Graham has held a variety of senior roles in telecommunications including in P&L general management, corporate strategy and development, sales & marketing, call centre management, operations, finance, business and strategic planning.

Whilst in British Telecommunications he had roles in Corporate Strategy, Marketing Strategy and as MD of BT's call centre business, which was the subject of a turnaround.

Graham has been with O2 since the demerger from BT and has been involved in Strategy and Business Development including leading the creation of O2's wholesale strategy, the negotiation of the Tesco Mobile Joint Venture, and M&A activity.

He has worked in the Customer Experience area for a number of years. In his current role he is responsible for leading the Customer Experience activity for Telefonica Europe and running the centre of competence on Customer Experience for Telefonica worldwide, as Telefonica continues to increase its focus on its customers.