Previously chief revenue officer online learning business Circus Street, Betteridge (pictured) spent nine years at Time Out as managing director of advertising. He has also held roles at Dennis Publishing and Emap.

Based in London, Betteridge will be responsible for leading Unruly’s UK sales teams and building relationships with agency partners. He will report to Jason Trout, managing director of EMEA.

His appointment follows Unruly’s creation of a client and agency council to generate dialogue on digital advertising.

Trout said: “Saint’s energy and drive are a great fit for the Unruly culture and I know he’ll be a great representative for our UK business.”