David Jacyk joins Osler, Hoskin & Harcourt

International Tax Review is part of Legal Benchmarking Limited, 1-2 Paris Garden, London, SE1 8ND

Copyright © Legal Benchmarking Limited and its affiliated companies 2026

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement


David Jacyk joins Osler, Hoskin & Harcourt

Osler-Vancouver

Osler, Hoskin & Harcourt has appointed David Jacyk as partner and head of the firm’s Vancouver tax litigation practice.

Jacyk focuses on disputes affecting corporate taxpayers and has extensive experience in litigating tax cases for the Crown. Jacyk has worked on a wide variety of complex cases involving civil litigation, customs and anti-dumping, bankruptcy and insolvency, judicial review, constitutional and other matters.

He has more than 23 years of experience as Crown counsel in Canada and New Zealand. He was general counsel of the Department of Justice of Canada in Vancouver for approximately 10 years and, most recently, with the Crown Law Office/Inland Revenue in New Zealand. 

more across site & shared bottom lb ros

More from across our site

The recently formed firm has taken a break from hiring EY talent to expand its transactional tax and tax technology capabilities
The AI platform, founded last year by two school friends, is partnering with challenger firms like Unity Advisory and A&M Tax to launch its own assault on the AI tax market
Not only has Aurtus received recognition from ITR in the past, but its founder was both a partner at KPMG and co-founder of Dhruva Advisors
Clients care more about considered counsel than rapid media-friendly soundbites, says Matthew Gilleard, associate director at Infinite
It was also a memorable night for Galicia, KPMG, Skadden and Pinheiro Neto, all of which scooped major awards at a gala ceremony in New York
The former Deloitte UK CEO earned a 45% raise in a year when 1,000 staff reportedly lost their jobs – and the pay gap is only getting bigger
In a seminal development for big law, the 95-year-old firm is set to cease operations after a series of high-profile partner departures
UK Chancellor John Healey extended a VAT cut, suspended tariffs, increased a bank surcharge and vowed to increase funding for HMRC
Kristine Riisberg warned that TP decisions can determine top-up tax exposure under pillar two, while global consensus over the rules remains unsettled
Both Germany’s NIS2 and the EU AI Act now determine whether a tax function can meet its obligations – and both can make management personally accountable
Gift this article