Sangtae Ha is an assistant professor in the Department of Computer Science with a joint appointment in the Interdisciplinary Telecommunications Program. He received his PhD in computer science from North Carolina State University. He co-founded the Princeton EDGE Lab as its first associate director in 2009 and led its research team as an associate research scholar at Princeton University from 2010 to 2013. He is a co-founder and the founding CTO/VP Engineering of DataMi, a startup company on mobile networks, and is a technical consultant to a few startups. He serves as an associate editor for IEEE Internet of Things (IoT) Journal and on the editorial board for IEEE CTN. He is an IEEE Senior Member and was a general co-chair of the Smart Data Pricing workshop in INFOCOM 2013.