After his graduation in 2009, Kai started his career in filmmaking by working with GTH and GDH the acclaimed film studio in Thailand, he wrote two feature film scripts; “Suckseed” and “May Who?” which are both well received in box office and film festivals all across Asia.

In 2015, Kai decided to pursue his master's degree in Social Documentary Film at School of Visual Arts, New York. His short documentary “Alex” was shortlisted for the 2017 BAFTA Student Films Awards. 

His first feature doc "2,215" won several major film awards in Thailand and it is currently screening on Netflix (global).

His second feature "Come and See" is officially selected for the Wide Angle Documentary Competition at Busan International Film Festival 2019.

In 2019, he found underDOC, a Bangkok-based production company focusing on non-fiction work. His latest work as scriptwriter and co-director for "One for the Road", a feature film produced by Wong Kar-Wai is selected in competition at Sundance Film Festival 2021.