Myles Sullivan

Myles Sullivan

International Secretary-Treasurer

Myles Sullivan brings more than a quarter-century of union activism to the role of International Secretary-Treasurer.

He assumed the position on Jan. 1, 2025. Sullivan previously served nearly three years as Director of USW District 6, representing more than 75,000 workers and 50,000 retirees across Ontario and Atlantic Canada.  

Born and raised in the northern Ontario gold mining community of Kirkland Lake, he joined the USW in 1995 after taking a job with mining company Falconbridge Ltd. (now Glencore) in Sudbury. He soon became active in the union, taking on roles such as health and safety representative and steward before being elected chair of his 350-member bargaining unit within Local 2020.

Sullivan was hired as a USW staff representative based in Sudbury in 2007. Early in his tenure, he serviced Local 6500 during the members’ 361-day strike against Vale, working with some 3,500 families standing in solidarity against the mining giant. His involvement in the historic, yearlong dispute proved a defining experience in his life and career.

In 2013, Sullivan accepted the role of USW Area Coordinator for northeastern Ontario. He served six years in the position before relocating to Toronto as Assistant to the District 6 Director.  

An ardent proponent of member engagement and education, Sullivan credits many of his successes fighting for workers’ rights to the Steelworkers’ unmatched member-to-member education and training programs.

Sullivan has a passion for working-class political activism. His commitment to social democratic principles includes serving nine years as a vice president of the Ontario New Democratic Party.

Myles Sullivan brings more than a quarter-century of union activism to the role of International Secretary-Treasurer.

He assumed the position on Jan. 1, 2025. Sullivan previously served nearly three years as Director of USW District 6, representing more than 75,000 workers and 50,000 retirees across Ontario and Atlantic Canada.

Born and raised in the northern Ontario gold mining community of Kirkland Lake, he joined the USW in 1995 after taking a job with mining company Falconbridge Ltd. (now Glencore) in Sudbury. He soon became active in the union, taking on roles such as health and safety representative and steward before being elected chair of his 350-member bargaining unit within Local 2020.

Sullivan was hired as a USW staff representative based in Sudbury in 2007. Early in his tenure, he serviced Local 6500 during the members’ 361-day strike against Vale, working with some 3,500 families standing in solidarity against the mining giant. His involvement in the historic, yearlong dispute proved a defining experience in his life and career.

In 2013, Sullivan accepted the role of USW Area Coordinator for northeastern Ontario. He served six years in the position before relocating to Toronto as Assistant to the District 6 Director.

An ardent proponent of member engagement and education, Sullivan credits many of his successes fighting for workers’ rights to the Steelworkers’ unmatched member-to-member education and training programs.

Sullivan has a passion for working-class political activism. His commitment to social democratic principles includes serving nine years as a vice president of the Ontario New Democratic Party.