Professor Ansari's research address customer relationship management, customization of marketing activities and product recommendations over the Internet, Social networks modeling and Bayesian modeling of consumer actions. Prior to joining Columbia in 1996, Ansari was with the university of British Columbia, Canada. Ansari has several publications in leading journals in marketing and allied fields. His research has appeared in the Journal of Marketing Research, Marketing Science, Management Science, Quantitative Marketing and Economics and Psychometrika. Ansari is the recipient of the Paul Green Award from the American Marketing Association (1994) for his work on ecustomization, His other work has been nominated for the O'Dell Award (2005 and 2007), Paul Green Award (2003 and 2008) and the Long Term Impact Award from the INFORMS society for Marketing Science (2009). Ansari serves as an Associate Editor for Management Science and Quantitative Marketing and Economics, and is on the editorial board of Marketing Science. Professor Ansari teaches the core marketing course and PhD courses on empirical modeling and Bayesian methods in marketing. He is the recipient of the Dean's Award for Teaching Excellence (2009).