Agnieszka Kosińska is a Kraków-based writer, essayist and editor, born 1967 in Dębica, Poland, and graduated in Polish language and literature from the Jagiellonian University in Kraków.

From 1996 to 2004 personal secretary and cooperator of Czesław Miłosz, a famous Polish writer and a Nobel Laureate (1980). Also, she acted as a representative of the literary rights to his work in Polish and other languages in years 1996 – 2016. Since poet’s death in 2004 until June 2016 she was a custodian of his apartment and archives in Kraków. At that place between 2005 and 2016 she organized a series of open-access educational lectures on poet’s life and work; co-authored as well the exhibition Czesław Miłosz Life and Work 1911 – 2004. Kraków – Lipsk 2005, presented in Poland and Germany.

Kosińska is the editor of Czesław Miłosz Wiersze ostatnie (Last Poems, Znak, Kraków 2006; Last Poems translated by Anthony Milosz were published in: Czeslaw Milosz: Selected and Last Poems: 1931 – 2004, Ecco 2011), prepared mostly from manuscripts, and of his novel Góry Parnasu. Science fiction (Parnassus Mountain. Science fiction, Krytyka Polityczna, Warszawa 2012), first published posthumously with her commentary Prorok Nowego Świata (A Prophet of a New World). She also compiled and forwarded a selection of the Nobel prize winner poetry, Czesław Miłosz. Antologia (Anthology, Hachette, Warszawa 2012).

Her own books: Czesław Miłosz. Bibliografia druków zwartych (Czeslaw Milosz. A Bibliography of non-serial Publications, Kraków – Warszawa 2009, 888 pages, the first complete Miłosz international bibliography, with collaboration of Jacek Błach and Kamil Kasperek); Rozmowy o Miłoszu (Conversations on Milosz, Świat Książki, Warszawa 2010).

So far her most significant book on the Nobel laureate is Miłosz w Krakowie (Milosz in Kraków, Znak, Kraków 2015).

Kosińska has originated a methodology of Czeslaw Milosz international bibliography and for many years up till now has been preparing in detail a project of Milosz life and works’ chronology. Recently she is also getting ready for printing an autobiography by Joanna Miłosz – Piekarska, a daughter of Andrzej Miłosz, poet’s brother.

Simultaneously she is working on collection of her own short literary forms such as aphorisms and haiku. Some of them has been published in Księga przyjaciół. Dla Barbary Toruńczyk (Friendsbook. For Barbara Torunczyk, Zeszyty Literackie, Warszawa 2016).

Her research and essayistic texts has been translated into Belarusian, Bulgarian, Catalan, English, German, Italian, Lithuanian, Russian and Serbian.

Mother of Mikołaj Jodliński, an actor.