Juliette Roos was born into a musical family and started playing the violin at 5, winning her first prize at the age of six. In 2012 she reached the string final of BBC Young Musician of the Year and was awarded the Walter Todds bursary. In 2015 she was a prizewinner and awarded the Special Prize for the best interpretation of a virtuoso piece at the Kloster Schöntal Violin Competition.
Juliette graduated from HEMU, Lausanne (Site de Sion), Switzerland in 2016. She returned to London for her Masters degree at Guildhall School of Music & Drama where she has won a full Scholarship Award as well as a generous Post Graduate Study Awards from The Countess of Munster Musical Trust and the 2017 Parikian Scholarship Award.