Simone Sello is a guitarist, composer, music producer, filmmaker and music journalist, known for his work with the Sanremo Festival Orchestra, Chicanery, Billy Sheehan, Aaron Carter, Disney, Hannah Montana, Vasco Rossi and Warren Cuccurullo; and as a journalist for the magazines Chitarre, Strumenti Musicali, Accordo.

His musical upbringing is based on classical violin, and his influences include classical and jazz artists (Bach, Ravel, Miles Davis, Weather Report), pop and rock acts (Beatles, David Bowie, Pink Floyd, Metallica, Lucio Battisti), and experimental ones (Luciano Berio, Brian Eno, Terje Rypdal, Klaus Schulze).

Simone began his professional career in his hometown Rome, and eventually became known on a national level. While building a long list of collaborations, he started writing for music magazines, achieving a different kind of exposure.

In 1997 he moved to Los Angeles, and has been releasing some of his works as SimoneX.