analytics and the core Ph.D. class Foundations of Optimization.

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 Broadie currently teaches the elective courses Security Pricing: Models and Computation, Computational Finance, and Programming for Business Research. He is an Academic Advisory Board Member for the Program for Financial Studies. His research interests include the pricing of derivative securities, risk management and, more generally, quantitative methods for decision-making under uncertainty.

Professor Chan is an expert in healthcare operations management. Her primary research interests are in data analytics and mathematical modeling of service systems with a focus on applications in healthcare systems. Her research combines empirical and stochastic modeling to develop evidence-based approaches to improve patient flow in healthcare delivery systems. She has worked with clinicians and administrators in numerous hospital systems including Northern California Kaiser Permanente, New York Presbyterian, and Montefiore Medical Center.

Jing Dong is an Associate Professor in the Decision, Risk, and Operations division at the Graduate School of Business, Columbia University. Her primary research interests are in applied probability and stochastic simulation, with an emphasis on applications in service operations management. Her current research focuses on developing data-driven stochastic modeling to improve patient flow in hospitals.

Awi Federgruen is the Charles E. Exley Professor of Management and Chair of the Decision, Risk, and Operations (DRO) Division of Columbia University's Graduate School of Business, where he served as Senior Vice Dean from 1997-2002. Professor Federgruen also served for many years as the Chair of the DRO Division, most recently from 2004-2010.

Professor Fraiman joined the faculty after a 17-year career at International Paper Company, where his most recent position was chief technology officer for eight manufacturing divisions. Prior to this he developed and managed a group responsible for productivity improvement and process innovation, and still earlier he directed company-wide educational activities. Fraiman teaches operations and technology management. His research explores institutionalizing quality improvement. He specializes in the retailing, consulting and process industries.

Biography 

Professor Glasserman's research and teaching address risk management, quant finance, Monte Carlo simulation, statistics and operations. Prior to joining Columbia, Paul was with Bell Laboratories; he has also held visiting positions at Princeton University, NYU, and the Federal Reserve Bank of New York. In 2011-2012, he was on leave from Columbia and working at the Office of Financial Research in the U.S. Treasury Department, where he continues to serve as a part-time consultant.

Linda Green is the Cain Brothers and Company Professor Emerita of Healthcare Management at Columbia Business School. She is also the Faculty Director of the Healthcare and Pharmaceutical Management Program at the business school.

Daniel Guetta is Associate Professor of Professional Practice at Columbia Business School and Director of the Business School's Center for Pricing and Revenue Management. He is also Director of the Business Analytics Initiative at the Columbia Business School and Columbia Engineering. 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.

Yash Kanoria is an Associate Professor of Business in the Decision, Risk and Operations division at Columbia Business School, specializing in marketplace analytics and design, and supply chain optimization. Previously, he obtained a BTech in Electrical Engineering from IIT Bombay in 2007, a PhD from Stanford in 2012, and spent a year at Microsoft Research New England during 2012-13 as a Schramm postdoctoral fellow.

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.

Will Ma is an Assistant Professor of Decision, Risk, and Operations at Columbia Business School. His research interests include the analysis of online algorithms, data-driven modeling, and optimization theory, applied to revenue and supply chain management. His research is partially funded by Amazon. Previously, he had been a postdoctoral researcher at Google, and received his Ph.D. from the MIT Operations Research Center. Will has also had experience as a video game start-up founder and a professional poker player, designing the poker class that is taught annually at MIT.

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.

Ciamac C. Moallemi is the William Von Mueffling Professor of Business in the Decision, Risk, and Operations Division of the Graduate School of Business at Columbia University, where he has been since 2007. He also develops quantitative trading strategies at Bourbaki LLC, a quantitative investment advisor. A high school dropout, he received S.B. degrees in Electrical Engineering & Computer Science and in Mathematics from the Massachusetts Institute of Technology (1996).

Hongseok Namkoong is an Assistant Professor in the Decision, Risk, and Operations division at Columbia Business School and a member of the Columbia Data Science Institute. His research interests lie at the interface of machine learning, operations research, and causal inference, with a particular emphasis on developing reliable learning methods for decision-making problems.

Professor Medini Singh joined Columbia Business School in 2001 as a member of the Decision, Risk, and Operations Division.   He teaches a variety of courses in Columbia’s MBA and Executive MBA programs, including the core course in Operations Management and electives in Supply Chain Management, Operations Strategy, and Service Operations Management.

Dr. Martin K. Starr is Emeritus Senior Professor of Management Science and Operations Management at the Graduate School of Business at Columbia University in New York City since 1995.

He is also Distinguished Professor of Production and Operations Management Emeritus at the Crummer Graduate School of Business, Rollins College in Winter Park, Florida since 2006.

Garrett van Ryzin is the Paul M. Montrone Professor Emeritus of Decision, Risk, and Operations at the Columbia University Graduate School of Business. In 2015, he joined Uber Technologies as Head of Marketplace Optimization Advanced Development. In 2017, he became Professor of Operations, Information and Technology Management at Cornell Tech.

Assaf Zeevi is Professor and holder of the Kravis chair at the Graduate School of Business, Columbia University. His research and teaching interests lie at the intersection of Operations Research, Statistics, and Machine Learning. In particular, he has been developing theory and algorithms for reinforcement learning, Bandit problems, stochastic optimization,  statistical learning and stochastic networks. Application domains include online retail platforms, healthcare analytics, dynamic pricing engines, recommender systems, and social learning in online marketplaces. 

Professor Zheng teaches the MBA core class Operations Management and the PhD class Introduction to Econometrics and Statistical Inference.  Her research focuses on industrial organization, applied econometrics, and the interface between economics and operations management.

Raymond G. Falci is a Venture Partner at Telegraph Hill Partners and serves on several healthcare boards including VNS Health. Prior to joining THP in 2022. Ray was a Managing Director at Cain Brothers from 2006 to 2016 and a senior advisor to the firm 2016-2018, having served on the Executive Committee and co-headed the firm’s Services & Technology Corporate Finance practice. Ray’s banking focus included Healthcare IT and Revenue Cycle Management as well as healthcare distribution, specialty pharmacy and PBMs.

Mattan is an award-winning faculty member at Columbia Business School, co-author of Python for MBAs, and two-time Y Combinator-backed entrepreneur. He is the Co-founder & President of Ophelia, which offers online treatment for opioid addiction. Mattan is also an Innovation Fellow at the Lang Center for Entrepreneurship and was selected as one of Forbes' 30 Under 30 in Education.

Hardeep Johar received an M.A. in Economics from the Birla Institute of Technology and Science and is a Fellow of the Indian Institute of Management Calcutta. He received a Ph.D. in Information Systems from the Stern School of Business, New York University in 1994. Prior to joining Columbia, Johar has worked as a quantitative trader at Morgan Stanley, Credit Suisse and Deutsche Bank, at a tech startup (MSpoke), and has taught at NYU Stern School of Business and the Gabelli School of Business Fordham University.

David Juran teaches Applied Regression Analysis. He is a winner of the Robert W. Lear Service Award, the Margaret Chandler Memorial Award for Commitment to Excellence, the Dean's Award for Teaching Excellence in a Core Course, and the Singhvi Prize for Scholarship in the Classroom. His research on the modeling of human factors in productive systems and the management of quality has appeared in Management Science, Journal of Operations Management, and other journals.

Kriste Krstovski is an adjunct assistant professor at the Columbia Business School and an associate research scientist at the Data Science Institute. Previously he was a postdoctoral research scientist working with David Blei at Columbia University and John Lafferty at Yale University.

Jared P. Lander is the Chief Data Scientist of Lander Analytics, a data science and artificial intelligence consulting and training firm based in New York City; the organizer of the New York Open Statistical Programming Meetup, and the R Conferences in New York, Washington DC and Dublin); author of R for Everyone. With an M.A.

Brett Martin is cofounder of Kumospace, the virtual headquarters for remote teams, and Charge Ventures, a pre/seed VC based in Brooklyn, NY. He also serves as an Adjunct Professor at Columbia Business School, where he teaches data analytics.

Ezra Mehlman is a General Partner at Health Enterprise Partners L.P, a lower middle market growth equity firm focused on healthcare IT and services. Prior to completing his MBA at Columbia Business School and joining HEP in 2010, Ezra was a Senior Analyst at the Advisory Board Company (NASDAQ: ABCO), providing best-practice consulting and research services to hospitals and health systems. After leaving the Advisory Board Company, Ezra served as a Senior Consultant in the health care practice of Booz Allen Hamilton focusing on engagements in the provider space.

Professor Marcelo Olivares’ research focuses in empirical work in various areas of Operations Management, including Service Operations Management, Supply Chain Management, Retail and Public Sector Operations. He has research collaborations with big box retail chains in the U.S. and Latin America and several government units in Chile. He teaches MBA and PhD courses at CBS.

Professor Picoult teaches the Risk Management course, which is currently offered in a joint Master of Science degree program of the DRO department of the Business School and the IEOR department of the School of Engineering and Science.  In 2018 Picoult retired as managing director of Citi, where he had worked for 38 years.  He had been the head of Citi’s Economic Capital and Stress Testing Methodology unit and served on a number of firm-wide risk governance committees.           

Angela Quintero is the Managing Director in the W. Edwards Deming Center for Quality, Productivity, and Competitiveness. The center promotes operational excellence in business through the development of research, best practices, and strategic planning by sponsoring applied research, focused education and professional development initiatives, disseminating best practices, and fostering partnerships with companies in the area of operational excellence.

Professor Stuart teaches Managerial Negotiations and Game-theoretic Business Strategy. His research focuses on the development of business theory using game-theoretic approaches. It includes the further development of "value-based strategy," which studies businesses as the central players in economic value creation, and “interactive decision theory,” which takes strategic uncertainty as the primary focus of strategic interaction.  Application of the research is principally to the fields of strategy, negotiation, and operations.

Prior to joining HEP 13 years ago, Dave was a Vice President for Susquehanna Growth Equity, a private equity group focused on growth stage technology companies. He was formerly the President and Chief Operating Officer of Onward Healthcare, Inc., a Welsh, Carson, Anderson & Stowe portfolio company. Prior to Onward, Dave was an Executive Vice President of Pinnacor, Inc., a General Atlantic portfolio company, which went public.

Peter Tollman is Senior Partner Emeritus at Boston Consulting Group. He's also Senior Advisor to the firm and, previously, was Managing Director and Senior Partner in the firm's Boston office. He led BCG's CEO Advisory Practice globally, served as global leader of BCG’s Biopharmaceutical Practice, and led its People and Organization Practice in the Americas.  He was also a BCG Fellow, a prestigious thought-leadership post.