Legal Resource Center > Expert Witnesses > CASTELL CONSULTING

Expert Witnesses


Stephen Castell

P.O.Box 270529
San Diego, CA 92198
P: (310 ) 890-9859
P.O. Box 334
Witham, ESSEX, UK, CM8 3LP
P: +44 (0) 7831 349 162


Dr. Stephen Castell, Chartered Information Systems Practitioner and Member of the Expert Witness Institute, is Chairman of CASTELL Consulting. He is an internationally acknowledged Independent Computer Expert who has been involved in a wide range of computer litigation over many years. CASTELL Consulting, currently in its twenty-fifth year, provides independent professional consultancy and expert services in Computer Systems, Software, Project Management, Strategy, and Contract Disputes, to a wide variety of international clients and companies.

As an Expert Witness in computer litigation, Dr. Castell has acted in over 100 major cases including the largest and longest computer software actions to have come to trial in the English High Court. He is the author of the best-selling Computer Bluff (1983), and of The APPEAL Report (1990) on the admissibility of computer evidence in court and the ‘legal reliability’ of information systems and technologies (with the CCTA).

Medallist, IT CONSULTANT OF THE YEAR, British Computer Society IT Professional Awards, 2004

CORPORATE AMERICA NEWS Expert Witness of the Year 2016 (Risk Assessment & Management)

Computers Expert Witness of the year – Lawyer Monthly : Expert Witness Awards 2016

Education / Licenses

PhD, Mathematics, University of Nottingham, Postgraduate Prizewinner

MSc, Mathematics (Computer Science and Fluid Mechanics), University of Nottingham

BSc, Mathematics, Physics and Psychology (First Class Honors), University of London

CITP – Chartered IT Professional

CPhys – Chartered Physicist

AFIMA – Associate Fellow of the Institute of Mathematics and its Applications

MEWI – Member of the Expert Witness Institute

MIoD – Member of the Institute of Directors

CEDR-Trained Mediator, ICC Arbitrator, Expert Determiner

On the List of Experts of the Arbitration and Mediation Center of the World Intellectual Property Organization, Geneva

Committee Member, Programme Development & IT Professionalism, British Computer Society Law Specialist Group

Retained Expert for

Years in Practice

35 years

Primary Areas of Expertise

Computer/Digital Forensics; Computer Networking, Computer Sciences;Computer Security;Data Management/Recovery; Information & Internet Technology

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