He will be based in London and report to chairman and chief executive, Jonathan Newhouse, who said: "As the media and creative industries evolve, we are in a battle for talent - and winning that battle is more important than ever."
Bucaille arrives at Condé Nast International from Christian Dior, where he held the position of worldwide HR director since 2005. He spent most of his career previously at L'Oréal where he held a number of managerial and HR posts between 1992 and 2005.