Jan Hage (1964) had his first organ lessons from Kees van Eersel, whereafter he studied musicology at Utrecht University, organ (with Jan Welmers) and music theory at Utrecht Conservatory, and church music at the Nederlands Instituut voor Kerkmuziek. He earned diplomas for music pedagogy and music performance (with an annotation for improvisation) and the Praktijkdiploma Kerkelijk Orgelspel, all of them cum laude, the diploma for music theory and the title of doctorandus (master) in Musicology. For a period of two years he studied, withe help from the French government, at the Conservatoire National de Région at Boulogne-Billancourt near Paris: organ (with André Isoir), composition, electronic music composition, and orchestration. His organ study was rewarded withe the Premier Prix à l.unanimité du Jury.
He won first prizes in the Nationaal orgelconcours voor conservatoriumstudenten at Leiden (category 20th century), the Nationaal Orgelimprovisatieconcours at Bolsward, the Concours Suisse de lÓrgue at Schaffhausen, and the Premier Concours de l'interprétation de Musique Classique at Poitiers.
In 2006 he was decorated with the silver medal of the Société Académique 'Arts-Sciences-Lettres' in Paris.

Jan Hage gives many concerts in Holland and abroad. and is also active as a composer. In 1995 he was appointed organist of the Kloosterkerk in Den Haag.