Maria-Isabella Marinelli is a dramatic soprano of Italian-Greek origin, born in Marsicovetere (Potenza), Italy, to an Italian father and a Greek mother. She is fluent in Italian, Greek, and English and performs repertoire in French, German, Russian, Greek, and Armenian.

She began her vocal studies in 2008 and pursued academic studies in Education, graduating from the Faculty of Education at the University of Greece.

She continued her musical training at the Athens Conservatory (Odeio Athinon), where she obtained her Diploma in Classical Singing with highest honors, along with diplomas in Harmony and Stage Performance / Melodrama.