Bernard Arnault, CEO of the world's largest luxury goods company LVMH, overtook Elon Musk as the world's richest person with a net worth of $171 billion. The 73-year-old French businessman's LVMH controls brands like Louis Vuitton, Christian Dior, Sephora, Tiffany, Bulgari, Princess Yachts, and spirits venture Moët Hennessy. He graduated from the elite engineering school École Polytechnique.