Jack is one of Canada’s preeminent tax lawyers. He is a prolific writer and speaker and is internationally-recognized for excellent service and delivering practical and innovative advice that his clients can trust. Who’s Who Legal: Corporate Tax has described him as “the leading Canadian tax adviser” with an "unparalleled profile" in the market and has ranked him among the top ten recommended tax lawyers in the world,” and Who’s Who Legal: Canada has noted that “He is extremely strong – a number of players rated him as the star of the tax bar.” He is commended for his knowledge of the local market, outstanding legal ability and responsiveness.
An authority on multijurisdictional matters, Jack regularly contributes to leading tax publications globally, including Taxation of Crypto Assets published by Wolters Kluwer and Tax Notes International. He has been actively involved at a senior level in several international and Canadian tax organizations, including being a past Governor of the Canadian Tax Foundation, former Chair of the American Bar Association Foreign Lawyers Forum, former Global Co-Chair of the International Bar Association Taxation Committee, and former Member of Council of the International Fiscal Association (Canadian Branch).
Jack is the senior tax partner and Chair of the firm's International Tax practice as well as a member of the firm’s Tax Group, Tax Litigation Group and Mergers & Acquisitions/Private Equity Group. He is well known in international tax planning, mergers and acquisitions, corporate restructuring, reorganizations, and financing. Jack is experienced in dealing with public and private corporations and has advised hedge funds, venture capital funds and real estate funds. He also has extensive expertise in cross-border estate planning and frequently advises international clients on doing business in Canada.
In addition to these accolades, Jack is repeatedly acclaimed by clients, peers and market commentators during the research process conducted by various legal publications.