His first short film, the 8-minute Luang Ta (Old Monk), was shown at many film festivals, including the Thai Short Film and Video Festival, the Clermont-Ferrand International Short Film Festival, the Singapore International Film Festival and the Pusan International Short Film Festival. It won the Best Director and Best Thai Short Film awards at the Bangkok Film Festival in 2001.
Parkpoom's second film, In the Eyes, a 14-minute short about a boy's first sexual experience, was also featured at many festivals, including the Asiexpo in Lyon, France, the Puchon International Fantastic Film Festival, the Pusan International Film Festival, the Canadian World Wide Short Film Festival, Flickerfest in Australia and the Solothurn Film Festival.
The two teamed up again in 2007 for Alone, which also was a box-office hit and played at many film festivals, including the 2007 Bangkok International Film Festival, where it was in competition for Best ASEAN Film.
Both Shutter and Alone have been optioned for remakes in the United States.