Appointed Chief Executive February 2024 and to the Board March 2019.

Allison chairs the Executive Committee and is a member of the National Security and Investigatory Powers Committee. 

Experience

Allison was President & CEO of Telia (2020-24), President & CEO of TDG Group (2018-19), and CFO (2014-15) and President & CEO (2015-18) of Tele2. She was a Non-Executive Director of Greggs and Brookfield Asset Management, respectively chairing and sitting on the audit committees of each. Allison also held financial and operational roles within 21st Century Fox, Virgin Media, Procter & Gamble and Guiness. 

Relevant skills and contribution to the Board

Valuable international telecoms and media leadership experience, with a strong track record of business transformation, improving performance, customer service and shareholder value. 

External appointments

Member of the GSMA Board, adviser to the UK Government’s Board of Trade and a founding member of the UK Government’s Women in Tech taskforce.