Harrison, currently marketing manager for Foster's, will take over the role with responsibility for "mainstream beers" such as Foster's and John Smith's from 6 January.
Former L'Oreal marketer Harrison joined the brewer in 2002 as brand controller for the Heineken brand, before taking up a range of roles for Heineken in the Caribbean.
She assumed her current job in 2008, developing Foster’s ongoing 'Good Call' ad campaign.
Stefan Orlowski, managing director for Heineken UK, said: "Gayle has an excellent record of building brands and marketing capability, both internationally and here in the UK. Her appointment will ensure a seamless transition and continued momentum on both Foster's and John Smith's."
Given is , with responsibility for O2's range of entertainment and sport sponsorship deals, including O2-branded music venues and its backing of the England rugby union team.
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