Caldwell (pictured) joins the company from panel and data collection firm Netquest, where he was managing director. Prior to that, his roles included managing director at Nepa and director of knowledge and strategy at Research Now (now Dynata).

In the new role, he will contribute to the company’s service and product innovation and expand its client base.  

Panelbase offers services including polling, sample-only, scripting and hosting, tabulation, community and qual recruitment, product testing and mobile app testing.

Angus Webb, founder, Panelbase, said: "I'm delighted to have Johnny join the team as Panelbase maps out the next phase of our evolution. His vast experience in developing research solutions and our shared ethos of delivering excellent client success will further catalyse our service portfolio and rapidly growing client base."