Oded Netzer is Arthur J. Samberg Professor of Business at Columbia Business School. His expertise is developing quantitative methods that leverage data better to understand 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. He has developed a framework for managing firms' customer bases through dynamic segmentation. More recently, his research focuses on leveraging unstructured data for business applications. He is the author of Decisions over Decimals.