[1] On January 29, 2011 Westman created the lead role of Sandy Keith In the world premiere of Bramwell Tovey's The Inventor.
In 2017 he played Sir John A. MacDonald in Harry Somers's Louis Riel for the Canadian Opera Company's tribute to Canada's 150th celebrations.
[2] Westman first came to attention at the age of twelve when he was the first boy soprano to perform and record Mahler 4th Symphony with Benjamin Zander and the Boston Philharmonic Orchestra in 1984.
He attended the University of Toronto Opera Division where he received a Master's degree in Operatic Performance, studying under Lois Marshall and Patricia Kern.
He was a member of the Canadian Opera Company ensemble studio, and studied at the Britten-Pears Young Artist Programme in Aldeburgh, and the Tanglewood Music Center.