Matthew D. Lerner, a partner in Sidley’s Washington, D.C. office and leader of the firm’s Tax Controversy practice, has been ranked in the 2025 edition of Chambers High Net Worth in the Tax: Private Client (USA - Nationwide) category. Chambers has recognized Matt’s considerable experience handling complex tax matters and a source quoted in the guide has commended him as “a very good lawyer and thinker.”
Chambers High Net Worth ranks the leading lawyers and law firms for international private wealth based on the in-depth analysis carried out by the Chambers research team.
This recognition is in addition to Matt’s acknowledgment in the 2025 edition of Chambers USA, which ranked him in the Tax (District of Columbia) and Tax: Controversy (Nationwide) categories.
Matt has 40 years of experience with tax-related matters, focusing on federal and state tax disputes at the administrative level and in litigation. His practice covers a broad array of important corporate tax issues, notably the research credit, worthless stock, and bad debt, as well as international tax issues, including transfer pricing, among others. He also represents ultra-high net worth individuals and their families with respect to tax disputes, including but not limited to valuation issues, charitable giving strategies, residency and domicile questions, and the qualified small business stock rules. He also advises clients on audit-readiness and strategies for dealing with taxing authorities.