Clare Pooley started as an advertiser at J.Walter Thompson who left the workplace on the birth of her third child. After that, in 2015, she began a blog called Mummy was a Secret Drinker, which was about her life following the resolution of giving up alcohol. She used a pseudonym until the announcement of her first book deal in 2017.
Her first book, The Sober Diaries, was about her first year of sobriety, where it also included her successful battle in overcoming breast cancer. In October 2018, her fictional debut, The Authenticity Project, had been a subject of a six-way auction, where Penguin Random House acquired the US rights, and foreign rights sold in 29 other languages. It was published in 2021, and became a New York Bestseller and a winner of the RNA debut novel award.
Her second novel, titled The People on Platform 5 in the UK, and Iona Iverson’s Rules for Commuting in the USA is being published in 2022.