Our Organizational Structure

The Ontario Stone, Sand & Gravel Association is directed by elected Officers and a Board of Directors. Association committees, comprised of volunteers, complement the services provided to the membership. The Executive Director and staff handle the routine business affairs of the Association and regularly report to the Board.

Officers

• Chair of the Board: John Mackay, Green Infrastructure Partners Inc. 
• Vice-Chair of the Board: Dwayne McKenzie, Nelson Aggregate Co.
• Treasurer: Mike Andrighetti, Ethier Sand & Gravel Limited
• Immediate Past Chair:  Jim Petrella, Dufferin Aggregates, a Division of CRH Canada Group Inc.
• Executive Director:  Michael McSweeney (ex-officio Board Member)

Active Directors

• Blake Arnill, Seeley & Arnill Construction
• Shannon Burrows, Weeks Construction
• Maurice Guimont, Walker Aggregates and Construction
• David Hanratty, CBM Aggregates
• Frank Kielbowich, Waterford Sand & Gravel
• Robert Mantha, Walker Aggregates and Construction
• Mohamed Mousa, Dufferin Aggregates, a Division of CRH Canada Group Inc.
• Santosh Patel, Sunrock Canada
• Matthew Ruggieri, Lafarge Holcim Canada Inc.
• Ken Zimmerman, Miller Paving

Ex-Officio Active Directors

• Rob Pierce, R.W. Tomlinson

Associate Directors

• John Newton, Austin Powder
• Kim Mullin, Wood Bull
• Brian Sulley, RWDI