A grandson of Ferdinand Porsche, Piëch started his career at Porsche, before leaving for Audi after an agreement that no member of the Porsche or Piëch families should be involved in the day-to-day operations of the Porsche company. Piëch eventually became the head of Audi, where he is credited with evolving and growing Audi into a competitor to equal Mercedes-Benz and BMW, thanks in part to innovative designs such as the Quattro and 100. In 1993, Piëch became the chairman and CEO of Volkswagen Group, which he is credited with turning into the large conglomerate it is today; He oversaw the purchase of Lamborghini and Bentley, as well as