Scott is a Distinguished Professor of Practice at Osgoode Hall Law School, York University. He is also co-director of the Osgoode Hall Law School Professional LL.M. in tax law and an executive fellow of the School of Public Policy at the University of Calgary. Scott teaches a course in trade and tax policy called WTO and Tax Policy at the Vienna University of Economics and Business, Vienna Austria, in the LL.M. program in international tax law conducted by the Vienna University of Economics and Business and the Institute for Austrian and International Tax Law, where he is an adjunct faculty member.
As one of the most high-profile tax practitioners in Canada, Scott is involved in a number of committees and organizations. He is vice-chair of the Permanent Scientific Committee of the International Fiscal Association. He is a past chair of the Canadian Tax Foundation and previously served as chair of the Tax Section of the Canadian Bar Association (CBA), joint chair on the Joint Committee on Taxation of the CBA and the Canadian Institute of Chartered Accountants, chair of the Tax Committee of the American Bar Association Section of International Law, and president of the Canadian branch of the International Fiscal Association.
He also served as a public policy adviser for the Canadian E-Business Opportunities Roundtable and the Canadian E-Business Initiative, as well as participating in the work of the Minister of National Revenue's E-Commerce Advisory Panel on the international tax aspects of e-commerce.
Scott participated as a member of the OECD Business Advisory Group for Business Restructurings, and has been consulted by and provided comments to the OECD over many years on various important subjects of its study.
Throughout his career, Scott has taught a number of tax-related courses. For example, he has been an adjunct professor at the University of Toronto Faculty of Law and McGill University Faculty of Law, where he taught international taxation. He has also taught for the McMaster University Graduate School of Economics and lectured at the University of Western Ontario and the New York University Law School.