 Gwenn-Aël Bolloré was Vice-President of the Papeteries Bolloré from 1952 to 1974.In late 2004 the Bolloré group began taking an interest in the advertising sector, and started building a stake in Havas, becoming its single largest share-holder.In a boardroom coup Alain de Pouzilhac was deposed as President and CEO on July 12, 2005.