Marianne has over 20 years of experience in the areas of public procurement, public infrastructure, construction, and Public-Private partnerships. She advises clients on the development, preparation and ongoing administration of public tenders and procurement processes, and the development and negotiation of commercial agreements for the design, construction, financing, and maintenance of infrastructure.

Marianne is a leading expert on the procurement chapters of the trade agreements to which Canada is a party and is routinely called upon by clients to conduct in-house training on best practices in managing procurement processes in Canada.

Marianne acts for domestic and international clients in a wide range of sectors, including transit and transportation, civil infrastructure, roads and bridges, water and wastewater, health-care services, information technology, gaming, energy, and mining. She also regularly acts for both procuring entities and bidders with respect to conducting a successful procurement process, fairness issues, mitigating procurement risk and avoiding compliance issues. In particular, Marianne has expertise in the procurement of mega infrastructure development projects and alternative finance and procurement projects across multiple jurisdictions, including municipal, provincial, federal, and international and has been at the forefront of many municipal PPP projects.

Marianne is leading the Blakes team on a number of major projects including the City of Calgary’s Green Line LRT Project, Metrolinx’s GO Rail Expansion Project, the City of Toronto’s F.G. Gardiner Expressway Rehabilitation Project, and Infrastructure Ontario on the Eglinton Crosstown West Extension Project.