Horner was relieved of his duties as Red Bull F1 CEO on Wednesday in a shock announcement. The 51-year-old won six constructors’ and eight drivers’ titles with the team but fell out with sections of senior management towards the end of his tenure.

The Formula 1 world had some stunning news Wednesday as Oracle Red Bull Racing fired Christian Horner, who had been the team principal for the past 20 years and had been the man in charge of some legendary championship runs in the sport. Taking over for Horner will be Laurent Mekies.

Red Bull Racing announced Wednesday that CEO Christian Horner is departing the team after 20 years at the helm.