Red Bull F1 adviser Helmut Marko retires after successful 20-year stint

Austrian key to Vettel and Verstappen world title wins‘Now is the right moment,’ says influential 82-year-oldRed Bull’s influential auto racing adviser Helmut Marko is retiring from his role at the age of 82, ending a 20-year stint in which he helped Sebastian Vettel and Max Verstappen develop into four-time Formula One world champions.Marko’s departure leaves Red Bull without the two main guiding personalities from its 2005 entry into F1 after the team principal Christia