Myler will join the firm in December, reporting to the agency’s corporate lead, Chris Cartwright.
She has spent the previous two years as a senior Labour adviser, first to then home secretary Jacqui Smith then to former secretary of state for health Andy Burnham.
Most recently she played a key role in Ed Miliband’s successful campaign for the leadership of the Labour Party and has been helping him in his transition to the position of Leader of the Opposition.
Myler told PRWeek that it was a ‘great honour’ to have worked on Ed Miliband’s campaign but that she decided around the time of the general election to quit frontline politics.
She said: ‘Around the time of the general election I decided that my next step would be outside Westminster and PR was an area I was especially interested in exploring.’
She revealed that she had been in discussion with WPP and BM over the summer and that taking a leading role in Ed Miliband’s comms operation on a longer-term basis was ‘never on the radar’.
Cartwright stressed that Myler’s experience as a senior media strategist was ideally suited to her new corp comms role: ‘Businesses need high level, strategic counsel and Katie has great experience of giving effective media advice in highly pressurised environments across a great number of issues.’
Myler added that she was not tempted to go into a more traditional public affairs role, calling her move a ‘logical step’, given her former roles had concentrated on strategic media relations.
She started her career at GMTV, where she spent ten years, latterly as a senior producer for all political coverage. Her work at GMTV included a two-year stint at New York bureau chief.
Cartwright added: ‘She has a unique mix of journalistic nous, calmness under pressure, and the ability to mould communications strategies for senior, high profile figures.’
Myler is the daughter of Colin Myler, editor of News of the World.