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.

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.

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

Cory Cannon serves as Senior Vice President of Commercial Cement, Canada, for Amrize Canada.

Cory previously held the role of Vice President, Cement Sales and Logistics for the company’s Western division from 2018 to 2025. Earlier in his career, he served as the District Sales Manager in Manitoba, Saskatchewan, British Columbia, and the Pacific Northwest region of the United States, building deep expertise across a range of markets.

Cory holds a Bachelor’s degree in Economics from the University of Manitoba, graduating with distinction.

Andrew Stewart was appointed Senior Vice-President at Amrize in 2025 after having led the eastern Canadian cement business from 2020. Since 2015, he has held leadership roles in both cement and ready-mixed concrete divisions. Andrew originally joined Holcim Group in Switzerland as a specialist in clinker and cement manufacturing. Andrew was educated as a geochemist with a BSc. (hon) from the University of Toronto, M.Sc. from McGill University, a Ph.D. from ETH Zurich and an Executive MBA from the Rotman School of Management.

Oliver Patsch is President of Heidelberg Materials, North America’s Northwest Region. He has been with the company since 2014 and has held various senior management positions at both country and global levels. Prior to his current role, Oliver served as General Manager for Heidelberg Materials Georgia. Oliver graduated with an Executive MBA from the University of St. Gallen in Switzerland and a PhD from INSEAD business school in France.

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.

Manolas started her career as a cement plant chemist and since then has held a series of progressive roles in operations, strategy, human resources, sales, and general management.

Manolas holds a Bachelor of Science from the University of Miami, a Master of Industrial and Systems Engineering from the University of Florida, a Master of Jurisprudence from Tulane University Law School, and a Master of Business Administration from the University of Florida.

In 2014, Florida Governor Rick Scott, appointed Manolas to the Florida Concrete Masonry Educational Council, where she served on the Board of Directors and as Chair. She has also been active in a number of industry associations and community organizations including serving on the Board of Directors and Executive Committee of the Portland Cement Association, the Florida Concrete & Products Association, Associated Builders and Contractors, Executive Women of the Palm Beaches Foundation (Past President), served as the March of Dimes Light the Night Corporate Palm Beach Walk Chair and on the region council of Leadership Florida.

Jorge Wagner serves as Chief Executive Officer of Votorantim Cimentos North America. In this role, 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 his leadership include the company’s cement, ready-mixed concrete, aggregates and sustainable solutions operations, which support new construction, modernization and infrastructure improvements in the Great Lakes region and eastern coasts.

Since joining Votorantim Cimentos in 2002, Mr. Wagner has held several leadership positions. He served as Regional CEO for Europe, Asia and Africa (2018-2023) and, before that, as CEO for the company’s operations in Spain (2012-2017). Previous roles at Votorantim Cimentos have included President of Prestige Ready Mix and Gunite, Votorantim Cimentos North America and member of the Board for Suwannee American Cement (2008-2012); Director of Engemix, the ready-mix concrete business unit of Votorantim Cimentos in Brazil (2005-007); and Corporate Director (2002-2005).

Prior to joining Votorantim Cimentos, Mr. Wagner served as Project Manager and Associate in the Argentina, Chile, Spain and Brazil operations of McKinsey & Company from 1998 to 2002. From 1992 to 1996, he worked as Maintenance Planner and Team Leader for the Campana Refinery of Exxon Mobil, Argentina.

Mr. Wagner holds a degree in mechanical engineering from the Universidad Mar del Plata in Argentina and an MBA (Management) from the Krannert School of Management, Purdue University in the U.S.

He is fluent in English, Spanish and Portuguese.