Ann Leckie is an American science fiction and fantasy author. She is best known for her debut novel Ancillary Justice, which won the Hugo, Nebula, and Arthur C. Clarke Awards in 2014. Her other works include the Imperial Radch trilogy, Provenance, and The Raven Tower. Leckie's writing is known for its exploration of gender, identity, and power dynamics. She has also written short stories for various anthologies and magazines. Leckie is a passionate advocate for diversity in the science fiction and fantasy genres, and her work has been praised for its originality and thought-provoking themes.