Youâ€™ve read all of your free items this month. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Advertising Age Article Abstract Yannick BollorĂ© On the Positive Influence of the Family Business Says 200-year History of Groupe BollorĂ© Breeds Confidence for Havas Clients By Emma Hall, Published on April 03, 2014 0 Want more Access, Content & Connections? Upgrade to Membership. We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today. Become a Member Already a member? Log in.