CEO Havas has made a name for himself as a driving force for change, within his own agency group, in the broader world of business and beyond. He became the youngest global CEO in the history of the advertising industry in 2005, when he was made global CEO of Havas Worldwide. He runs all the creative, marketing, and design companies throughout the network of 300+ offices. He is also global CEO of Euro RSCG Worldwide, the worlds largest agency by global brands. David has taken to the global stage as co-founder of One Young World, a non-profit organisation that gives a voice to young leaders, aged 25 or under, around the world.