Matthew Lerner joins Sidley Austin as tax controversy partner

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

Matthew Lerner joins Sidley Austin as tax controversy partner

Matthew Lerner has joined Sidley Austin’s Washington, DC office as a partner and a co-global coordinator of the tax controversy practice.

Lerner, formerly a partner of Steptoe & Johnson, advises corporations, partnerships and individuals on the federal, state and local aspects of civil and criminal tax controversies and civil litigation related to tax strategies, as well as business planning and advice. He also advises at all stages of the Internal Revenue Service's administrative audit and appeals processes, as well as litigation in US Tax Court, the Court of Federal Claims and federal district courts. He has significant experience with many of the IRS alternative dispute resolution procedures. He also advises on pre-audit issues regarding document organisation, retention practices and disclosure obligations.

more across site & shared bottom lb ros

More from across our site

While it’s great that the OECD is alive to multinationals’ fears of being caught in a compliance trap, the ‘common understanding’ illustrates a worrying lack of readiness
Rising demand for specialist expertise has fuelled the growth in tax partner headcounts, Cain Dwyer found; in other news, Switzerland has been urged to reconsider pillar two
An OECD report on the taxation of the digital economy is expected by the end of 2026, according to the group of nations
Trophy assets are evolving from personal indulgences to structured investments, prompting family offices to prioritise tax efficiency, governance discipline, and cross-border compliance
As demand for complex, cross-border private client counsel spikes, Patrick McCormick sees opportunity in starting from scratch
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
Gift this article