Hussain (pictured) was previously director of digital strategy at programmatic ad company Collective and has also worked at Sky and AOL.

He will be part of Ebiquity’s media value measurement practice, which works with brands on improving media performance.

Hussain will report to managing director of UK and international media, Neil Duncan.

Elsewhere in the group, Federica Aperio, former head of digital at Ebiquity North America has joined FirmDecisions, Ebiquity’s global marketing auditor, in the newly created role of managing director, digital.