Alithéa Ripoll was born on 24 October 1990 in Liège (Belgium). At 17, she was accepted into Michel Fourgon's composition class at the Royal Conservatory of Liège (CrLg). She obtained a Master's degree in didactics in 2014 with great distinction and teaches as an assistant. In 2017, she joined the Centre d'Art Vocal & de Musique Ancienne de Namur (CAV&MA) as an educational manager.
She has been performed at several festivals: Images Sonores (Liege), Klanken Festival (Maastricht), Ars Musica 2014 and 2017 (Brussels), Loop (Brussels), 2 Visages de la Musique Électroacoustique (Brussels), Smetana Festival (Plzen, Czech Republic), Mons 2015, la Semaine de la Francophonie 2016 (Radio France - Paris), Musica Polonica Nova (Wroclaw, Poland), Festival Émulation 2017 (Liège), la BIP[off] 2018 (Liège), Belgian Music Days (Leuven) 2018, Festival Internacional de Musica Contemporánea UC (Santiago, Chili) 2018, ...
In 2015, she received a commission from Radio France to compose and write for the orchestra of young French high school students from around the world and for a choir from a French high school as part of the Semaine de la Francophonie.