Stone made his debut in the 2006 Windsurf World Cup . In 2011 he achieved his first podium place behind Philip Köster and Daniel Bruch at the event in El Médano ( Tenerife , Spain ) . After not taking part in the PWA World Tour for two years , he was able to celebrate his greatest success so far in 2015 with 3rd place in the overall classification. In the following years he was also able to place himself among the top ten waveriders in the world. In 2019 he won his first World Cup victory in the competition on Tenerife ahead of Victor Fernandez and Philip Köster.