Matrix Solutions’ senior leadership team is composed of experienced professionals, all of whom are technical experts in their fields. Focused on empowering our clients, employees, communities and the environment to thrive, our leadership team executes the company’s strategy and day-to-day operations.


Senior Vice President, Consulting & Engineering Canada

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Holly is Senior VP for the Canadian Consulting & Engineering Division (Matrix Solutions Inc.), part of the Montrose Environmental Solutions business line. Holly most recently served as Chief Executive Officer at Matrix, overseeing the acquisition and integration into Montrose Environmental Group. She has more than 20 years of executive leadership experience including 10 years serving as Chief Financial Officer at Matrix, then Chief Operating Officer.  

Holly stewards a high performing, collaborative culture that embraces excellence in client service and health and safety. She leads the development and execution of long-term strategies that drive growth in new markets, foster technical excellence, and ensure efficient operations. Holly has previously served on the Board of Directors of the Center for Affordable Water and Sanitation Technology (CAWST) and the YWCA of Calgary. 

Holly holds a Bachelor of Arts, from Queen’s University and is a Chartered Accountant. 


Vice President, Environmental Sciences & Planning and Business Development

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As VP, Environmental Sciences & Planning, Brian stewards a high performing, collaborative culture that embraces responsiveness and agility. Brian leads the delivery of Matrix’s ecological, planning and permitting services to clients across our core market sectors and in emerging areas like zero-carbon fuels, energy storage projects, and carbon sequestration. He has served on Matrix’s senior leadership team since 2019 as an operations Vice President and as Vice President, Revenue and Growth.

As VP, Business Development, Brian supports the growth and diversification of the company’s revenue base by leading our engagement with our clients and ensuring our technical teams are delivering valuable solutions for the challenges facing communities and industries. He leads a team of growth-focussed professionals who expand our business in the energy, mining, infrastructure, and industrial sectors.

Brian holds a Bachelor of Applied Science degree in Chemical Engineering from the University of Waterloo and is a professional engineer.


Vice President, Water Resources

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Sam is VP, Water Resources providing operational and strategic leadership to the water resources service line at Matrix Solutions. He is also a Principal Water Resources Engineer at Matrix, with approximately 25 years of experience in the water resources and environmental field for both the private and public sectors. A hydrologic and open-channel hydraulic modeller by training, his teams lead a wide-variety of water resource studies and designs, including: impact assessments, surface/groundwater interactions, water supply/availability investigations, flood mapping and mitigation, watercourse restoration and stabilization, fate and transport, geologic and hydrogeologic characterization and assessment, stormwater management and drainage plans, watershed and subwatershed plans, climate change adaptation, and source water protection plans.

The Matrix water team is particularly strong in surface and groundwater numeric modelling, including integrated surface/groundwater modelling, leveraging this expertise to ensure project solutions are optimal for a variety of future climatic, land use, and water withdrawal scenarios.

Sam holds a Bachelor of Science degree in Water Resources Engineering from the University of Guelph and is licensed as a Professional Engineer in Alberta and Ontario.


Vice President, Operations

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As VP, Operations, Rob oversees growth of digital and project services, which includes an innovative group of consultants specializing in GIS, remote sensing, drafting, technology solutions, project management and document services.  Rob also leads operational improvement across our service lines. With over 20 years of consulting and government experience, he has been involved in a wide range of environmental impact assessments, regulatory applications, and operational monitoring projects working across infrastructure, oil & gas, power, mining, and government sectors. Robert’s technical focus is on integrated, multi-disciplinary surface water projects, leveraging collaborative approaches and effective information management.

He holds a Master of Environmental Studies from the University of Waterloo – Wilfrid Laurier joint Graduate program and an Honours degree in Geography, Environmental and Resource Management from Western University.


Vice President, Site Assessment, Remediation & Reclamation

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Jon has over 29 years of experience in the environmental consulting industry. As VP, Site Assessment, Remediation & Reclamation, Jon leads a highly capable team involved with site assessment, remediation, and reclamation projects located throughout Canada. Following graduation in 1994, Jon started a branch office in Weyburn for KBL Land Use Consulting and was appointed Vice President of the company in 2003. He worked for KBL until the sale of its Saskatchewan assets in 2006 to Odyssey Environmental, where he served as President and CEO until 2009 when Odyssey merged with Matrix Solutions.

Jon is a Professional Engineer, holding a degree in Environmental Systems Engineering from the University of Regina.

Learn about some of the interesting projects Matrix’s team of environmental consultants and engineers get to be a part of.

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