LAWYER PROFILE
Terri-Lee Oleniuk

Terri-Lee Oleniuk

Global 2026

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Ranked in 4 practice areas

About

Provided by McCarthy Tétrault LLP

Practice Areas

Terri-Lee’s practice focuses on project-related issues in natural-resource development, specializing in regulatory, environmental, and Aboriginal law. She assists companies in environmental assessments and regulatory proceedings to secure approvals for major developments in the oil and gas, pipeline, mining (metal, potash, and diamond), natural-gas processing, petrochemical, electricity transmission, hydro, solar, wind, and energy storage sectors. Terri-Lee frequently advises on and negotiates agreements with Indigenous groups. She also represents clients before administrative tribunals in matters such as tolls and tariffs proceedings, regulatory investigations, and inquiries. Additionally, she provides strategic advice on ESG matters. Terri-Lee has appeared before the Canada Energy Regulator, Alberta Energy Regulator, Alberta Utilities Commission, Alberta Land and Property Rights Tribunal, British Columbia Utilities Commission, Alberta Natural Resources Conservation Board, Mackenzie Valley Environmental Impact Review Board, Mackenzie Valley Land and Water Board, and federal-provincial joint review panels for environmental assessment proceedings.

Chambers Review

Provided by Chambers

Chambers Global Guide

Energy: Oil & Gas (Regulatory) - Canada

Band 1
Band 1

Individual Editorial

Terri-Lee Oleniuk is typically sought out for her regulatory expertise. Her environmental practice is complemented by her knowledge of energy regulation and Aboriginal law, particularly in relation to solar projects. She is based in Calgary.

Energy: Power (Regulatory) - Canada

Band 2
Band 2

Individual Editorial

Terri-Lee Oleniuk is typically sought out for her regulatory expertise. Her environmental practice is complemented by her knowledge of energy regulation and Aboriginal law, particularly in relation to solar projects. She is based in Calgary.

Environment - Canada

Band 4
Band 4

Individual Editorial

Terri-Lee Oleniuk is typically sought out for her regulatory expertise. Her environmental practice is complemented by her knowledge of energy regulation and Aboriginal law, particularly in relation to solar projects. She is based in Calgary.

Aboriginal Law - Canada

Band 4
Band 4

Individual Editorial

Terri-Lee Oleniuk is typically sought out for her regulatory expertise. Her environmental practice is complemented by her knowledge of energy regulation and Aboriginal law, particularly in relation to solar projects. She is based in Calgary.

Strengths

Provided by Chambers

  • Terri-Lee is very experienced and knowledgeable on the regulatory framework in Alberta, which is constantly evolving. She has great contacts with the regulators and creative ideas to resolve issues.

    Energy: Oil & Gas (Regulatory)Chambers Global Guide
  • Terri-Lee is great. She is very client service-oriented, super smart and practical when it comes to environmental and regulatory law.

    Energy: Oil & Gas (Regulatory)Chambers Global Guide

Ranked Individuals at McCarthy Tétrault LLP (124)

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Canada

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