Jun Han is an Associate Professor in the School of Computing at KAIST. He founded and directs the Cyber-Physical Systems and Security (CyPhy) Lab. Prior to joining KAIST, he was at the National University of Singapore with an appointment in the Department of Computer Science, School of Computing, and Yonsei University with an appointment in the School of Electrical and Electronic Engineering. His research interest lies at the intersection of security and mobile/sensing systems and focuses on utilizing contextual information to solve security problems in the Internet-of-Things and Cyber-Physical Systems. He publishes at top-tier venues across various research communities spanning mobile computing, sensing systems, and security (including IEEE S&P, USENIX Security, ACM CCS, MobiSys, MobiCom, SenSys, Ubicomp, IPSN). Jun also serves on TPC of several top-tier venues in these areas (including IEEE S&P, USENIX Security, ACM MobiSys, SenSys, IPSN) and received multiple awards including the Google Research Scholar Award. He received his Ph.D. from the Electrical and Computer Engineering Department at Carnegie Mellon University as a member of the Mobile, Embedded, and Wireless (MEWS) Group. He received his M.S. and B.S. degrees in Electrical and Computer Engineering also at Carnegie Mellon University. Jun also worked as a software engineer at Samsung Electronics.