Born in Cambridge in 1996, Billy developed his love for skiing whilst spending the winters in Val Cenis, the French mountain village in the Maurienne Valley, where his parents run a small ski business.
From 2008 – 2011 he attended the College de la Vanoise as part of the Ski Etude section, for promising young skiers in the Maurienne.
Subsequently, from 2011 – 2015, he studied for his Bacallaureat at the Lycee Ambroise Croizat in Moutiers, again in the Ski Etude programme.
In 2012 he competed in his first full season of FIS races and in February 2013 was selected as part of TeamGB for the Winter Youth Olympics in Brasov, Romania.
At the end of the 2013 season, racing as a 16 year old in Meribel, he became the overall British Under 18 Champion, and was selected to be in the British Under 18 Team for the 2013/14 season.
In March 2014 Billy represented TeamGB in the World Junior Championships in Jasna, Slovakia and in April retained his title as overall U18 British Champion by winning the Junior Downhill, Super G, Giant Slalom and Slalom events.
He was part of the British U21 squad for the 2014/15 season, and selected for the World Juniors in Norway, which he missed through injury. He won the British U21 Downhill and Super G titles and came second in the Slalom and GS. He was also second overall in the Men’s Competition.
In 2015/16 Billy was selected for the World Juniors in Sochi, won the British Super G title and chosen for the British Europa Cup Squad.
Selected for World Juniors in Sweden during 2016/17 season, and in the English Championships in Bormio, Italy, he won the Men’s Super G, Alpine Combined and Giant Slalom (GS).
In the British U21 Championships in Tignes, France, he won the Super G and Slalom, and was second in Downhill and GS.
In the British Senior Championships in Tignes, he won the Victor Ludorum trophy for best results by any male or female skier and became the British Men’s Alpine Champion 2017.
Selected for British Europa Cup Squad 2017/18 season.