Caillaud-Haagen joins the company from PR firm Ketchum, where she worked for seven years and led both UK and international programmes for clients within the P&G Beauty and P&G Prestige portfolio.
In her new role she will be working across P&G Salon Professional’s brands, including Sebastian, Nioxin, Wella and Pantene.
Helena Bloomer, managing director of Devries Slam, said: "2014 has been a standout year for our agency – we’ve set record-breaking profits and won market-leading brands.
"Elsa is joining at an exciting time and her powerful skillset and experience will advance our offering as we look to continue to build our portfolio and develop current relationships."
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