Achilleas Diamantis was born in Athens Greece. He started playing electric guitar at the age of 10 and after a few years he started performing with local Rock Bands.
In 1989 he graduated from “Papantonopoulou Sound Engineering School”.
In 1992 he graduated for MI (Musicians Institute) Hollywood California ,GIT (Guitar Institute of Technology) courses with teachers top class famous musicians, such as, Scott Henderson, Frank Gambale, Don Mock and Joe Diorio. He returned to Greece and started his music carrier as session guitar player, collaborated with local Pop Stars, Stefanos Korkolis, Anna Vissi, Sakis Rouvas, Elena Paparizou, Elli Kokkinou, Dimitris Mitropanos, Despoina Vandi, Pegi Zina and many others. He participated, as session guitar player in more than 100 CD’s and also made hundreds of personal appearances in concerts and TV shows in Greece and worldwide as well.
In 1999 he formed his first Jazz-Fusion band “Confusion” where he produced 4 CD’s distributed worldwide, collaborated with Grammy Nominated bassplayer Ric Fierabracci and played in concerts all over the world.
In 2005 he start teaching modern guitar in “Art Music School” of George Fakanas and privately.
In 2008 he formed the Rock band “Null” where they recorded their first CD a year after.
In 2011 he was hired as music Supervisor and performer, in MEGA Channel’s TV music show “Just the two of us”.
In 2013 he recorded his album “Achilleas Diamantis Loaded”.
From 2012 he is producing several projects from rock to pop ,jazz ,fusion styles for many artists and bands.
Now is composing music for games and commercials ,playing with his band The Quiz also he is teaching guitar .