Finn Rausing sits on the board of packaging company Tetra Lavel with his siblings Kirsten and Jörn. Finn's grandfather founded Tetra Pak, which invented aseptic packaging technology. The new packaging made it possible to store beverages like milk and orange juice in cartons instead of glass bottles His late father, Gad, bought out Finn's uncle Hans in 1995 for an estimated $7 billion. With his siblings, Rausing also owns a stake in International Flavors & Fragrances.