Born in Ulaanbaatar, Purevdash excelled at maths and physics in her youth and earned a scholarship to a prestigious high school, where she joined the drama club.
[1] She won another scholarship to study filmmaking at the J. F. Oberlin University in Japan.
[1] Her first short film Over the City, Under the Sky (2010) won the Cinema Club Award from the West Tokyo City Film Festival.
In March 2024, the film won both the Grand Prize and the Cineuropa Prize at the 39th Mons Love International Film Festival in Mons, Belgium.
[4] A Sight and Sound review said her first film showed "great ambition and promise".