New departures from Dewey & LeBoeuf

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

New departures from Dewey & LeBoeuf

Another two Dewey & LeBoeuf tax partners have left the firm.

Art Hazlitt and Mark Caterini joined O’Melveny & Myers on May 10.

Hazlitt advises clients from Fortune 500 companies to small start-up ventures on structuring, planning, and negotiating all aspects of US and international taxable and tax-free mergers, acquisitions, leveraged buyouts, spin-offs and joint ventures. He has particular expertise in advising utilities and energy industry clients on renewable, clean, and alternative energy projects.

Caterini ‘s clients include sellers, acquirers, investors, lenders, and underwriters whom he advises on corporate and partnership tax planning and structuring, including taxable and tax-free corporate mergers, spin-offs, stock, asset and joint venture acquisitions, and related financing. He has also worked on renewable and alternative energy projects, project finance and securitisations.

The two are the 10th and 11th tax partners to have left Dewey & LeBoeuf since February. The nine who have gone already are: Hap Shashy (King & Spalding); Bruce Wright and Linda Sciuto (Sutherland Asbill); Michael Duff (Sidley Austin); Hershel Wein, Fred Gander and Julio Castro (all KPMG); and Gordon Warnke and Joseph Pari (Linklaters).

more across site & shared bottom lb ros

More from across our site

As part of an exclusive global alliance, KPMG will become one of Anthropic’s ‘preferred consultants’ for private equity
In the second part of this series, the focus shifts to how taxpayers can manage ongoing risks across the lifecycle of cross-border structures
Jurisdictions have moved to ensure that multinationals are not punished for late GIR filings due to a lack of available filing portals or exchange relationships
HMRC’s push for unified tax adviser registration won’t prevent every instance of improper conduct, but it is good for taxpayers and the UK’s reputation
Elsewhere, the UAE’s tax office has issued an update on registration penalties and two firms have been busy making lateral hires
The case sits within a context of Brazil signalling that it is replacing informal discretion and ambiguity with structures that reward analytical rigour, one expert tells ITR
Jeff Soar lifts the lid on WTS UK’s ambitious recruitment plans, the firm's positioning against the big four, and why tax is the perfect profession for AI
The move reinforces Milan’s role as a key European hub for international business, the firm said
Australia’s government has also announced that it will implement the pillar two side-by-side agreement
Sara Morgan is due to join Joseph Hage Aaronson & Bremen as a partner in London, ITR understands
Gift this article