Professor John A. McDermid , Head of the Department of Computer Science at the University of York.

I can sometimes be found in office CSE/008, and on extension 5400 (+44 1904 325400 from outside the University), Messages can usually be left with Chrysle Hudson extension 5405 (+44 1904 325405 from outside the University), or by electronic mail: chrysle@cs.york.ac.uk.