Since 1999, he has been closely affiliated with the Sarajevo Film Festival, currently holding the position of its director. Under Marjanović’s guidance, the festival has maintained its status as the foremost film festival in South-East Europe, distinguished for its outstanding programming, robust industry segment, and unwavering support for emerging filmmakers. Beyond his directorial role, Marjanović is a notable producer credited with numerous international award-winning films and local box office successes.