LAWYER PROFILE
Mickey Leibner

Mickey Leibner

USA 2026

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Ranked in 1 practice area

About

Provided by Mayer Brown LLP

Practice Areas

Mickey Leibner helps clients navigate the intersection of regulatory and political matters.

Mickey has significant experience before the Committee on Foreign Investment in the United States (CFIUS) and has advised on hundreds of transactions involving companies ranging from multinational Fortune 500 corporations to small startups. He counsels clients on all aspects of the CFIUS process—from analyzing transactions to determine if a CFIUS filing is required or recommended, to drafting CFIUS filings, responding to questions from CFIUS, and negotiating and implementing mitigation agreements.

Mickey also advises a variety of clients in the private, nonprofit, and government sectors on a number of political law, campaign finance, and lobbying compliance issues, especially with respect to the Lobbying Disclosure Act, the Foreign Agents Registration Act, and political action committees. He helps clients implement internal political law compliance processes, as well as create a range of nonprofit and political organizations. Mickey also lobbies and advocates regularly to US congressional staff and elected officials, and is particularly adept at helping clients navigate interactions with local, state, and federal governments.

Chambers Review

Provided by Chambers

Chambers Guide to the USA

International Trade: CFIUS Experts - USA - Nationwide

Up-and-coming Individual
Up and Coming

Individual Editorial

Mickey Leibner has significant experience before the Committee in Foreign Investment in the US and is able to advise on a range of regulatory and transactional trade matters. He services private, non-profit and government sector clients.

Strengths

Provided by Chambers

  • Mickey is very approachable, personable and available. He is able to talk through things in layman's terms.

    International Trade: CFIUS ExpertsChambers Guide to the USA

Ranked Individuals at Mayer Brown LLP (182)

California

California: Northern

District of Columbia

Illinois

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