Annmarie Sairrino is an American film producer, development executive, and CEO of AMMO Entertainment. She is known for developing and producing film projects based on existing Japanese intellectual properties, including the horror film adaptation Room 203 and the dramatic thriller Root Letter. Sairrino began her career in the entertainment industry in 2003 working with film producer and consultant Sandy Climan at his firm Entertainment Media Ventures. In 2012, she joined All Nippon Entertainment Works (ANEW) and served as senior vice president of development and production. In 2017, with her colleague Moeko Suzuki, she established Akatsuki Entertainment, a division of Japanese mobile game developer Akatsuki Inc., and ran the company's American branch in Los Angeles while serving as CEO and as a board member of Akatsuki. In November 2018, she announced her first produced project, the video game adaptation Root Letter, which was produced in 2019, completed in 2020, and acquired for distribution by Entertainment Squad and released in 2022. She followed this with a second feature, the horror film Room 203, which was produced in 2020, acquired for international sales by Voltage Pictures and for domestic distribution by Vertical Entertainment, and released in 2022. In September 2020, Sairrino established AMMO Entertainment, a production company which has assumed responsibility for Akatsuki Entertainment's completed films, and which will continue to develop film and television projects adapted from Japanese-originated sources, intellectual properties from other Asian territories, and original concepts and true stories in the horror and thriller genres.