Marianne de Pierres was born in 1961 in Australia. She is a science fiction author. She did her undergraduate studies at Curtin University in Perth and later studied a Postgraduate Certificate of Arts in Writing, Editing and Publishing at the University of Queensland. She has been actively involved in promoting Speculative Fiction in Australia and is the co-founder of the Vision Writers Group, and ROR wRiters on the Rise, a critiquing group for professional writers. In 2004, her series of novels with the protagonist Parrish Plessis,[2] a postapocalyptic bodyguard and bounty hunter, was published in the United Kingdom through Orbit Books.The novels in this series include Nylon Angel, Code Noir, and Crash Deluxe and have been adapted into a role-playing game.[3][4] Her second series, Sentients of Orion comprises four books: Dark Space, Chaos Space, Mirror Space and Transformation Space, published in the United Kingdom through Orbit Books.[5] Transformation Space won an Aurealis Award for Best SF novel in 2011. In 2014, Angry Robot Books published her Peacemaker urban fantasy, crime, Western series. Her title Peacemaker won the Aurealis Award in 2014.