National Amusements third-gen Shari Redstone was the only vote from the board of directors at Viacom, her family’s media empire, opposing the appointment of Philippe Dauman as chairman on Thursday.
Her father, Sumner Redstone, 92, announced his retirement on Thursday. He had announced his retirement as chairman of the family’s other media empire CBS on Wednesday, where he will be replaced by its existing CEO and president Leslie Moonves.