Robert Biddle is a Professor in the School of Computer Science and Institute of Cognitive Science at Carleton University in Ottawa, Canada. His research is in Software Design and Human-Computer Interaction. His current research projects are on usable security, especially authentication and security decision-making, and on large-scale multi-touch devices, especially environments for collaborative design and visualization. Robert has Bachelors and Masters degrees in Mathematics and Computer Science from the University of Waterloo, a PhD from the University of Canterbury, and has diplomas in both childhood and adult education.