Thamindu Lorensu
Senior Quantity Surveyor @Metrolinx
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WORK HISTORY
Senior Quantity Surveyor @Metrolinx
Toronto, ON, CA
Provide commercial leadership for major transit projects including the Ontario Line and Scarborough Subway Extension, delivered under Progressive Design Build (PDB) and Alliance models. Lead development and review of Target Price Agreements, ensuring alignment with project funding objectives and commercial strategy.Support the execution of procurement strategy by reviewing vendor submissions, evaluating pricing structures, and advising on compliance with PDB requirements and Metrolinx commercial policies. Manage contract interfaces across multidisciplinary teams and external delivery partners, resolving alignment issues and contributing to negotiations.Collaborate closely with project delivery, procurement, finance, cost control, and scheduling teams to monitor contract costs, validate third-party estimates, and reconcile expenditure against baseline budgets. Deliver commercial briefings, risk insights, and audit responses to senior leadership and governance bodies. Drive modernization of cost databases to support strategic reporting and fiscal discipline across all phases of project delivery.
EDUCATION
Colombo School of Construction Technology (CSCT Campus)
BTEC (Level 5) Higher National Diploma in Quantity Surveying & Building Economics
The University of Salford
Bachelor of Science (BSc)
Mahinda College
GCE Advance Level
ABOUT THAMINDU LORENSU
Commercial, Contracts & Cost Expert | Chartered Quantity Surveyor with over a decade of experience helping organizations manage cost, risk, and value across major infrastructure and capital projects in Canada, the Middle East, and Sri Lanka.I bring a well-rounded background that combines hands-on experience in cost estimating, budgeting, and contract administration with a strategic approach to project delivery. My industry exposure spans transit, healthcare, education, and mixed-use development—with a consistent focus on financial governance, contract compliance, and alignment with public sector and regulatory frameworks.At the core of my work is a passion for transforming complex commercial challenges into clear, actionable strategies. I thrive on bringing structure, confidence, and clarity to the cost and contractual components that underpin critical decisions on large programs.Core Expertise- Budget development & cost planning- Cost estimating & financial forecasting- Procurement strategy & tender evaluation- Commercial & contract management- Change control, claims & risk mitigation- Contract compliance & regulatory alignment- Executive reporting & project controls
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