He was on the faculty of Computer Science at University of Kentucky 2013-2016. He got his PhD degree from The University of Texas at Austin, where he worked with Simon Lam. His research interests include computer networking and distributed systems, Internet of Things, network security, and cloud computing. He has published more than 60 papers, most which appeared in top journals and conferences including ToN, TPDS, ICNP, INFOCOM, ICDCS, SIGMETRICS, CoNEXT, CCS, NDSS, Ubicomp, etc.