Enver (pictured) joins Walnut from GfK, where she has been key account director for more than two years.

Enver will expand Walnut’s media research offering and build its brand and communications work in the media space and across sectors.

She will report to recently promoted board director Chris Bland.

Bland said: “Tijen brings an exciting mix of knowledge and expertise in the world of media that we see as complementing our work we have been doing to date. We are thrilled to have Tijen on the team as we further expand our offering.”