Tencastle Limited is a company registered in England and Wales, number 09374422


Director: Dr Mark Shepherd

Phone: +44 (0) 7557 147575

Email: via contact form

Mark helps diverse systems work together in London, across the UK and internationally. His experience is primarily in telecommunications and security, working in both industry and government sectors.

Mark has 15 years' experience at all stages of standards-making. Mark's work has included shaping standards policy, creating a standards community and chairing meetings. Also Mark has run plug-tests, negotiated standards details and supervised standards testing and the creation of test software. 

Mark's doctorate (Oxford, 1999) demonstrated an application of Maths for Radio Channel Assignment in the telecommunications industry.


Director: Mark Canterbury

Phone: +44 (0) 7799778713

Email: via contact form


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