Rosette was born in Bongandanga in 1976. She is married and has five children. After finishing her studies, she worked as a primary school teacher in Basankusu for 15 years. From 2010 to 2013, she was employed by Awely as a puppeteer, delivering awareness-raising and environmental-education activities. She currently volunteers as a puppeteer for GACEBB and is secretary of their Executive Board. She has been principal and administrator at Bongunda primary school, Basankusu, since 2014.