Professor Raj's research interests include marketing strategies, customer purchasing behavior, management of new product development, role of the Internet in marketing, and multi-media instruction. He teaches marketing management, marketing strategy, integrated marketing communications, marketing and the Internet, marketing research, and marketing models. He has taught graduate and undergraduate students, full-time and part-time, at Syracuse University, Cornell University, and Northwestern University. He has also taught in programs for executives in the U.S. and in Brazil, Finland, Jamaica, Korea, and India.