Faculty

Tim Baldenius re-joined Columbia Business School's faculty in 2017. He teaches an elective course on performance measurement as well as Ph.D. seminars on managerial accounting and applied contract theory.

His primary research interests include managerial accounting, performance measurement, and corporate governance.  His work has been published in leading accounting, economics, and finance journals.

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.

Professor Bartel is the Merrill Lynch Professor of Workforce Transformation at Columbia Business School and the Director of Columbia Business School's Workforce Transformation Initiative. She is an expert in the fields of labor economics and human resource management and has published numerous articles on employee training, human capital investments, job mobility, and the impact of technological change on productivity, worker skills, and outsourcing decisions. Bartel received the 1992 Margaret Chandler Award for Commitment to Excellence in teaching.

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 Bontempo studies international comparative management, including international negotiations and cultural differences in decision making. His current research involves cultural factors in international negotiations and international differences in risk perception. The winner of the 1994 Singhvi Prize for Scholarship in the Classroom, Bontempo teaches the core course Leadership and the elective Managerial Negotiations. He is a consulting editor for the Journal of Cross-Cultural Psychology.

Within the broader field of organizational behavior, Professor Brockner is well known for his work in several areas, including the effects of organizational downsizing on the productivity and morale of the "survivors," the management of organizational change, organizational justice, self processes in organizations and managerial judgment and decision making. He teaches the MBA elective course Managerial Decision Making, the Ph.D. course Individual and Collective Behavior in Organizations, and he is an active consultant and speaker to companies worldwide.

Professor Chan teaches the core MBA class, Operations Management. Her primary research interests are in data-driven modeling of complex stochastic systems, dynamic optimization, and queueing with applications in health-care operations management. Her current focus is on combining empirical approaches with mathematical modeling to develop evidence-based approaches to improving patient flow through hospitals, and particularly intensive care units.

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.

William Duggan is the author of three recent books on innovation: Strategic Intuition: The Creative Spark in Human Achievement (2007); Creative Strategy: A Guide for Innovation (2012); and The Seventh Sense: How Flashes of Insight Change Your Life (2015).  In 2007 the journal Strategy+Business named Strategic Intuition “Best Strategy Book of the Year.” He has BA, MA and PhD degrees from Columbia University, and twenty years of experience as a strategy advisor and consultant. 

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.

Adam Galinsky is the Vice Dean for Diversity, Equity and Inclusion and Paul Calello Professor of Leadership and Ethics at the Columbia Business School.

Professor Galinsky has published more than 300 scientific articles, chapters, and teaching cases in the fields of management and social psychology. His research and teaching focus on leadership, negotiations, diversity, decision-making, and ethics.

Dr. Jorge Guzman is an assistant professor at the Management Division in Columbia Business School. Jorge received his PhD from the Sloan School of Management  at MIT, and was previously a postdoc at the National Bureau of Economic Research (NBER) and a lecturer at MIT Sloan.

Paul Ingram is the Kravis Professor of Business at Columbia Business School, and Faculty Director of the Advanced Management Program, Columbia’s flagship residential program for senior executives from around the globe. His PhD is from Cornell University, and he was on the faculty of Carnegie Mellon University before coming to Columbia. He has held visiting professorships at Tel Aviv University, Shanghai Jiao Tong University and the University of Toronto.

Sheena Iyengar is the ST Lee Professor of Business at CBS, where she has taught since 1998. A graduate of both Wharton and Stanford, she is one of the world's experts on choice and innovation. You may recognize her from one of her Ted Talks, which have collectively been viewed nearly seven million times. 

Kamel Jedidi is the Jerome A. Chazen Professor of Global Business at Columbia Business School, New York.  He holds a bachelor’s degree in Economics from University of Tunis and Master and Ph.D. degrees in Marketing and Statistics from the Wharton School, University of Pennsylvania.  Dr. Jedidi has extensively published in leading marketing and statistical journals.  His research interests include pricing, product positioning, and market segmentation.

Gita V. Johar (PhD NYU 1993; MBA Indian Institute of Management Calcutta 1985) has been on the faculty of Columbia Business School since 1992 and is currently the Meyer Feldberg Professor of Business. She served as the school’s inaugural Vice Dean for Diversity, Equity and Inclusion from 2019 to 2021, Faculty Director of Online Initiatives from 2014 to 2017, Senior Vice Dean from 2011 to 2014, and as the inaugural Vice Dean for Research from 2010 to 2011.

Professor Khandelwal teaches an elective course on International Business. His research interests examine issues in international and development economics, including the strategic response of firms to trade liberalizations and increased international competition.

Professor Martinez is a Senior Lecturer at Columbia Business School. He combines teaching and research with extensive global experience doing strategy consulting, with particular expertise in emerging markets. He gives the Catching Growth Waves in Emerging Markets course in both the MBA and EMBA programs and the Defining and Developing wining Strategic Capabilities course to the MBAs.  He has also given the EMBA immersion course on Opportunities in India and led the Global Immersion Program to Brazil for several years.

Sandra Matz takes a Big Data approach to studying human behavior in a variety of business-related domains. She combines methodologies from psychology and computer science – including machine learning, experimental designs, online surveys, and field studies – to explore the relationships between people’s psychological characteristics (e.g. their personality) and the digital footprints they leave with every step they take in the digital environment (e.g. their Facebook Likes or their credit card transactions).

Robert J. Morais is an anthropologist with a 35+ year career in advertising and market research, and a Lecturer at Columbia Business School. He has taught in the full time MBA program, EMBA, and the Entrepreneurship and Competitiveness programs in Latin America and Africa. Morais was a Principal/Co-owner of a market research firm for 11 years, preceded by 25 years with advertising agencies rising to Chief Strategic Officer.

Professor Netzer's expertise centers on one of the major business challenges of the data-rich environment: developing quantitative methods that leverage data to gain a deeper understanding of customer behavior and guide firms' decisions. He focuses primarily on building statistical and econometric models to measure consumer preferences and understand how customer choices change over time, and across contexts. Most notably, he has developed a framework for managing firms' customer bases through dynamic segmentation.

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.

Laura Veldkamp is a Professor of Finance at Columbia University's Graduate School of Business and is a former editor of the Journal of Economic Theory. Professor Veldkamp earned a B.A in applied mathematics and economics from Northwestern University, and a Ph.D. in economic analysis and policy from Stanford Graduate School of Business. Prior to joining Columbia, she taught at NYU for 15 years.

Marco Viola is a Managing Partner and founder of Nexus Partners. Nexus Partners is a US investor, general partner and manager of a portfolio of companies with over 5000 employees and company value in excess of $500MM. Current portfolio companies include investments in retailing, health care services, education, telecommunications, water treatment, food service, media and industrial laundry. Prior to Nexus, Marco was Managing Director of Bank of America since 1995, heading the principal investment unit for Latin America (Banc of America Equity Partners - Latin America).

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 Ziv stepped down in 2013 from the Vice Dean position at Columbia Business School and became a Professor of Professional Practice.  As a Vice Dean, among other responsibilities, he was overseeing Admission, MBA Students Affairs, EMBA, Career Management and the Samberg Institute for Teaching Excellence.  Before rejoining Columbia Business School as a Vice Dean, Professor Ziv served on the faculties of Yale School of Management, Columbia Business School, and the Interdisciplinary Center Herzliya (IDC) – where he was a Professor of Accounting and founded and headed the executive educa