Alexandre Arnault, Bernard Arnault’s 32-year-old son, will join Guiony as deputy chief executive at Moët Hennessy from the start of February. Alexandre Arnault has spent the past few years in the US as a senior executive at jeweller Tiffany, which LVMH bought for $15.8bn in 2021.

LVMH owner Bernard Arnault has given his son Alexandre, who has links with the Trump family, the job of helping to turn around the group's wine and spirits business, a task that could be more difficult if the new U.