Mark Leeds joins Mayer Brown

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

Mark Leeds joins Mayer Brown

Mark Leeds has become a partner in Mayer Brown’s tax transactions and consulting practice in New York.

fotoflexer-photomarkleeds.jpg

Leeds (pictured left)  advises clients including banks, hedge funds and family offices on the tax aspects of capital markets products and strategies, including over-the-counter derivative transactions, swaps, tax-exempt derivatives and strategies for the efficient use of tax attributes, such as net operating losses, as well as formation and trading matters.

Leeds was formerly a shareholder of Greenberg Traurig. He has also been a managing director and senior tax counsellor with Deutsche Bank in New York, the general counsel of a credit derivative company and the leader of Deloitte’s capital markets tax practice.

more across site & shared bottom lb ros

More from across our site

The firm’s eye-catching UK launch is a major statement of intent, but it will face stern opposition in its quest to be the top global tax player
The postponement came after industry representatives flagged implementation issues with the registration regime; in other news, firms made key tax partner additions
Despite the increased yield, the time taken to resolve enquiries was at a six-year high, new HMRC statistics have revealed
The High Court’s dismissal of barrister Setu Kamal’s legal challenge represents the first successful strike-out under a new law on SLAPPs
IP lawyers, who say they are encouraging clients to build up ‘tariff resilience’, should treat the risks posed by recent orders as a core consideration in cross-border licensing
As Coca-Cola awaits a crucial 11th Circuit Court of Appeals decision this year, its multibillion-dollar tax dispute could have profound implications for investors, cash flow, and corporate transparency
However, women in tax face greater career obstacles than their male counterparts, an exclusive ITR survey of more than 100 women tax leaders revealed
Under Jeff Soar’s leadership, WTS UK aims to scale to 100 partners within five years and challenge the big four
As the firm embarks on a major shakeup of its EMEA partnerships, some staff will be watching nervously
The buyout of Hucke and Associates continues Ryan’s streak of firm acquisitions; in other news, a UK appeal against VAT on private school fees was dismissed
Gift this article