Mischa Merz has worked as a journalist and author of fiction and creative non-fiction since the mid 1980s. In 2011, her latest book The Sweetest Thing – A Boxer's Memoir,
was published in the United States by Seven Stories Press.

Her book Bruising about her experiences learning to box, was published in Australia to critical acclaim by Picador in 2000 and was shortlisted for the Dobbie Award. It was re-issued by Vulgar Press in early 2009 with additional updated material.

In 2002 her essay 'Body Blows - Sport and the Threat of Female Muscularity', was included in the Overland Lecture Series, presented at Trades Hall and published in Overland 166.

Her short fiction has appeared in Meanjin, Island, Torpedo, Overland and the Cardigan Press Anthologies Normal Service Will Resume and Allnighter, her Story 'The Wrong Piece of Driftwood' was runner up in the 1998 HQ Short Story Competition.

Her journalism has appeared in The Age, The Sunday Age, the Herald Sun, Inside Sport and various magazines and specialist publications.

She is the 2001 Australian Amateur Boxing League women's welterweight champion, the 2009 US Masters Golden Gloves Champion, the 2009 Ringside World Masters champion and the 2009 Georgia Games Masters Champion.