Alli Sinclair is a bestselling and award-winning author, screenwriter and producer. Alli is published by Harper Collins and Penguin Random House and her books have been translated into numerous languages.

Alli is currently producing, researching and writing Red Lipstick Intelligence, a documentary inspired by the research Alli undertook to write her novel, The Codebreakers. The documentary was selected for the FACTory pitching showcase at the Australian International Documentary Conference in 2022, resulting in wide international interest and receiving development funding. The Codebreakers novel is currently in development as a dramatic feature film adaptation with Upgrade Productions (USA) and Alli is Executive Producer, Producer, and Researcher. Alli is also Producer, Writer and Researcher for Stephen Fry’s Great Escape, a feature documentary celebrating Georgette Heyer, an enigmatic literary genius who created the Regency genre.