Guohong Cao received the BS degree in computer science from Xian Jiaotong University and received the PhD degree in computer science from the Ohio State University in 1999. Since then, he has been with the Department of Computer Science and Engineering at the Pennsylvania State University, where he is currently a Professor. He has published more than 200 papers in the areas of wireless networks, wireless security, vehicular networks, wireless sensor networks, cache management, and distributed fault tolerant computing. He has served on the editorial board of IEEE Transactions on Mobile Computing, IEEE Transactions on Wireless Communications, IEEE Transactions on Vehicular Technology, and has served on the organizing and technical program committees of many conferences, including the TPC Chair/Co-Chair of IEEE SRDS'2009, MASS'2010, and INFOCOM'2013. He was a recipient of the NSF CAREER award in 2001. He is a Fellow of the IEEE.