ユネスコ親善大使
Marin was born in Urleta, Prahova County, Romania. He was the founder in 1963 of the Madrigal Chamber Choir and had been its conductor and director ever since. He was well-known all over the world for his expertise on Renaissance music, Baroque, Gregorian songs and Traditional Romanian music. He was designated a UNESCO Goodwill Ambassador in 1992.