Boris made his directorial debut in 2009 where he co-directed Where Got Ghost? with Jack Neo. Prior to his film debut, Boris conceptualised and scripted numerous sitcoms, short films and variety shows with MediaCorp Studios and J Team. In 2007, Just Follow Law, a film that Boris wrote, was nominated for Best Original Screenplay at the 44th Golden Horse Awards 2007. Boris also directed features such as, Aku Tak Bodoh (Malay remake of I Not Stupid 2), Phua Chu Kang The Movie, Greedy Ghost, and Filial Party. In 2017, he directed comedy film Lucky Boy.