In 1978 Richard Brent was appointed Foundation Professor of Computer Science at ANU, and in 1985 he became Professor and Head of the Computer Sciences Laboratory in the Research School of Physical Sciences at ANU.
In 1998 he moved to Oxford as Statutory Professor of Computing Science and Fellow of St Hugh's College.
In March 2005 he returned to ANU to take up a 5-year position as an ARC Federation Fellow in the Mathematical Sciences Institute (MSI) and the Research School of Information Sciences and Engineering.
In March 2010 he became a Distinguished Professor with a joint appointment in MSI and the School of Computer Science.
Since Sept. 2011 he has been an Emeritus Professor at ANU and a Conjoint Professor at the University of Newcastle.
He is a Fellow of the ACM, IEEE, SIAM, the Australian Academy of Science, and various other professional bodies.
His most recent book, Modern Computer Arithmetic (written jointly with Paul Zimmermann), was published in November 2010 by Cambridge University Press.
Analysis of algorithms, computational complexity, computational number theory, parallel/distributed computing, parallel computer architectures, randomised algorithms, random number generators, scientific computing.