LAWYER PROFILE

Guillaume Kellner

Global 2026

Ranked in 1 practice area

Corporate/M&A: High-end Capability

France

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Chambers Review

Provided by Chambers

Chambers Global Guide

Corporate/M&A: High-end Capability - France

Band 6
Band 6

Individual Editorial

Guillaume Kellner of McDermott Will & Emery represents clients in a variety of M&A transactions. He is adept at handling cross-border mandates in the healthcare and energy industries.

Strengths

Guillaume Kellner is an excellent professional who gives good advice to his clients and who is a very good dealmaker.

Guillaume Kellner shows very good expertise and personal involvement in the case.

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Ranked Individuals at McDermott Will & Schulte (71)

France

Germany

Italy

UK

USA

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