I have been at the University of Sydney since ancient times and I am now an Associate Professor in the School of Information Technologies. I have played many roles in the School (previously known as the Basser Department of Computer Science) and served two periods as head. I introduced the first course on networking in the department and (with Judy Kay) the first course on user interface design and programming. My research is in the systems side of pervasive computing and user modelling. My research group is the Computer Human Adapted Interaction group.