Artistic Leadership

Conducting excellence

The TMC’s artistic leadership team guides the artistic planning for the Choir, leads the Choir in rehearsals and prepares them for appearances with the TSO and other orchestras, and conducts TMC concerts.

Jean-Sébastien Vallée

Internationally recognized conductor, scholar, and pedagogue Jean-Sébastien Vallée was named as the Toronto Mendelssohn Choir’s new Artistic Director on May 31, 2021 following an international search.  In addition to his work as Artistic Director of the TMC, Jean-Sébastien is Associate Professor of Music, Director of Choral Studies, and Coordinator of the Ensembles & Conducting Area at the Schulich School of Music of McGill University, and Director of the renowned choir of the Church of St. Andrew & St. Paul in Montreal. Maestro Vallée will conclude his tenure as Music Director of the Ottawa Choral Society with the 2021-22 season. Prior to his return to Canada, Jean-Sebastien served as Director of Choral Studies at California State University, Los Angeles and was on the choral faculty of the University of Redlands.

In addition to his interest in choral, operatic, and orchestral music, Jean-Sébastien is an advocate for contemporary music, making one of his priorities to premiere and commission works by young composers and program rarely performed repertoire.  He has recorded extensively with the Choir of the Church of St. Andrew and St. Paul.

Read the media announcement.

Read Jean-Sébastien’s full biography.


Simon Rivard, Associate Conductor

Conductor Simon Rivard is looking at the camera and holding a conducting baton. He has brown hair and a beard and is wearing a black turtleneckChoral and orchestral conductor Simon Rivard was named in July 2020 as Associate Conductor. Simon has been serving as RBC Resident Conductor of the Toronto Symphony Orchestra and Conductor of the Toronto Symphony Youth Orchestra since 2018. He led the Choir through the 2020/21 pandemic season, conducting and producing four online full concert programs.  He will work with the Choir as we return to the live stage, conducing the TMC and TSYO in the Choir’s 2021 Festival of Carols concert.

Read Simon’s full biography.





Irene Gregorio, Collaborative Pianist

Pianist and chamber musician Dr. Irene Gregorio was named in August 2021 as TMC Collaborative Pianist. Irene recently returned home to Canada following a 15-year career in California where she was on the faculty of the California State University and served as pianist for the Los Angeles Children’s Chorus, the Gay Men’s Chorus of Los Angeles, and the University of Southern California Chamber Singers, among others. In Guelph, she now serves as the Director of Music Ministry at Dublin St. United Church, and Sessional Instructor of Piano at the University of Guelph.

Read Irene’s full biography.