Complex sentence: When his father died in 1995, Lévy became the manager of the Becob company, until it was sold in 1997 for 750 million francs to the French entrepreneur François Pinault.
Split into simpler sentences: When his father died in 1995, Lévy became the manager of the Becob company. He sold it in 1997 for 750 million francs to the French entrepreneur François Pinault.