Stefan M. Mladenovic is a film, television and theatre actor and a film director; born and raised in Serbia; currently living in Madrid; speaks Serbian, Spanish and English fluently.

Stefan graduated from The Faculty of Arts (Serbia) with a BA degree in 2014 and an MA degree 2015 in acting. Furthermore, Stefan graduated in 2022 at Madrid Film Institute acquiring an MA degree in film directing.

He has performed in many theatre plays for both children and adults.

To affirm himself artistically he founded the production company ARTISTADE LA FE in 2016 where, aside from producing, he directs, writes and acts. In an authentic way he creates a dialogue between his work and the spectators within the films.

Stefan's debut was in 2017, with a short film in Spanish, titled “Quiero decirte” (eng. “I Would Like To Tell You”) which was awarded in the same year on Merlinka International Queer Film Festival and has been selected for more than 15 international festivals.

In 2020 Stefan released his half-hour, fiction, short film titled ‘’Lui Lack, tú no tienes la culpa’’ (eng. ‘’Lui Lack, It’s Not Your Fault’’) about child sexual abuse. This project was supported by Embassy of The Kingdom of Spain in Belgrade, Serbia; The Government of Spain, The Ministry of Foreign Affairs, European Union and Cooperation.

In 2020 Stefan was the cover face for a Volkswagen commercial ‘’Stay true’’, the commercial was shot in Belgrade, Serbia.

In 2021 Stefan filmed his first fiction short film in Serbian titled ‘’Boswellia sacra’’ which was inspired by true events and won an award for best short film at Merlinka International Queer Film Festival 2022.

In 2022 Stefan did two more short films, in Spain; ‘’Maricón POP’’ (eng. ‘’POP Fag’’) and "MascotaCupid" (eng. ‘’PetCupid’’). Both were written and directed by Stefan, and coproduced by the Madrid Film Institute. In ‘’MascotaCupid’’ he also plays the leading male role.

Aside from theatre and film appearances he played a part in a Serbian TV series: “Morning Changes Everything”, ‘’Red moon’’, “National Theatre in Ten Chapters”, ‘’Time of Evil’’, etc.

Stefan was also a Jury member in 2019 on 35th Ljubljana LGBT Film Festival and 11th Merlinka International Queer Film Festival.