Seaman (pictured) was previously senior research executive at BritainThinks and has also had experience at Traverse and as research assistant for research and development at the Alzheimer’s Society.

The appointment follows 14 other new hires at Opinium across its London, New York and Cape Town bases.

In the London office, Chris Carey has joined Opinium as research director.

Tom Cox has been named senior research manager, while Eliza Arkuszewska is research executive and Henry Oliver is business development manager.

Octavia Broughton has been named research manager and Tom Witter and Nicholas Dale are both project managers.

Anna Day has joined as junior business development and marketing executive and Anjali Mall is junior project manager.

Three junior data processing executives have joined Opinium’s Cape Town team – Donné Van Der Burgh, Luvo Ndzendze and Junaid Salie.

Tahra Adams has also been appointed as panel communications and fieldwork project manager.

In New York, Jack Cody has been named research manager.

James Endersby, chief executive at Opinium, said: “While it’s certainly a challenging recruitment market out there at the moment, it’s great to be able to attract so many brilliant and inspiring new colleagues who will join our team and get to make an instant impact for our clients, for their colleagues and for the world around them.

“Our new London and New York colleagues will join our clients and our Opinium project teams in helping drive organisations forward, and our new Cape Town colleagues will continue to empower our insights with their data skills and wizardry.”

Hannah Teale, joint head of people and culture at Opinium, said: “Our people, their wellbeing and our vibrant culture are incredibly important to us at Opinium and we place them at the centre of our agency.

“I’m looking forward to welcoming all of our new team members.”