Marie Glenn is Chair of the Cement Association of Canada and Vice President at Ash Grove Cement Company. She is an engineer and MBA and leads the manufacturing, sales and distribution of cement for the North Region of Ash Grove. She has 22 years of experience in the construction-materials industry, having worked in the concrete, aggregates and cement business.  

Ash Grove Cement is part of CRH Plc, the world’s leading building materials company.  CRH manufactures and distributes a diverse range of superior building materials, products, and solutions, which are used extensively in construction projects of all sizes, all across the world.  

 Marie was appointed to the CAC board of directors in December 2020 and became Chair in the spring of 2021.

David Redfern is Chief Executive Officer (CEO) of Lafarge Canada Inc.’s Eastern Canada operations.

Previously Product Line General Manager for Western Canada Aggregates and the Greater Vancouver area, David joined LafargeHolcim in 1999 and has held numerous roles of increasing responsibility throughout Canada and France. He has more than 25 years of experience in the construction materials business. 

David received his Bachelor of Political Science degree from Queen’s University. He also holds certificates of achievement from Duke University, INSEAD and the University of Toronto.

 David joined the CAC board of directors in 2019 and continues to serve in this role.

Filiberto Ruiz is the President and Chief Executive Officer of Votorantim Cimentos North America. He is responsible for the leadership and growth of Canadian and U.S. operations for international building materials and sustainable solutions supplier, Votorantim Cimentos. Businesses under Filiberto’s leadership include St Marys Cement, Canada Building Materials, Prairie Material, United Materials and Superior Materials.

 Filiberto was appointed to the CAC board of directors in the spring of 2016 and served as its Chair from the spring of 2019 to the spring of 2021.

Brad is the President and CEO of Western Canada for Lafarge Canada. With a team of approximately 4,000 employees and $1.8B in revenue, Brad is a change advocate who encourages and supports new ideas as well as seeks solutions to create long term sustainable efficiencies. Brad is excited to be part of the CAC as they focus on spearheading positive changes for the industry. 

 Brad was appointed to the CAC board of directors in February 2018 and immediately took the role of Chair until the spring of 2019.

Alex Car is President of Heidelberg Materials’ Northeast Region including cement, concrete and aggregate operations in Ontario and Quebec, as well as the Northeast and Mid-Atlantic United States. He has been with the company since 2016.  

Before joining Heidelberg Materials, he was President & CEO of Essroc Cement, a subsidiary of the Italcementi Group.  He has spent the past 20 years in the cement and materials business in the US and Canada including an assignment in Eastern Europe. Car holds a bachelor’s degree in Chemical Engineering from McMaster University in Hamilton, Ontario and an MBA from the Kenan-Flagler Business School at the University of North Carolina at Chapel Hill.

Alex has been a member of the CAC board of directors since 2015 and served as its Chair from the spring of 2017 until the spring of 2018. He is also a member of the board of the Portland Cement Association (PCA) and the Ready-Mix Research and Education Foundation.

With a degree in Process Engineering from the Technische Universitaet Clausthal-Zellerfeld in Germany, Joerg started his career with Heidelberg Materials in 1994 as an Engineer-in-Training in Heidelberg.

Joerg has held various engineering and management positions with the company in a variety of business lines and has lived and worked in Germany, the United States, and Canada.

Joerg first came to North America in 1998 as a Process Engineer for HTC in Allentown, PA.

In 2006, Joerg relocated to Vancouver, BC as the Vice President, Cement Operations for the then Lehigh Pacific Region. In 2010, he transitioned into the Materials business and became the Vice President & General Manager for the West Coast Aggregates. 

In 2017, Joerg accepted the position of Vice President & General Manager, Materials for Lehigh Hanson’s Pacific Northwest business.

Since September 2019 Joerg has held the position of President of Heidelberg Materials’ Canada Region.

Joerg was appointed to the CAC board of directors in the fall of 2019 and continues to serve in the role.

George is the longest serving CAC Board member, with over a decade in this role.