Toto Wolff. is an Austrian motorsport executive, investor and former racing driver. He is the team principle and the CEO.

As an investor, Wolff founded Marchfifteen in 1998 and Marchsixteen Investments in 2004, initially focusing on Internet and technology companies. He specialises in strategic investments in medium-sized industrial and listed companies, which have included Williams F1and German HWA AG.

In January 2013, Wolff left Williams F1 to become an executive director of the Mercedes AMG Petronas Formula One Team with his business partner Rene Berger becoming non-executive director. In addition to joining the team as managing partner, he also acquired 30% of Mercedes-Benz Grand Prix Ltd, with a further 10% held by Niki Lauda and 60% by the parent company.

As co-owner of both Williams F1 and Mercedes Grand Prix, Wolff celebrated numerous podiums and successes for both teams, such as a 1–2–3–4 finish at the 2014 Austrian Grand Prix in Spielberg, Austria in his 'home race', as well as at Monza, Italy, in both Qualifying and Race classifications.