He obtained a Bachelor of Electrical Engineering from the University of NSW in 1986, and a Ph.D. on Auditory Information Design from the Australian National University in 1997. He took up a Post-Doctoral Fellowship at the Fraunhofer Institute for Media Kommunication in Germany through 1998-1999. Upon return to Australia he lead research on Advanced Audio Interfaces at the CSIRO ICT Centre in Canberra from 2000-2004.Stephen has published more than 30 peer-reviewed articles, and regularly contributes to international conference committees and invited expert workshops. He served on the Board for the International Community on Auditory Display from 1998-2004, and was Organizing Chair for the International Conference on Auditory Display in Sydney 2004.