Mattie Do is a filmmaker from Laos, known for her work in the horror genre. She gained international recognition for her debut feature film, Chanthaly, which explores themes of love and loss through a supernatural lens. Do's films often incorporate elements of Laotian culture and folklore, making her a unique voice in the industry. Her second feature, The Long Walk, further established her reputation, receiving accolades at various film festivals. Through her storytelling, Do aims to highlight the rich traditions and experiences of her homeland.