Paul has lectured since 1997 within the Department of Computing & Networking, at the Institute of Technology, Carlow, in Ireland. Prior to that, Paul worked for 10 years within the IT industry in various software development and managerial roles, both in Ireland and Canada.

Paul has a B.Sc. in Computing (Information Systems) from the University of Ulster, Jordanstown and an M.Sc. in Computing from the Institute of Technology, Sligo.

Paul has authored two books: Programming the Network with Perl (2002) and Bioinformatics, Biocomputing and Perl (2004), which he co-wrote with Dr. Michael Moorhouse. Both books are published by Wiley.