Robert Raizenne

Robert has extensive experience in a wide variety of transactions and tax planning matters, including cross-border and domestic mergers and acquisitions, corporate reorganizations and restructurings, corporate finance, international tax and trusts.

He is also an experienced tax litigator. Robert is an adjunct professor of tax law at McGill University’s Faculty of Law and the Faculty of Law at the University of Toronto, and a sought-after speaker and writer on tax topics. He has spoken frequently at the Canadian Tax Foundation’s Annual Conference, the Annual Conference of the Canadian Branch of the International Fiscal Association and many other professional venues.

Representative Work

  • J.D. Irving Limited

    J.D. Irving Limited in its successful appeal of Revenu Québec’s reassessments

  • Homburg Invest, Inc.

    Homburg Invest, Inc. in connection with its $3 billion debt restructuring and recapitalization under the CCAA

  • Homburg Canada Real Estate Investment in connection with its $160 million initial public offering and listing on the Toronto Stock Exchange

Awards and Recognition

  • Chambers Global: The World’s Leading Business Lawyers: Recognized in Tax
  • The Canadian Legal Lexpert Directory: Recognized in Corporate Tax; Estate & Personal Tax Planning – Estate Litigation; Estate & Personal Tax Planning – Estate & Tax Planning
  • The Lexpert Guide to the Leading US/Canada Cross-Border Corporate Lawyers in Canada: Recognized in Corporate Tax
  • Best Lawyers in Canada: Recognized in Tax Law and Trusts and Estates
  • International Tax Review: Recognized as a Tax Leader
  • Who’s Who Legal: Recognized in Corporate Tax – Advisory, Tax – Controversy, Recognized in Thought Leaders: Corporate Tax, Controversy; Corporate Tax, Advisory and Controversy (International) and Corporate Tax (Canada)

Media Mentions

  • Osler News Aug 25, 2023

    Osler recognized as a Tier 1 firm in ITR’s World Tax Guide 2024

    Osler is proud to once again be recognized as a Tier 1 firm in the 2024 edition of the International Tax Review’s World Tax guide. Additionally, 19...

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  • Osler News Apr 19, 2023

    42 Osler lawyers recognized by Lexpert as leaders in Finance and M&A

    Osler is proud to announce 42 of our lawyers have been recognized as leaders in the Lexpert Special Edition: Finance and M&A 2023.

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  • Osler News Oct 4, 2021

    Osler recognized as a Tier 1 firm in ITR’s World Tax Guide 2022

    Osler has maintained its Tier 1 rankings in ITR’s World Tax Guide with 18 lawyers recognized as leaders in their field.

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  • Osler News Sep 29, 2020

    Osler earns Tier 1 rankings in ITR’s 2021 World Tax Guide

    Osler is proud to announce we have once again been recognized in Tier 1 of International Tax Review’s World Tax Guide 2021, earning top rankings in...

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  • McGill University, B.C.L.
  • University of Toronto, M.A.
  • Concordia University, B.A.


  • English
  • French

Professional Affiliations

  • Canadian Tax Foundation
  • International Fiscal Association
  • Canadian Association of Law Teachers
  • Association de planification fiscale et financière
  • American Bar Association