Jack Sheehan
Partner, Head of Regional Tax
+66 620 147 904


  • Tax & Transfer Pricing

Countries of expertise

  • Lao PDR
  • Thailand
  • Vietnam

Jack is a Partner and Tax Leader at the firm. He leads the tax and transfer pricing teams across the region. He advises companies on tax planning, holding company structures, tax treaties, permanent establishments, cross-border tax planning, mergers and acquisitions, transfer pricing, tax disputes, and multiple jurisdictional tax planning.

Jack is listed as a leading tax adviser for 2024 by the Legal 500 and is a Highly Regarded Tax Adviser by ITR World Tax.

The DFDL tax practice won Tax Firm of the Year in 2023 at the Legal 500 Southeast Asia Awards.

Jack regularly features as a speaker and writer on tax in Asia and has delivered lectures at leading Universities, including Queen Mary’s University London and Chulalongkorn University Thailand, and leading tax bodies such as the International Fiscal Association (IFA) and the International Bureau for Fiscal Documentation (IBFD).

Jack holds a master’s degree in Tax Law from Oxford University and is a Fellow of the Association of Chartered Certified Accountants.

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