Mercedes F1 boss Toto Wolff has replaced Christian Horner as the longest-serving team principal still working in the sport.

Earlier this week, Red Bull made the shocking announcement that Horner had been sacked with immediate effect, with former Racing Bulls boss Laurent Mekies taking up the helm instead.

20 years later and the Brit held another record of being the longest-serving F1 boss, but after his abrupt axe midway through 2025, Wolff now holds that title.

As the sport bids farewell to Horner after 20 years, 14 titles and 124 grand prix wins, here is the updated list of every team principal and how long they have served in the role with their current teams.

F1 Team Principals 2025