LAWYER PROFILE
Pierre-Olivier Mahieu

Pierre-Olivier Mahieu

Global 2026

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Ranked in 1 practice area

About

Provided by Jones Day

Global

Practice Areas

Pierre-Olivier specializes in mergers and acquisitions, private equity, and equity capital market transactions. He advises both local and international clients on inbound and outbound transactions, with more than 25 years of experience on Belgian, European and other cross-border transactions.

He is fluent in French, Dutch, English and Spanish and has a basic knowledge of Mandarin.

Chambers Review

Provided by Chambers

Chambers Global Guide

Corporate/M&A - Belgium

Band 3
Band 3

Individual Editorial

Pierre-Olivier Mahieu has notable experience in advising domestic clients on substantial transactions in the retail, biotechnology and aerospace industries.

Strengths

Provided by Chambers

  • Pierre-Olivier Mahieu is a trusted adviser who brings years of experience to the table for the benefit of his clients. He is adept at managing complex transactions in a strategic and measured way.

    Corporate/M&AChambers Global Guide
  • Pierre-Olivier Mahieu is an excellent and pragmatic practitioner. He understands the business aspects well and adopts the right tone.

    Corporate/M&AChambers Global Guide
  • We almost see him as part of our team.

    Corporate/M&AChambers Global Guide
  • Pierre-Olivier Mahieu is a very dedicated and good lawyer.

    Corporate/M&AChambers Global Guide

Ranked Individuals at Jones Day (120)

Africa-wide

Australia

Belgium

China

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    Peter J Wang

    Competition/Antitrust (International Firms)

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