He joined the School in 1998 after a three year period as a visiting Research Fellow at the Max Planck Institute for Biological Cybernetics in S.W. Germany. Whilst in Germany, Dr Wallis developed his interest in the human visual system by using virtual, computer generated worlds and since his arrival has established a virtual environments lab within the School. His research work and infrastructure to support it, has been funded by the Australian Research Council and the Motor Accident Insurance Commission.