Yannick Bolloré steps up to Vivendi chairApril 20, 2018 11.28 Europe/London By Julian Clover Yannick Bolloré has been appointed as chairman of French media giant Vivendi, replacing his 67 year old father Vincent.The Board also confirmed Philippe Bénacin as Vice-Chairman.Yannick Bolloré is a graduate of Paris Dauphine University. He is also chairman and chief executive officer of the Havas Group.Before joining Havas he spent five years with Bolloré Media, which ran the D8 and D17 channels, prior to their sale to Vivendi subsidiary Canal+.