Fowler joins from OgilvyOne Worldwide, where he was a freelance group account director. He has also held senior positions at Publicis and Craik Jones.
In the newly created role, Fowler will be responsible for clients including Lavazza, Majestic Wine and Nokia Enterprise Solutions.
Meanwhile the agency has also made a number of senior-level internal promotions including PR specialist Jessica Scott-Forbes, planners Julian Rooke and Ed Homes and promotional marketing expert Claire Hamilton, who all become associate directors. Martin Steel has been promoted with the job title deputy creative director.
Sophie Daranyi, Haygarth's managing director, said: "These appointments signify our desire to strengthen Haygarth's management team and further involve senior level staff in the day to day running of the business."
Haygarth delivers integrated marketing campaigns for clients such as Columbia Tristar, Kerry Foods, Tropicana and the Carbon Trust.
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