Dr. Chakchai So-In (SMs, IEEE/ACM) is a Professor of Computer Science, Khon Kaen University. He received BEng/MEng from KU (TH), in 1999 and 2001, and MS/PhD from WUSTL (MO, USA) in 2006/2010; all in computer engineering. Dr. So-In was also interns at NTU (SG); and Cisco Systems, WiMAX Forum, and Bell Labs (USA). His research interests include Computer Networks and Internet, Internet of Things, Wireless and Mobile Networks, Cybersecurity, and Applied AI. He has served as an associate editor for IEEE Trans. ASE, IEEE Access, PLOS ONE, Wireless Networks, PeerJ (CS), and ECTI-CIT; and as TPC Chair/Co-Chair for WiMob, ICSEC, JCSSE, and KST. He has authored over 150 international publications in IEEE-JSAC/TCCN/CAA/Commun/Wireless Commun Mags, IEEE IoT J, IEEE System J, JNCA, FGCS, COMNET, MONET, IoT, WN, ESWA, ASC; and 10 books, including Mobile/Wireless with IoT, Computer Network/ Network Security Labs.