Brian J. Arnold is senior adviser at the Canadian Tax Foundation in Toronto.

He is a graduate of Harvard Law School and taught tax law at a Canadian law school for 28 years. He has been a consultant to various governments (Australia, Canada, New Zealand and South Africa), the Organisation for Economic Co-operation and Development, and the United Nations.

He was a visiting professor at Harvard Law School from 2005 to 2011 and at New York University School of Law in 2005 and 2012; he also teaches international tax courses at the University of Sydney and the University of Melbourne.

He is the co-editor of the Bulletin for International Taxation and the author of several books and articles on tax issues, including (with Hugh J. Ault) Comparative Income Taxation: A Structural Analysis, 3rd edition (Kluwer, 2010) and International Tax Primer, 3rd edition (Kluwer, 2016).

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