Marko Ševarlić completed his primary education in Čačak (Serbia) under the guidance of Aleksandar Popović, then he completed his further musical education in Kragujevac with Professor Vojin Vasović. He continued his bachelor's degree in Spain at the Musikene San Sebastian with Professor Iñaki Alberdi and after that he completed his master's degree and master classes in Germany at the Hochschule für Musik Würzburg with Professor Stefan Hussong. Specializing in the development of new repertoire in chamber music, he continued his studies in France at the CNSMDP in Paris under the guidance of Professor Kang and obtained his master's degree in chamber music in Germany at the Munich University of Music under the direction of Professor Dirk Momertz.

As a soloist and member of the duo "Jeux d'Anches", Marko Ševarlić has been honored with numerous awards, including first prizes at international accordion and chamber music competitions such as the Juventudes Musicales de España, Pula Accordion Competition Coupe Mondiale, Trophée Mondiale, Castelfidardo and Klingenthal. His first prize at the "Arrasate Hiria" competition in Spain is especially impressive.

His international concert activity is characterized by participation in renowned festivals throughout Europe and in concert halls around the world - from Armenia to Russia and Japan. Marko has also led seminars for advanced students in Spain, Slovenia, Serbia and Germany.

In addition to his successes as a concert performer, Marko Ševarlić is actively involved in the creation of a new accordion repertoire. He worked with famous composers such as Verdu, Fedele, Goebbels and Torres and collaborated with talented young composers such as Onishi, Ginzel, Bona, Quintana, Majkusiak and Babajanian.

His students in Munich have been awarded laureate titles at major national competitions such as Jugend Musiziert and Akkordeon-Preis in Germany, as well as at international competitions in Pula, Prague, Graz, Castelfidardo, Klingenthal and Coupe Mondiale. They have received grants from various foundations, including LiveMusicNow in Munich, and have performed with renowned orchestras such as LJAO Bayern and the German Federal Youth Orchestra, both at festivals such as the Arosa Chamber Music Festival in Switzerland and the Pan Tonale in Berlin.

From November 2022, Marko Ševarlić teaches as a professor at the Music Academy MUSIKENE in San Sebastian.