Born in 1989 in London, Jun Sasaki studied at the Junior section of Guildhall School of Music and Drama until the age of 13, when he was accepted at the Yehudi Menuhin School where he subsequently studied with Louise Hopkins and Thomas Carroll. He currently continues his studies with Thomas Carroll at the Royal College of Music where he holds a scholarship.

Jun has performed across Europe as both soloist and chamber musician in venues such as the Wigmore Hall, the Queen Elizabeth Hall, St John's Smith Square, the Elgar Room Royal Albert Hall, Cheltenham Town Hall, Cadogan Hall and Clarence House in the UK, Casa da Música in Portugal, and the Chateau de Sallenoves in Switzerland, and has appeared at festivals such as the Edinburgh Fringe, Lake District, Victor Hugo and Leicester Music Festival festivals in the UK, the Schleswig-Holstein and EuroArts in Germany, the Stift Festival in Holland, and the HARMOS Festival of Portugal.

A winner of various prizes and awards, including 2nd prize and special award at the 'Antonio Janigro International Cello Competition' in Croatia (2006), and the 'Anne Shuttleworth Prize' at the Royal College of Music (2009), he was awarded the coveted 'Royal Overseas League Competition String Prize' in 2010. He is also the recipient of several scholarships in support of his studies, including the 'Geoffrey Shaw Scholarship' from the Musician's Benevolent Fund (2007), a 'Pierre Fournier Award' grant and the 'Martin Scholarship Fund' (2010). Jun has also featured on radio and television on programmes such as ITV's 'Britain's Brilliant Prodigies' (2003) and the 'BBC Young Musician of the Year' competition (2008) where he appeared as a string category finalist.

Jun has taken part in numerous masterclasses where he has found inspiration from masters of the cello such as Garry Hoffman, Frans Helmerson, Steven Isserlis, Ralph Kirshbaum, Heinrich Schiff, Natalia Gutman and Raphael Wallfisch. Jun was also accepted as an active participant at the Kronberg Cello Festival in October 2008 with Bernard Greenhouse.

A keen chamber musician, he has performed alongside distinguished artists such as Steven Isserlis, Natalie Clein, Alexander Baillie, Priya Mitchell, Nicholas Daniel, Alexander Sitovetsky, Guy Ben-Ziony and Daniel Rowland – and also performs regularly with guitarist Jadran Duncumb as Duo DixCordes.

He currently performs on a 1610 Amati cello, kindly loaned to him by the Royal College of Music.