Alek Niemiro assisted at the Warsaw "Och-teatr" after completing his high school in 2012. He studied Philosophy and Theater Studies at the Free University of Berlin until 2015. During this time, he assisted at the Deutsches Theater Berlin.  His initial works at the "Sophiensaelen" emerged during his time in Berlin. From 2015 to 2019, he was a permanent assistant director at the Thalia Theater, collaborating with directors such as Ewelina Marciniak, Bastian Kraft, Luk Perceval, Johan Simons, Jette Steckel, and Sebastian Nübling. Some of the evenings he created at the Thalia Theater include: Patrick Bateman - An American Psycho, Peter Weiss/Marat Sade  and The End of Eddy (invited to Theater der Welt-Festival). He won the Start Off competition for young directors at the Lichthof Theater Hamburg in June 2018. In May 2019, his next work at the Thalia Theater, In der Schwebe was produced. He then studied directing at the Mozarteum in Salzburg. In his works, he often explores post-migrant interpretations of classical plays and modern polish authors. Particularly, the Polish-German history of the 20th century and the associated anti-Slavism are specific areas of interest.  His first audiovisual installation was created at Fleetstreet Hamburg in the summer of 2020. In the summer of 2023, he won the Art Prize of the Altonale Hamburg.