OSSGA Update: Mike McSweeney Concludes His Tenure as Executive Director

After years of dedicated leadership and service to the cement, road building and aggregate industry, OSSGA Executive Director Mike McSweeney will conclude his time with the association effective Nov. 14, 2025.

“Mike has made an indelible impact on OSSGA by strengthening the industry's standing with government and developing a strategy that will protect and guide our industry for years to come,” said OSSGA Chair John MacKay. “Beyond Mike's professional achievements for OSSGA, he has been a friend, mentor and a source of wisdom to me personally. It has been a privilege to work alongside Mike, and I'm grateful for the time and lessons he has shared.”

Reflecting on his tenure, Mike said: “It has been an honour to work with OSSGA's dedicated board of directors and talented team over the past two years. Together, we have advanced a successful strategy that highlights the essential role stone, sand and gravel play in Ontario's construction supply chain, while rebranding and refocusing our efforts at Queen’s Park and with municipalities. With strong leadership, new team members and a clear path forward, I am confident OSSGA is well-positioned to continue this important work.”

On behalf of the board, John extends his appreciation to Mike for his outstanding commitment and contributions to the aggregate industry, and invites all OSSGA members to join in wishing him every success and happiness in the years ahead.