Leon Metelsky was born in Poole, England and grew up in Bournemouth. He began his ballet training at the Prompt Corner Academy of Dance. In 2013 he went to The Royal Ballet School in London, as of 2021 he continued his training at the John Cranko School in Stuttgart and graduated in summer 2023.
At „The Russian Ballet Awards“ 2019 in London he won the gold medal.
During the 2023/24 season Leon Metelsky is an apprentice with the Stuttgart Ballet.