Red Bull team principal Christian Horner has been fired after 20 years with the team, a team spokesperson told CNN Sports on Wednesday.

Longtime Red Bull team principal Christian Horner has been fired after a 20-year stint that included eight Formula 1 drivers’ titles.

Red Bull’s termination of Christian Horner has sent shockwaves throughout the world of Formula One. A formidable presence in the sport, Horner had helmed Red Bull Racing throughout its rise and dominance.