Leah Thiessen lives and paints in Northern NSW, and her work is a direct response to the bush, beaches and mangroves that surround her home.
Thiessen has been a finalist in the John Leslie Prize (2020), the Glover Prize (2020), the Clayton UTZ Art Award (2019), the Gosford Art Prize (2019), the Calleen Art Award (2019, 2016, 2015), the John Leslie Art Prize (2018, 2016) the Pro Hart Outback Art Prize, and the Paddington Art Award among others.
She has exhibited nationwide since 2010. Her work is in the Arthur & Suzie Roe Collection.