Brendan O'Reilly | CTO
O2 Telefónica U.K.

Brendan O'Reilly, CTO, O2 Telefónica U.K.

Brendan is O2 Telefonica's Chief Technology Officer, with over 15 years’ experience in mobile telecoms. He has accountability for O2 UK’s strategy, design, planning, test, delivery and operation of the entire mobile and fixed network, messaging and Wi-Fi supported by his team of more than 600 professional engineers.
Working closely with key areas in the UK and Telefonica Group, Brendan is developing the high level principles needed to develop the O2 network focusing on the ever changing needs of our customers.
Brendan has held a number of senior roles in the Networks Leadership Team over the past seven years, with achievements including leading the development of O2’s network share partnership with Vodafone in June 2012. He is also experienced in detailed planning and delivery of radio and transmission networks.

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