Oli Green (left) and his brother Theo founded Brave Bison in 2020 A London marketing group backed by Rupert Murdoch is poised to swoop on a media-focused data firm as it pushes ahead with a rapid expansion plan. The Telegraph has learned that Brave Bison, which is led by brothers Oli and Theo Green, is closing in on a £12m takeover of MTM, which provides data services to tech and media giants including Google, Amazon, Meta and Netflix. The deal, which will be the company’s fifth acquisition this year, i ...