Sye Loong Keoh is an Assistant Professor in the School of Computing Science, University of Glasgow, Singapore. He holds a BSc (Hons) in Computer Science from Universiti Teknologi Malaysia, and obtained his PhD in computing science from Imperial College London in 2005. Prior to joining University of Glasgow, he was a Senior Scientist at Philips Research Eindhoven (2008 - 2013) and a Postdoctoral Research Associate at Imperial College London (2005 - 2008). While working at Philips Research, he was heavily involved in the standardization of Digital Rights Management (DRM) technology for content protection, i.e., Marlin DRM which has been deployed on many content streaming devices and IPTV services. He was the lead author of the Marlin Shared Domain (MSD) Specification. In addition, he also worked on projects related to security for Philips Healthcare and security protocols design for Philips lighting systems in Eindhoven, The Netherlands.

Since 2011, Sye Loong has been actively contributing to the standardization of security protocols for Internet of Things (IoT) in the Internet Engineering Task Force (IETF), specifically he contributes to the Constrained Restful Environment (CoRE), DTLS in Constrained Environment (DICE) and Lightweight Implementation Guidance (LWIG) working groups. His research interests include policy-based management, building and home automation, security protocol design, security and trust management, Internet of Things and pervasive computing.