Jean-Sébastien Vallée is a distinguished Canadian-American conductor, also recognized as a scholar and teacher, specializing in choral, vocal, and orchestral repertoire. With a career spanning more than twenty years, he has conducted ensembles across North America, Europe, and Asia, and has collaborated with some of the world’s leading orchestras, including the Chicago Symphony Orchestra, the Toronto Symphony Orchestra, the Orchestre symphonique de Montréal, and the National Arts Centre Orchestra.

Jean-Sébastien is currently artistic director and principal conductor of the Toronto Mendelssohn Choir, one of Canada’s most prestigious and historic choral ensembles, as well as of the Toronto Mendelssohn Singers, its professional chamber ensemble. He is also a full professor at the Schulich School of Music of McGill University, where he serves as director of choral studies and area coordinator of conducting and large ensembles. He previously served as director of choral studies at California State University, Los Angeles, and as a member of the faculty at the University of Redlands.

A passionate advocate for both the great repertoire and contemporary music, Vallée is known for his expressive interpretations, stylistic versatility, and commitment to artistic excellence. His discography on the ATMA Classique label includes Remember (2024), Distance (2021), Requiem (2018, featuring works by Fauré and Duruflé), and Lux (2017), all critically acclaimed and broadcast internationally.

His recent and upcoming engagements include concerts at the Franz Liszt Academy of Music in Budapest, as well as performances with the Québec Symphony Orchestra, the Toronto Symphony Orchestra, and the National Arts Centre Orchestra. In recognition of his outstanding contribution to the musical world, Jean-Sébastien was recently awarded the Grand Diplômé prize by Université Laval.