Author Kieron O'Hara is Senior Research Fellow in the Intelligence, Agents, Multimedia Group (IAM), in the Department of Electronics and Computer Science (ECS) at the University of Southampton. He is currently involved in the Office of Science and Technology's Cybertrust and Crime Prevention initiative. He is the author of two books in popular science and sociology: Plato and the Internet, and Trust: From Socrates to Spin. He also co-wrote the script for best-selling computer game Tomb Raider IV: The Last Revelation.

Nigel Shadbolt is Professor of Artificial Intelligence at the University of Southampton, UK, and was President of the British Computer Society in its 50th anniversary year 2006-2007. He is Chief Technology Officer of internet security firm Garlik, and a director of the Web Science Research Initiative. He is both a chartered psychologist and a chartered engineer, and sits on a number of UK national science and technology committees.