Radhika Ranjan Roy is an Electronics Engineer (Research), United States, Engineering & Systems Integration Directorate, Command Control, Computers, Communications, Cyber, Intelligence, Surveillance and Reconnaissance (C5ISR) Center, Aberdeen Proving Ground (APG), Maryland, since 2009. Before joining to US Army Research, he worked in various capacities in CACI, SAIC, AT&T/Bell Laboratories, CSC, and PDB since his graduation. He holds a PhD in electrical engineering with major in computer communications from the City University of New York, New York, in 1984, and MS in electrical engineering from the Northeastern University, Boston, Massachusetts, in 1978. He received his BS in electrical engineering from the Bangladesh University of Engineering and Technology, Dhaka, Bangladesh, in 1967. He has published more than 50 technical papers. He is holding and/or has submitted over 35 patents. In addition, Dr. Roy has authored five books: Networked Artificial IntelligenceAI-enabled 5G Networking, CRC Press, 2024, Handbook on Networked Multipoint Multimedia Conferencing and Multistream Immersive Telepresence using SIP, CRC Press, 2021, Handbook of SDP for Multimedia Session Negotiations: SIP and WebRTC IP Telephony, CRC Press, 2018, Handbook on Session Initiation Protocol: Networked Multimedia Communications for IP Telephony, CRC Press, 2016, and Handbook of Mobile Ad Hoc Networks for Mobility Models, Springer Nature Customer Service Center LLC., October 2010.