Upcoming Events
Tuesday, January 22, 2019 at 8:30 AM
OSSGA Aggregates 101 & 201 Mississauga
Register for either training held at the Marriott Toronto Airport Hotel
Thursday, February 28, 2019
OSSGA Aggregates 101 & 201 Ottawa
Register for one or both training held at Golder Associates Office in Nepean
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 CEO and staff handle the routine business affairs of the Association and regularly report to the Board.
Officers
- Chair of the Board: Bill Marquardt, CBM Aggregates
- Vice Chair of the Board: Quinn Moyer, Nelson Aggregate Co.
- Secretary: Mark Geens, Lafarge Holcim Canada Inc.
- Treasurer: George Lourenco, Capital Paving
- Immediate Past Chair of the Board: Dan O'Hara, Dufferin Aggregates, a Division of CRH Canada Group Inc.
- Executive Director: Norman Cheesman (Ex Officio Board Member)
Active Directors
- Scott Berquist, R.W. Tomlinson
- David Hanratty, CBM Aggregates
- Bill Kester, Summit Aggregates
- Ryan Wall, Walker Industries
- Scott Boyle, Miller Group
- Richard Erdmann, Dufferin Aggregates, a Division of CRH Canada Group Inc.
- Frank Kielbowich, Walker Industries
- John Mackay, Aecon Construction & Materials
- Ron Brent, Brent Quarries
Associate Directors
- David White, Devry Smith Frank LLP
- Heather Melcher, Golder Associates Ltd.
- Darrin Rousselle, Kal Tire
- Jim Thornton, Toromont CAT
- Angelo Muscillo, Bulk Transfer Systems (ex-officio)
Active Past Chairs
- Ryan Essex (2013), Miller Paving
- Malcolm Croskery (2014), Pioneer Construction
- James Gordon (2015), Fowler Construction
- Steve Bisson (2016), Nelson Aggregate Co.