Dion Ritten acquired his musical degree at the Maastricht Conservatory in the Netherlands. He continued studying choral conduction and finished this study at the Staatliche Hochschule für Musik Rheinland Grenzland in Aachen, Germany. Next he studied orchestral conduction with professor Louis Weemaels, former renowned conductor of the National Orchestra of Belgium. Since then Dion Ritten has conducted many choir-orchestra concerts, among others productions with the participation of the Limburg Symphony Orchestra, the Kerkrade Symphony Orchestra, the Tegelen Symphony Orchestra, the Chamber Orchestra Musica Mosa and many others. He regularly works together with famous soloists, instrumentalists and ensembles. At the moment Dion is conductor of Weerter Gemengd Koor Vivace, Koninklijke Zang Vereniging Nijmeegs Mannenkoor, Kamerkoor Limburg, Koninklijke Roermondse Zang en Muziek Vereniging, Kamerkoor Cantate Venlo en Mannenkoor Beeker Liedertafel.
Dion Ritten is the founder and artistic director of the biennial Cantarode International Choir Festival & Competition in Kerkrade. For the first time it took place in 2014 and it is to become one of the most prestigious choral festivals in Europe. Nationally and internationally he is a popular member of the jury at competitions and workshops (festivals in Europe, Choralies France and World Symposium).
He regularly takes part in several international symposia and workshops in the field of choral singing, particularly in Belgium, Germany, the Czech Republic, the USA and Japan, where he also gives concerts with his choirs.
Dion has won national and international awards with several choirs: he won the Dutch Choir Festival and was pricewinning in the prestigious International Kammerchor Wetttbewerb Marktoberdorf in Germany.
Dion Ritten is an active member of the International Federation for Choral Music, FCM, the American Choral Directors Organization, ACDA, and the Federation of European Choirs, Europa Cantat.
In 2018 Dion Ritten was honored for his social merits in the music on behalf of the King of the Netherlands with a knighthood in the order of Oranje Nassau.
Since August 1 1984 he is the first conductor of mixed choir Vivace.