During his career, Stephen participated in the four Research Assessment Exercises of 1992, 1996, 2001 and 2008 and then again in the Research Excellence Framework Exercise of 2014. For the latter exercise, he was REF Champion, responsible for the entry by Southampton Law School.
He also co-founded and then became Director of Southampton’s Institute for Law and the Web (ILAWS).
In 1983, while on sabbatical, he taught Computer Law and Comparative Constitutional Law at Arizona State University. Then in 1985, as founding editor, he launched Computer Law and Security Report, rebranded in 2010 as Computer Law and Security Review - The International Journal of Technology Law and Practice (CLSR) ISSN0267-3649 (published by Elsevier since 1991). Under his sole editorship, during a period spanning 33 years, he produced six issues a year before reaching the landmark 200th edition in 2018. At that point, he retired as Editor-in-Chief, handing over the role to Professor Sophie Stalla-Bourdillon.
In 2018, the journal reached the No. 1 spot among technology law journals in Google Scholar metrics, in addition to its status as the only technology law journal in the world to be awarded both an Impact Factor as well as entry into the prestigious Clarivate Analytics’ Social Science Citation Index.
In addition to his editorship of CLSR he was also Editor of Sweet and Maxwell’s Encyclopedia of Information Technology Law (ISBN: 9780421372108) from 1990 until 2018
Externally from 2006-2014, he was Chair of the IAITL Conference international conference organised by the late distinguished Prof Sylvia Kierkegaard, former President of the International Association of IT Lawyer (IAITL). Successive meetings during this period took place in Hamburg, Copenhagen, Istanbul, Beijing, New York, Prague, Malta, Barcelona, Nicosia, Athens, Bangkok and Lisbon.