LAWYER PROFILE
Rocco Sebastiano

Rocco Sebastiano

Canada 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 2 practice areas

About

Provided by Osler, Hoskin & Harcourt LLP

Practice Areas

Rocco’s practice focuses on engineering, procurement and construction law and infrastructure matters. He has extensive experience on a wide range of major projects and has acted for various project participants, including owners, governmental authorities, developers, lenders, contractors, operators, subcontractors, architects and engineers.

Rocco also advises on public-private partnerships, major building, civil and public works design, construction, operation and maintenance.

His infrastructure development and procurement experience includes advising governmental and public sector authorities and private sector proponents on matters such as the planning, engineering, construction, financing, operation and maintenance of major public infrastructure projects and outsourcing of government services. Rocco’s practice also includes contract negotiation with an emphasis on “preventative” structuring aimed at minimizing project risks and disputes. Rocco is a qualified and experienced professional engineer.

Career

Osgoode Hall Law School, LL.B.

Professional Engineers Ontario, P.Eng.

University of Toronto, B.A.Sc. (Engineering Science, Nuclear and Thermal Power)

Bar Admission: Ontario, 1994

Professional Memberships

Law Society of Ontario

Professional Engineers Ontario

Ontario Bar Association

The Canadian Council for Public-Private Partnerships

Canadian Construction Association

Ontario Energy Association

Chambers Review

Provided by Chambers

Chambers Canada Guide

Construction - Nationwide - Canada

Band 1
Band 1

Individual Editorial

Rocco Sebastiano is highly regarded for his expertise in construction and is further renowned for his astute handling of technical matters relating to the construction of power projects. Based in the firm's Toronto office, he is particularly well reputed for his handling of contractual processes.

Energy: Power (Transactional) - Nationwide - Canada

Band 1
Band 1

Individual Editorial
Based in Toronto, Rocco Sebastiano is an expert in transactional matters across the power sector, with particular strength in nuclear energy projects. He has broad and deep experience across project financing and development matters.

Strengths

Provided by Chambers

  • Rocco is outstanding.

    ConstructionChambers Canada Guide
  • Rocco is outstanding.

    Energy: Power (Transactional)Chambers Canada Guide
  • He is very good and knowledgeable on the regulatory and nuclear side.

    Energy: Power (Transactional)Chambers Canada Guide

Ranked Individuals at Osler, Hoskin & Harcourt LLP (199)

Alberta

British Columbia

Nationwide - Canada

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