Since April 2017, Marinos has been serving as Principal Timpanist of the Greek National Opera (GNO) Orchestra.

Throughout his career, he has collaborated with internationally renowned conductors, including Kurt Masur, Daniel Harding, Teodor Currentzis, and Santtu-Matias Rouvali, performing with distinguished orchestras and ensembles such as the London Philharmonia Orchestra, musicAeterna, Nordwestdeutsche Philharmonie, Bielefelder Philharmoniker, Radio Kamer Filharmonie (Netherlands), and Detmolder Kammerorchester.

His concert appearances have taken him to some of the world’s most prestigious concert venues, including the Tchaikovsky Concert Hall in Moscow, Carnegie Hall in New York, the Kölner Philharmonie, and the Kurhaus Wiesbaden, among others.
He has also collaborated with all major Greek orchestras.

From 2014 to 2017, he held the position of Co-Principal Percussionist and Timpanist with the Symphony Orchestra of the Hellenic Broadcasting Corporation (ERT). Since 2018, he has been teaching at the International Artistic Centre and Conservatory Athenaeum in Athens. He previously served as Assistant Professor at the Hochschule für Musik Detmold and continues to be actively involved in music education through guest masterclasses at both the Hochschule für Musik Detmold and the Hochschule für Musik Würzburg. Beyond his orchestral and teaching activities, he is the founder of the newly established Hellenic Percussion Ensemble. Since 2024, he has also served as Artistic Curator of the annual Percussion Festival of the Greek National Opera’s Alternative Stage.

He is a Grover Pro Percussion artist and has recorded for Sony Classical, as well as for WDR 3 and BR 3 radio.

He began his musical studies in Greece with Konstantinos Vorissis and Konstantinos Theodorakos before continuing his education in Germany at the Hochschule für Musik Detmold (Bachelor of Music, Orchestra) and the Hochschule für Musik Würzburg (Master of Music in Solo Performance).

During his studies, he worked with distinguished professors and artists, including Peter Prommel, Nancy Zeltsman, Fumito Nunoya, Sven Pollkötter, Mark Lutz, and Robert Cürlis. Alongside his formal education, he pursued private timpani studies with Wieland Welzel, timpanist of the Berlin Philharmonic, and Arend Weitzel, timpanist of the Bochum Symphony Orchestra.