Sunčana Brkulj was born in Zadar, Croatia. In 2016. she started her studies at the Academy of Fine Arts at the University of Zagreb, where she recieved her Bachelor of Arts diploma in 2019., and is currently pursuing the Master of Arts degree.

In 2019., as a BA degree film, she created "I'M NOT FEELING VERY WELL", which was selected for Annecy, Animafest, Anim'est and more than 40 other festivals.
In 2020. Sunčana made "The Tower", which was selected for Annecy, Animafest and OIAF among others. It received three awards, most notably "Best commissioned film" at Linoleum fest in Kiev, Ukraine in 2021.

Both films have been exhibited at the Youth Salon in HDLU Zagreb, the largest and most respectable exhibition of Croatian visual artists under the age of 35.

Sunčana has experience working for Adriatic Animation and Recircle studios in Zagreb.

Besides animation, Sunčana has published comics in the webzine KOMIKAZE and has put on a cycle of solo exhibitions titled "Inferno" between 2018. and 2020.