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Nicolas Baass

Nicolas Baass

Senior Tax Counsel

Talent
CalgaryMember since March 15, 2026
Legal researchRepresenting clients to the CRA and other government organizationsExperience with complex corporate reorganizationsExtensive knowledge of direct and indirect taxExtensive knowledge of corporate law and financing mattersExtensive exposure to US tax
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Legal researchRepresenting clients to the CRA and other government organizationsExperience with complex corporate reorganizationsExtensive knowledge of direct and indirect taxExtensive knowledge of corporate law and financing matters

About

Strategic and results-driven professional with 17 years' experience in tax law and significant exposure to corporate and securities law, both in a law firm and the energy sector. Proven and extensive experience leading cross-functional teams, managing complex projects, and building strong client relationships. Member of the Law Society of Alberta and Quebec Bar.

Experience

Senior Tax Counsel at Imperial Oil Limited (2012-03 – Present)

Provide strategic tax and structuring advice on high-value projects in collaboration with multifunctional teams including Treasurers, Controllers, Law and the business lines.

  • $3.1 billion acquisition by Imperial Oil Limited and Exxon Mobil Corporation of Celtic Exploration Ltd.
  • $1.9 billion divestiture of XTO Energy Canada to Whitecap Resources Inc.
  • $2.8 billion sale of retail business to Alimentation Couche-Tard, 7-Eleven Canada, Harnois Groupe petrolier, Parkland Fuel, and Wilson Fuel Co.
  • Sale of Canadian aviation fuels business to World Fuel Services Corp.
  • $1 billion internal loss consolidation transaction
  • Oversee all tax-related aspects of Imperial Oil Limited substantial issuer bid and normal course issuer bid programs
  • Provide Canadian and foreign tax planning advice and research on Upstream/Downstream business transactions, new exploration ventures, major projects, corporate reorganizations, acquisitions and divestments
  • Liaise with government authorities to resolve tax issues, handle tax controversies at the administrative and judicial levels
  • Provide accurate, timely, strategic and proactive tax consulting and technical interpretations to business lines
  • Review of legislative changes including identification and communication of potential impacts to senior management and business lines
  • Represent the company on industry committees such as Canadian Association of Petroleum Producers (CAPP) and Tax Executives Institute (TEI)

Senior Tax Counsel at Imperial Oil Limited (Expatriate Assignment) (2014-10 – 2016-09)

Expatriate assignment to Houston, Texas with Exxon Mobil Corporation

Tax Lawyer at Moodys LLP (2008-04 – 2012-03)

Provided tax legal services including research, opinions, and transaction planning.

  • Research tax filing positions
  • Draft tax opinions
  • Prepare detailed transaction step plans for reorganizations, mergers and acquisitions
  • Develop estate and succession planning strategies for clients
  • Conduct tax due diligence review engagements

Education

Bachelor of Laws in Law – University of Montréal (2002)

Masters of Laws in Tax Law – University of Montréal (2008)

Corporate Reorganization Course in Corporate Law – CICA (2012)

Enterprise Leadership Program in Executive Development – University of North Carolina at Chapel Hill - Kenan-Flagler Business School (2016)

Business Leadership Program in Executive Development – University of North Carolina at Chapel Hill - Kenan-Flagler Business School (2025)

Skills

Senior Tax Counsel

Reviews

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