No. 8: Marie Besnier BeauvalotAge: 32
Net Worth: $1.5 billion
Marie, along with siblings Emmanuel, 42, and Jean-Michel, 45, inherited French dairy giant Lactalis, producers of popular Président brie among hundreds of other cheese, milk and yogurt brands.
Marie Besnier Beauvalot is one of the owners, along with her siblings Emmanuel and Jean-Michel, of Lactalis, a dairy giant from France that owns hundreds of brands of cheese, milk and yogurt products. This includes the popular President cheeses.