David Castro-Balbi began playing the violin at the age of five. He graduated from the Conservatoire à Rayonnement Régional de Paris (class of Larissa Koloss), 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.
He took several 1st prizes at many national and international competitions. He won 1st prize at the Young Artist Competition in Colorado (USA) and at the Mirecourt International Violin Competition. He also became a prize-winner and received the audience award at the international Jeunesses musicales de Belgrade competition. He won the 1st and four special prizes at the International Louis Spohr Competition for Young Violinists in Weimar in 2013. In chamber music, he received the 2nd prize and a special prize for the best interpretation of a contemporary work at the International Franz Schubert und die Musique der Moderne competition in Graz (Austria) and the 1st prize at the Kiejstut Bacewicz Chamber Music International Competition in Łódź (Poland).
From 2015-2016 he was a soloist with the orchestra of Theater Gera-Altenburg. Since March this year he has been a guest soloist with the Staatskapelle Weimar. He 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.