Annaliese has spent most of her life surrounded by stories, both at work as a library manager and at home writing them. She holds an MA in Creative Writing and has worked as a children and Young adult book editor, and has taught creative writing workshops across the UK. She currently works at a global conservation charity.

Annaliese is a keen amateur astronomer and founded an astronomical society in 2013.

In January 2020, Annaliese was shortlisted for the SCBWI Undiscovered Voices 2020 anthology. Her debut middle-grade novel, The Nightsilver Promise was released in 2021, followed but The Doomfire Secret in 2022. 
In 2023 Annaliese's YA debut The Immortal Games was released.