Stephenson (pictured) joins Further from Watermelon Research, where she spent the past seven years as project director.

She will focus on developing the company’s field operations and project management capabilities.

Roth was previously managing director at mobile research specialist OnDevice Research. At Further, he will apply qualitative, semiotics and cultural insight.

Stephen Cribbett, founder and chief executive, Further, said: “We’re delighted to have found such great talent in both Gemma and Nigel and their roles in growing the work we do in understanding consumers as a partner to researchers and insight professionals is significant.”