Nattawut "Baz" Poonpiriya (Thai: นัฐวุฒิ พูนพิริยะ, born 1981) is a Thai director, working extensively on television commercials and music videos, but best known for the thriller films Countdown and Bad Genius. Nattawut graduated Master of Fine Arts in stage directing from Srinakharinwirot University. After graduating, he worked mainly on television commercials for three years before moving to New York to study graphic design at Pratt Institute. He returned to Thailand in 2011, and worked as a ...