Dan Rubenstein is an associate professor in the Department of Computer Science at Columbia. His research interests are in network technologies, applications, and performance analysis. He is an editor of IEEE/ACM Transactions on Networking, program chair of Association for Computing Machinery (ACM) Sigmetrics 2011, and has received an NSF CAREER Award, IBM Faculty Award, and three paper awards from ACM SIGMETRICS 2000, Institute of Electrical and Electronics Engineers International Conference on Network Protocols CNP 2003, and ACM CoNext 2008. Rubenstein received his Ph.D. in computer science from University of Massachusetts, Amherst.