Trojan was born and raised in Tarnowskie Góry and graduated from Łódź Film School in 2009.
[2] He began his career appearing in local stage productions before debuting in Stefan Jaracz Theatre in 2007 and TR Warszawa in 2014.
In 2020, Trojan starred alongside Agata Kulesza in the drama film 25 Years of Innocence, based on a true story about a young man who was falsely accused for rape and was imprisoned for 25 years.
[2] The following year he appeared in the crime drama film Operation Hyacinth on Netflix.
In 2022, Trojan starred in the biographical drama film, Johnny, receiving his second Gdynia Film Festival Award for Best Actor, and was nominated for Polish Academy Award for Best Actor.