Born on 21 December 1935 in Rimgailos, Raseiniai district. Died 15 03 2020 in Vilnius.
In 1954 he graduated from Betygala Secondary School, served in the army, worked for the district newspaper, started a family. In 1964 graduated in journalism from Vilnius University. In 1964-1973 he was a worker of the Central Committee of the Communist Party of Lithuania (CPSU), patron of the press and publishing industry. 1973-1990 - Chairman of the State Committee for Publishing, Printing and Book Trade. Member of the Seimas of the Republic of Lithuania 1992-1996, Minister of Culture 1994-1996. Founder and head of the publishing house Alka since 1997. 1974m. J.Nekrošius participates in the founding of the Society of Friends of the Book and heads it; the Society organises popular annual children's festivals, Lithuanian and international biennials of ex-libris art. Since 1988, J. Nekrošius has been one of the founders of the Lithuanian Children's Foundation and its chairman. He has collaborated in the press since 1952, publishing articles on publishing and printing issues, reviews and memoirs in various publications. He took part in the founding of the literary art magazine "TIPU TAPU" for pre-school and junior school children, and is the head of its creative group. He has published books of poetry in Armenian, Ukrainian, Turkmen, Latvian, Russian. He has written the libretto for the opera "Ave Vita" by V. Klova, the oratorio-mystery "The Bells of Revival", the cantata "The Mighty of the Storm", and song lyrics.