Charismatic composer of the new generation. He composes works with different directions and quests, creating a puzzle that unifies them all. ''Music is, like Nature, a superset. It contains infinite combinations of meanings and does not have limited semiotic interpretations like the images used to accompany it.''

Along with his studies at E.M.P. National Technical University as a Topographic Engineer, Rosopoulos studied classical guitar, advanced theories, music for the theater and the cinema, jazz theory and improvisation.

His compositions include works for ensembles, string orchestra, opera, chamber music, songs. Furthermore, he has composed theatre, film, music for advertisements and he has done numerous orchestrations and arrangements for recordings, concerts, theatre and film productions.

From 2003 to 2015 he worked at the Greek National Radio and Television Organization as Radio Third Programme assistant manager, as Radio Orchestras consultant of artistic affairs, and as Radio Head program and production assistant manager. 

From July 2020 to April 2022, he was Director of the Musical Ensembles of ERT consisting of the National Symphony Orchestra, the Contemporary Music Orchestra and the Choir.

Among the most recent performances of his works are the symphonic poem for orchestra 'Pan o Megas tethnike' {KOA-2021}, the musical fairy tales for narrator and orchestra 'The King and the Dragon', 'The Neroloudo' (The waterflower), 'The Brave Boy and the Dragon of the Well', 'A Dream with a Red Cap', 'The Spell of Halloween' {Roof of the Onassis Foundation – Camerata / KOA/ Ventus ensemble – 2013-2020}, the work for orchestra and mezzo soprano 'The Visit' {Roof of 2017 , based on the painting of the same name by G. Rorris}, the song cycles 'False Suns', 'The Pure and the One' {Roof 2016-2017 – poetry W. Müller, H. Heine performed by D. Kapsalis} – all of the above commissioned by the Hellenic Plan. He also wrote music for the theatrical monologue 'I Rimada I zoi' {Athens Festival 2016 - M. Mavromatakis, G. Koropoulis}.

Upon commission by the Greek National Opera, he composed the opera 'I Kerenia Koukla', based on the novel of Konstantinos Christomanos, and libretto by Yiannis Svolos, where it premiered in March 2019.

Published among others, 'Beauty that blooms', 'The Triad Method' {ypsilon editions, in texts-translations by G. Koropoulis}, ‘Prefiguring a glance’, Laceworks {transcriptions for guitar, Korina Vougioukas}