From 1979 to 1982, he was a research associate in the Department of Computing Science at the Newcastle University.

Previously he was a professor in the School of Computing Science at Simon Fraser University.

Originally Faculty of Computing Sciences and Engineering, renamed on 1 October 2008.

Master's thesis, Department of Computing Science, University of Alberta, 1976.

He is a professor in the department of Computing Science at the Chalmers University of Technology.

Full-time and part-time undergraduate and postgraduate degrees in Computing Science cover the most current technology areas, including:

Category Theory for Computing Science updated edition of text published in 1999.

Sleeman returned to Aberdeen in 1986 where he was appointed the University's first Professor of Computing Science.

For services to Computing Science.

The departments of Psychology, Computing Science and most of the Arts Faculty continue to be housed in these terraces.