Phil Morrison joins McDermott Will & Emery

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

Phil Morrison joins McDermott Will & Emery

philip-morrison100x90.jpg

McDermott, Will & Emery has hired an highly international tax practioner to join its tax team in Washington, DC. 

Phil Morrison, a former senior international tax official at the US Treasury Department, has joined the firm as counsel in its US and international tax practice group. He recently retired as a principal at Deloitte's US tax practice, where he was responsible for international tax quality control.

Between 1989 and 1992, Morrison was the US Treasury Department’s international tax counsel, the government’s chief legal adviser on international tax matters (including international tax legislation and regulations), chief negotiator of tax treaties, and director of the Office of International Tax Counsel. He was previously counsel to the US Senate Finance Committee.

His practice at McDermott Will & Emery will focus on international tax, including inbound and outbound planning, treaty issues, transfer pricing and controversy work.

Morrison is a member of groups such as the Committee on US Activities of Foreigners and Tax Treaties of the American Bar Association’s Tax Section, The Tax Council, the tax committee of the National Foreign Trade Council and the International Fiscal Association. He has regularly been selected as a leading tax adviser and a leading transfer pricing adviser for the Euromoney Legal Media Group’s expert guides.

more across site & shared bottom lb ros

More from across our site

Sucafina’s tax chief was speaking at the ITR Pillar 2 Forum in London alongside experts from HMRC and other organisations
India’s Supreme Court rattled cross‑border structuring with its Tiger Global ruling. Subsequent rule changes narrowed the impact, but significant risks around GAAR, substance and treaty access persist
The UK-based big four spin-off firm has hired Marc Lien, who declared that most AI in professional services today is ‘cosmetic’
Projected revenue losses and exemption requests are harming the project’s capability and viability
HMRC secured lengthy prison sentences in a major payroll VAT fraud case, while law firms announced tax promotions and hires
Significant changes include an update to profit markers and an alteration to how an ‘inbound distributor’ is defined
ITR sat down for a pre-event interview with Tim Zech, WTS Germany, and Jeff Soar, WTS UK, keynote speaker at next week’s ITR AI in Tax Forum 2026 in London
Brazil’s bid to seek US-style exemptions from pillar two is ‘highly advantageous’ for multinationals, ITR has also heard
India is signalling flexibility on expat taxation to attract foreign expertise, though employers will need to navigate disclosure, treaty and scope uncertainties
Brazil is trying to follow in the US’s footsteps and secure its own 'qualified side-by-side status', ITR understands
Gift this article