Honda's gain is Toyota's loss - and that's the case for every other team on the Formula One grid, for that matter.
No team succeeds solely because of one man, but Ross Brawn contributes more than most when he sets out to win races and championships.
Sure, Ferrari still won both world titles this year without him, but there were occasions when cracks showed in the way they went racing. He was missed from both the garage and pitwall.
Ross Brawn at the FIA hearing into the McLaren espionage case © LAT
Brawn's signing on Monday as Honda team principal is exciting news, and here's why. He doesn't need the monumental challenge he faces at woefully underperforming Honda. He is a wealthy man, his reputation as one of the great designer/engineers in motorsport history is secure. But incredibly, Brawn is still hungry. After 30-plus years, he still wants more.