Jack Sheehan is the Managing Partner at DFDL and is responsible for overseeing management and strategy across all practice groups and countries in Asia.
Jack has been an integral part of DFDL for 15 years, successfully building and leading our regional tax practice across Southeast and South Asia. Having served on the DFDL Board of Directors, Jack’s focus is on driving the firm’s strategic plan across all countries and practice groups.
In recognition of his exceptional expertise and leadership in the industry, Jack was honored with the prestigious Tax Practice Leader of the Year award at the ITR Asia-Pacific Tax Awards in 2025.
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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