LAWYER PROFILE
Sander Duncanson

Sander Duncanson

Canada 2026

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Ranked in 2 practice areas

About

Provided by Osler, Hoskin & Harcourt LLP

Canada

Practice Areas

Sander is Co-Chair of Osler's Regulatory, Indigenous and Environmental practice. He specializes in environmental, regulatory and Indigenous law issues for natural resource developers.

He has experience with matters before the Canada Energy Regulator (formerly the National Energy Board), the Alberta Energy Regulator (and its predecessor the Energy Resources Conservation Board), the Ontario Energy Board, the British Columbia Environmental Assessment Office, the Alberta Utilities Commission, the Northwest Territories Office of the Regulator of Oil and Gas Operations and federal -provincial Environmental Assessment Joint Review Panels.

Sander also has experience with regulatory, environmental and Indigenous matters before all levels of courts in Alberta. The subject matter of Sander’s recent regulatory work includes oil and natural gas pipelines, oil sands (both mining and in situ), LNG export, hydrogen, offshore drilling, hydro-electric generation, mining (including coal, metal, potash, gravel and diamonds), natural gas processing, electricity transmission and contaminated lands. He also regularly advises clients on their obligations to Indigenous groups and negotiates impact benefit agreements with Indigenous groups on behalf of resource developers.

Sander regularly lectures at the University of Calgary’s Faculty of Law on subjects such as administrative law, environmental law, environmental impact assessments and species at risk. He was also named Lawyer of the Year for Energy Regulatory Law for 2023 by Best Lawyers.

Career

University of Calgary, LL.B. (Distinction)

Queen’s University, B.A. (Hons.)

Bar Admission: Alberta, 2011 | British Columbia, 2014

Professional Memberships

Canadian Bar Association (former Chair, Environmental Law Section, Alberta South)

Calgary Bar Association

Law Society of Alberta

Law Society of British Columbia

Chambers Review

Provided by Chambers

Chambers Canada Guide

Energy: Oil & Gas (Regulatory) - Nationwide - Canada

Band 1
Band 1

Individual Editorial
Based in Calgary, Sander Duncanson is noted for his robust oil and gas regulation practice, representing oil and gas clients before national and provincial regulators in facilities applications and environmental assessments.

Aboriginal Law - Nationwide - Canada

Band 3
Band 3

Individual Editorial

Calgary-based Sander Duncanson co-chairs Osler's regulatory Indigenous and environmental group. He provides counsel to ongoing projects and provincial governments, regularly handling Aboriginal law obligations, regulations and contentious matters, with additional experience in negotiating impact benefit agreements.

Strengths

Provided by Chambers

  • Sander is an excellent lawyer and great thought partner to the business.

    Energy: Oil & Gas (Regulatory)Chambers Canada Guide
  • He is phenomenal. We inherently trust him in the regulatory space.

    Energy: Oil & Gas (Regulatory)Chambers Canada Guide
  • Sander is a strong advocate for his clients and immerses himself in the topics at hand, while keeping the objectives of the business in mind.

    Energy: Oil & Gas (Regulatory)Chambers Canada Guide
  • Sander provides good, practical advice and is very detailed. He is able to translate complex issues into consumable products for all levels of the company.

    Aboriginal LawChambers Canada Guide
  • Sander comes up with the most creative solutions for novel issues. He is absolutely unreal.

    Aboriginal LawChambers Canada Guide
  • Sander is approachable and really able to get into our mind. It is one thing to know the law well, but he is able to translate niche laws and speak it to business people.

    Aboriginal LawChambers Canada Guide

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

Alberta

British Columbia

Nationwide - Canada

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