Maressa holds a degree in Classics with an emphasis in Language and Literature from UC Santa Barbara and is completing a Master of Creative Writing at the University of Auckland under Paula Morris.

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Her first novel, When Shadows Grow Tall, was published by Roundfire Books in 2024, and her short fiction has appeared in Trollbreath Magazine and Moonday Magazine. An alumna of Cat Rambo's Wayward Wormhole workshop, she divides her time between Auckland and Santa Barbara.

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She is represented by Veronica Goldstein at DCL.