Vitantonio Liuzzi
Vitantonio Liuzzi and Scott Speed were the 2006 race drivers of the STR1, with Neel Jani filling the test/third driver role. Liuzzi had raced part-time for Red Bull Racing in 2005, while Speed entered F1 following the Red Bull Driver Search in the United States. Jani was the test driver for Sauber Petronas in 2004.