Arun Sundararajan (Tamil: அருண் சுந்தர்ராஜன்) (born in the United Kingdom) is the NEC Faculty Fellow, Professor of Technology, Operations, and Statistics and a Doctoral Coordinator at the Stern School of Business, New York University. For 2010–12, he is the Distinguished Academic Fellow at the Center for IT and the Networked Economy, Indian School of Business. Sundararajan is an expert on the economics of digital goods and network effects. He also conducts research about network science and the socioeconomic transformation of India.