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

Pillar two may be raising less than expected, but professor René Matteotti says the regime is still changing multinational tax behaviour
Multinationals importing goods into Brazil may need to align TP files and customs documentation more closely as authorities gain new tools to challenge related-party transactions
The private equity-backed deal hands Grant Thornton immediate and impressive US scale, but World Tax data suggests the firm still has work to do to gain recognition
From Instagram content to £100m transactions, the founder of Thomas & Co International discusses building a modern tax and accounting firm for business founders
Growing GAAR scrutiny is driving taxpayers to look beyond legal form and demonstrate the commercial rationale underpinning tax-efficient structures
Pillar two has been clients’ ‘biggest headache’ but also a driver of growth for MHA, which believes it has the edge over its big four rivals
Public country-by-country reporting is exposing multinational tax data to investors, journalists and competitors, creating fresh risks for businesses
Pillar two compliance is creating unprecedented data demands for multinational tax departments, making closer collaboration with FP&A teams essential for accurate reporting and audit readiness
Among the arrivals is Andrew Howell, who leaves scandal-hit PwC Australia after representing PepsiCo in a high-profile TP dispute
ITR's podcast examines whether the big four have overarching cultural issues and assesses the competitive threat of technology-backed transfer pricing firms
Gift this article