Tanya was born in Invercargill, in the deep south of New Zealand, and grew up in rural Southland. She worked as a writer in various media before beginning her first novel, La Rochelle's Road, in 2008. She lives on Banks Peninsula in the South Island of New Zealand with her husband, Ian, and an Irish wolfhound called Spike.


She is the author of three novels, La Rochelle's Road, Anticipation, and The Legend of Winstone Blackhat.