Rocco M. Sebastiano

Partner at Osler, Hoskin & Harcourt LLP

Year Called to Bar: 1994 (ON)

Practice Areas: Engineering, Procurement and Construction Law, Infrastructure Law

Rocco M. Sebastiano is a distinguished partner at Osler, Hoskin & Harcourt LLP with a dedicated focus on engineering, procurement, and construction law as well as infrastructure matters. With decades of hands-on experience, Rocco has played a key role in a wide variety of major projects, representing a diverse range of project participants such as owners, governmental authorities, developers, lenders, contractors, operators, subcontractors, architects, and engineers.

He is highly regarded for his comprehensive expertise in public-private partnerships, and for advising on all stages of major building, civil, and public works projects—from design and construction to operation and maintenance. Rocco’s extensive background includes representing both governmental and public sector authorities as well as private sector proponents, covering complex issues like planning, engineering, construction, financing, and the operational aspects of significant public infrastructure initiatives. He is also skilled in the outsourcing of government services.

Rocco is known for his strategic approach to contract negotiation, with a notable emphasis on “preventative” structuring designed to minimize project risks and mitigate disputes. As a qualified and experienced professional engineer, he offers clients uniquely practical and insightful legal guidance, ensuring every phase of infrastructure development and procurement is thoroughly supported.

Contact Information

Phone: (416) 862-5859
Fax: (416) 862-6666
Email: [email protected]

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