James Patrick Vowles is a British motorsport engineer and Team Principal of Williams Racing. Before joining Williams, he was the motorsport strategy director at Mercedes-AMG Petronas Formula One Team. He was also responsible for the Brawn GP race strategy, which was critical to the team's championship-winning 2009 season. He has worked in Formula One for over 20 years, including under the leadership of team principals David Richards, Ross Brawn, and Toto Wolff, and has played a key role in nine Constructors' Championships, eight Drivers' Championships and over 100 Grands Prix wins.