In 2001 he graduated in Cinematography at the Faculty of Radio and Television, University of Silesia in Katowice. In 2014 with his work entitled "The obsession with death in the images of my documentary cinema" he defended his doctoral degree in film studies and is now a lecturer at the Faculty of Radio and Television.
Cinematographer for many significant works of contemporary Polish cinema, twice winner of the award for cinematography at the Polish Film Festival in Gdynia and the Bronze Frog at Camerimage. A member of the Polish and European Film Academy. He is also a director of documentary and feature films for which he writes screenplays and does the film editing himself.
After the execution of two student short films, already in 1999, he made his directorial debut film “Takiego pięknego syna urodziłam”, the document on the relationships in his own family. The film was awarded at festivals in Berlin, Krakow, Kazimierz Dolny and Nyon. Further films of Koszałka were repeatedly awarded, among others, in Karlovy Vary, Leipzig, Krakow, Tampere, Teheran, Trento.
Most popular films are: „Istnienie”, „Śmierć z ludzką twarzą”, „Cały dzień razem”, „Do bólu”, „Ucieknijmy od niej”, „Deklaracja nieśmiertelności”, „Zabójca z lubieżności”. The latter is a documentary that indirectly tells the story of a serial killer from Bytom, and was the inspiration for his debut in feature film. That is how the artistic thriller "Czerwony pająk" was realized, which was warmly welcomed at the festivals in Karlovy Vary, Arras, Cairo, Chicago, Haifa, Wiesbaden and, after the cinema premiere in Poland, it enjoyed critical acclaim of the environment and the audience yearning for a successful artistic cinema with the genre affiliation.
"Czerwony pająk" received, among others, awards at festivals in Arras and Cairo, prize for directing in Wiesbaden and nominations to the prizes of the Society of Cinematographers and the Polish Film Academy Orły in 2016.