Bangjong Pisanthankun graduated in 1999 from Chulalongkorn University in Bangkok, where he majored in film.

He directed a short film, Plae Kao, which was a finalist for best picture and best screenplay in the Click Radio comedy short film competition in 2000.

Bangjong's first feature film, Shutter, with a story about ghost images in photographs and a haunted photographer (portrayed by Ananda Everingham), was the biggest box-office hit in Thailand that year, and also a hit in Singapore, Malaysia, the Philippines and Brazil.

[3][4] In 2021, he directed The Medium, a co-production between Thailand and South Korea.

It was a commercial success in South Korea and received generally positive critical reviews.