Costas Kyriacou graduated with an Honours degree in Electrical & Electronic Engineering from Leeds Beckett (Metropolitan) University in 1995. In 1979, he joined British Telecom and gained an in-depth knowledge of analogue and digital transmission equipment, which includes RF, Optical and various Multiplexing Systems.

In January 1997 he joined Yorkshire Cable Communications, where he was responsible for the testing, evaluation of a variety of RF and Optical products and providing a support role for the network and the headend staff. Whilst at Telewest/Virgin Media, as CPE Hardware Development Manager and Engineer, his responsibilities were for all aspects of testing, test development, product/system evaluation and design with recommendations, laboratory manager and principle authority in the RF, Optical and CPE hardware discipline. This included a variety of hardware CPE, wireless gateway products and test developments. Costas now works for Thales.