Marc Allera

Marc David Allera (born 5 April 1972) is the CEO and former head of three of the UK’s communications brands, BT, EE and Plusnet, who previously was the CEO and Chief Commercial Officer of EE.

Early life He was born in Howden in 1972, then in the East Riding of Yorkshire (pre-1974). He is of Italian descent. He attended France Hill School (now called Kings International College) in Camberley.

He graduated in International Business Studies from Sheffield Hallam University (Sheffield Business School) in 1995, where he started in 1991.

Career Sega From 1997 until 2001 he was UK General Manager of video game company Sega Corporation.

Three Marc joined Three UK in March 2001, where he held several prominent positions, including Chief Commercial Officer and Sales and Marketing Director. He is acknowledged as being a key person behind Three's transformation from a start-up to one of the largest mobile networks in the UK market. The company was launched in March 2003.

EE He joined EE in December 2011 from Three UK.

He became Chief Executive Officer (CEO) of EE on 29 January 2016. As CCEO, he was in charge of all Commercial and Sales activities throughout a multi-channel operation that included Digital, Retail, Tele-sales, and Customer Base Management. EE was the first to implement 5G in the United Kingdom.

On 1 September 2017, EE joined BT Consumer and Marc was promoted to CEO of BT's Consumer Group. EE is headquartered in Hertfordshire whereas BT is headquartered in London. In 2018 and 2019, Marc won the Power 50 Person of the Year, a mobile industry award.

He resigned from his role after 9 years on March 31 2025.

Jagex In March 2024, he was appointed as Chairman of the Board of Jagex by new owners CVC Capital Partners.