Mirta Rosenberg was born in Rosario, Santa Fe, Argentina on 7th October 1951. For over ten years now she has been living in the capital, Buenos Aires. She translates poetry from English and French. As a poet, she had her debut in 1984 with the collection Pasajes (Passages). In 2006, her Collected Works 1984–2006 was published under the title El árbol de palabras (The tree of words) by Bajo la luna (Under the moon). This publishing house was managed by Rosenberg’s son and his girlfriend. In 1990, the poet herself took over, changing the name to Bajo la nueva luna (Under the new moon). To earn a living, Rosenberg also works as an ordinary translator, among other things for the Argentinian newspaper La Nación.

Poetry by Rosenberg has been included in various anthologies and translated into English, French and German. Rosenberg has published translations of such writers as Katherine Mansfield, Derek Walcott, Marianne Moore, Hilda Doolittle, James Laughlin, Seamus Heaney and Louise Glück.