David Castro-Balbi began playing the violin at the age of five. He graduated from the Conservatoire National Supérieur de Musique et de Danse de Paris (class of Svétlin Roussev), the Hochschule für Musik Hanns Eisler in Berlin (class of Kolja Blacher) and the Hochschule für Musik Franz Liszt in Weimar (class of Friedemann Eichhorn). He was chosen at the age of fifteen to play with the Académie Internationale de Musique at Victoria Hall in Geneva and at the Théâtre du Champs Elysées in Paris under the baton of Seiji Ozawa in 2009. Castro-Balbi received several 1st prizes at many national and international competitions. He won 1st prize at the Young Artist Competition in Colorado, the Mirecourt International Violin Competition, the International Louis Spohr Competition for Young Violinists in Weimar, the Bacewicz Chamber Music International Competition in Łódź, among others. He was a soloist with the orchestra of Theater Gera-Altenburg. Since March 2021 he has been a guest soloist with the Staatskapelle Weimar. David Castro-Balbi frequently appears in a trio with cellist Alexandre Castro-Balbi and pianist Lucas Debargue. He plays a violin made by Giovanni Battista Guadagnini (1690), which once belonged to Louis Spohr.