Dr. Sajal Das, an IEEE Fellow, is a professor of Computer Science and Daniel St. Clair Endowed Chair in the Department of Computer Science at Missouri University of Science and Technology, Rolla. Prior to September 2013, he was a University Distinguished Scholar Professor of Computer Science and Engineering at the University of Texas at Arlington. During 2008-2011, he was a Program Director at the NSF in Computer Networks and Systems Division in the CISE Directorate. In 2012, he was selected as the E.T.S. Walton Fellow by the Science Foundation of Ireland. Dr. Das has visited numerous universities worldwide for collaborative research and is frequently invited as keynote speaker at international conferences. His research interests include wireless sensor networks, mobile and pervasive computing, cyber-physical systems, smart environments including smart healthcare and smart grid, big data analytics, IoT, distributed and cloud computing, security, biological and social networks, and applied graph theory and game theory. Dr. Das has directed numerous funded projects and published more than 650 research articles in high-quality journals and refereed conference proceedings. He holds 5 US patents, co-authored 52 book chapters and four books titled Smart Environments: Technology, Protocols, and Applications (2005), Handbook on Securing Cyber-Physical Critical Infrastructure: Foundations and Challenges (2012), Mobile Agents in Distributed Computing and Networking (2012), and Principles of Cyber-Physical Systems: An Interdisciplinary Approach (2017).