Réjean Poirier studied with several distinguished teachers at the Montreal and Toulouse conservatories, including Bernard Lagacé, Kenneth Gilbert and Xavier Darasse. He was awarded First Prizes in organ and chamber music and won, at the end of his studies, First Prize at the J .S. Bach International Competition in Bruges. On returning to Montreal in 1974, he founded, together with Christopher Jackson and Hélène Dugal, the Studio de Musique Ancienne de Montréal, and acted as its joint Artistic Director for nearly fifteen years.
Dean and professor at the Faculty of Music of the Université de Montréal, Réjean Poirier pursues an international concert career as an organist and harpsichordist.