She will lead a team of 15, reporting to Dave Bennett, head of brand marketing. Winter will work with clients including Bayer, Expedia, Illinois, Freeview and Hallmark, as well as leading new business activity and "driving creative output".
Formerly an associate director at Ogilvy, Winter ran campaigns for brands including Puma, Pimm’s and Google. Previously she was creative head at Shine, where she led work for Evian, haircare product manufacturer GHD, Sony Computer Entertainment Europe, Paramount Home Entertainment and Bacardi, among others.
FleishmanHillard UK MD Jim Donaldson said: "We’re really pleased to have someone of Lauren’s calibre joining the business at this exciting point in our development. She’s worked with some of the biggest brands in the business and will bring a creative and insightful point of view to both existing and new clients."
Winter said: "I feel I can make a real contribution to the already great work the team does day-in and day-out, while helping to push forward the calibre of thinking and creativity we can offer."