 In this role Cohen oversaw the BBC's Television Networks (BBC One, BBC Two, BBC Three and BBC Four) and BBC Productions – Europe's largest television production group.He also had responsibility for the BBC's feature film unit, BBC Films, and the BBC's content on its digital platform, BBC iPlayer.In 2014, BBC Television was the most successful UK television network, and in the first quarter of 2015, the BBC's main network, BBC One, delivered its best start to the year in a decade with a prime-time audience share of 25.2%.