When Philippe Bélanger was nine years old he was named official organist at Saint Paul's church in Aylmer, Quebec, his native city. He studied organ with Monique Gendron at the Conservatoire de musique du Québec à Hull and with John Grew at McGill University. Philippe Bélanger furthered his musical studies through master classes with Marie-Claire Alain, Daniel Roth, and Ludger Lohmann. He has held posts as organist in the Ottawa region, at St-Rémi and at Notre-Dame Cathedral Basilica and, in Montreal, at Saint Matthias' Church in Westmount, at the Presbyterian College, and at the Maison mère des sœurs grises.
In November 2002, when he was still only 27 years old, Philippe Bélanger won the competition to become the official organist at Saint Joseph's Oratory in Montreal. He gives regularly recitals in Canada, the United States, and France. He has been heard on CBC and Radio-Canada, and has recorded for the National Film Board of Canada. In 2001, he won first prize in the John Robb Organ Competition of the Royal Canadian College of Organists and, in 2002, first prize in the Ligue d’improvisation à l’orgue.
Philippe Bélanger is also known for his love of organ building. He is currently artistic director of the organ manufacturing company Les Orgues Baumgarten.