Currently Paul Spirakis is occupying the following positions:
- Chair Professor in the Computer Science Dept. of the University of Liverpool (UK).
- Head of the Council of the Liverpool University Initiative on Network Sciences and Technologies (NeST)
- Full Professor at the Department of Computer Engineering & Informatics, School of Engineering, University of Patras
Department Chairman during Sep/1987 - Sep/1989, Sep/1989 - Sep/1991 and Sep/1991 - Sep/1993
Department Vice-Chairman during Sep/1993 - Sep/1995
- Director of the Research Academic Computer Computer Technology Institute (Sept. 1996 to Oct. 2017 1996). C.T.I. is under the auspices of the Ministry of Education of Greece. CTI is, under a recent law, the main Informatics Technology Institute of the Ministry of Education.
Scientific Director of Research Unit 1 (Foundations of Computing)
Scientific Director of the Division of Security of Information Systems.
- Director of the Distributed Systems and Telematics Laboratory of University of Patras, 1996 on.
- Director of Graduate Studies of the Department of Computer Engineering & Informatics, School of Engineering, University of Patras, Sept. 2005-Sept. 2007. Also Sept. 2007-09.