O2 UK has promoted chief finance officer Ronan Dunne to chief executive. Dunne will take over the role in February next year and replaces Matthew Key, who has been promoted to chief executive of Telefonica O2 Europe to replace Peter Erskine.
Dunne has been at O2 for seven years and chief finance officer for three years. His role spanned legal, procurement and professional services.
Telefonica has also appointed two O2 UK executives to non-executive roles. Customer director Cath Keers is to become a non-executive director of Telefonica O2 Europe and sales director Mark Stand will become non-executive director of O2 UK. Both will take over the roles in February next year.