John Harrison Kurunathan received his Ph.D. (2021) in Electrical and Computer Engineering from the University of Porto, Portugal. He holds a bachelor's degree (2012) in the field of electronics and communication from SRM University, and a master's degree in Very Large-Scale Integration (2014) from SSN College of Engineering, Anna University.

Harrison joined the CISTER Research Centre in 2014 to work in the domain of Wireless Sensor Networks. Since then, he has been working in areas such improving Quality-of-Service (QoS) for industrial and low-rate WSN infrastructures, and network protocols. During his tenure as a Ph.D. student, he was actively involved in the SafeCOP project that aims towards safety-related Cooperating Cyber-Physical Systems (CO-CPS).

He has several publications in reputed conferences (e.g., WFCS, ICCPS, RTN) and journals (e.g., IEEE communication surveys and tutorials, IEEE ACCESS) and has served as a reviewer for several conferences (e.g., ICCPS, EWSN, MSN, RTN) and journals (e.g., IEEE ACCESS, IEEE transactions on Vehicular technology, ACM Sigbed).