Alex Papadiamantis was born in Hamburg. He began his violin education when he was 8 years old. He took his soloist diploma with A and won the first prize under the teaching of Stelios Kafantaris.
He continued his studies on music (including piano, harmony, history of music and Counterpoint).
In his early years he took part in several music competitions in Greece and has been awarded with the first prize ("Young Musicians" Athens and "Chamber Music", Salonica). After his degree, he attended master classes for chamber music in Greece and abroad (USA), under the instructions of famous violinists like L. Mordkovich and P. Zuckerman.

In 2004 he was a member of Symphonic Orchestra of Greek Broadcasting and Television (ERT) in first violins. Since 2000, he worked as a soloist with the Greek composer and performer Stamatis Spanoudakis and has taken part, always as a soloist, to Spanoudakis albums. He has given concerts all over Greece and Europe. Being a founder of many music ensembles and plays as a leader violin, performing classical music. Since 2005, he has been a member of the Greek epic metal band "BattleroaR".

As a composer he started to play his own music at an early age using his violin and piano. He has composed music for chamber or bigger music ensembles. His compositions are using modern music technology like synthesizers and computers. He likes to experiment with many kinds of music like classical, new age, electronic and metal. His music, which is a combination of acoustic physical organs, electric violin and electronic sounds, composed for films, plays, dramas, poems diction and television commercials. His ideal composition is when pictures or scenes are combined and injected in music He is the owner of three violins. The acoustic one is Joannes Baptista Zanolli of 1780, the 4string electric violin was made by Andy Holliman in UK and his prototype 5string electric violin was made by Nikolas Bras in Greece.