Simplify the following text for a Grade 7 native English-speaking person.
Original: Along with Michael Schumacher , Jean Todt , Ross Brawn and Rory Byrne , Nigel Stepney was part of the colloquial â dream teamâ credited with the change of fortunes of Ferrari in the late 1990s .
Simplified: Nigel Stepney was working at Ferrari with Jean Todt , Ross Brawn and Rory Byrne . Michael Schumacher was their superstar driver .