· Professor, Charles Darwin University2017–
· Associate Professor, University of Melbourne2002–2017
· Adjunct Associate Professor, University of Pennsylvania1998–2002
· Postdoctoral Research Fellow, University of Edinburgh1991–1998
· Senior Researcher, Artificial Intelligence, International Computer Science Institute (ICSI)
· Associate Professor, University of California, Berkeley (UC Berkeley)
· PhD in Computational Linguistics, University of Edinburgh
· MS in Computer Science, University of Melbourne