Decision, Risk, and Operations

Daniel (Dongil) Keum is an Associate Professor of Management at Columbia Business School. His research interests lie in innovation, organizational structure, labor market policy, and their application to public policy formation. He holds a PhD from NYU Stern School of Business and an AB with high honors in economics and mathematics from Dartmouth College. Prior to pursuing a career in academia, Daniel worked at McKinsey & Company for four years. His primary industry experience is in retail, fashion, and corporate portfolio restructuring. 

Michael Ewens is the David L. and Elsie M. Dodd Professor of Finance and co-director of the Private Equity Program.  He is also a Research Associate at the National Bureau of Economic Research (NBER), Associate Editor of the Journal of Financial Economics, Associate Editor at the Review of Financial Studies, Assoicate Editor at Management Science, Associate Editor at the Journal of Corporate Finance, and co-editor of the Journal of Economics & Management Strategy. He received a Ph.D.

Stephen Zagor is a New York City based Consultant and Educator, focusing on restaurants and food businesses. He has developed an extensive knowledge of the culinary industry, specializing in the business side of food enterprises.

As a consultant Steve has provided comprehensive support to a wide variety of clients including entrepreneurs starting restaurants, food retail businesses and food products. His clients have included large public companies, investment funds, government agencies, lawyers, large restaurant groups and small food business owners.

Stephen Zagor is a New York City based Consultant and Educator, focusing on restaurants and food businesses. He has developed an extensive knowledge of the culinary industry, specializing in the business side of food enterprises.

As a consultant Steve has provided comprehensive support to a wide variety of clients including entrepreneurs starting restaurants, food retail businesses and food products. His clients have included large public companies, investment funds, government agencies, lawyers, large restaurant groups and small food business owners.

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".

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".