Mike Davison, managing director of word of mouth specialists 1000heads, is leaving his London-based role to join the company’s US office as chief executive officer.

Davison has been appointed to drive the agency’s growth in North America from its New York office, and will join the team this month.

With a background in technology and journalism, his career began in the BBC’s digital team. In 1999 he joined Mike Rowe at the Charlton Group as director of emerging media, leading The Carphone Warehouse, LA Fitness and KFC accounts before later joining 1000heads in 2004.

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