Office

Paris
15 rue de Laborde
75008 Paris

Partner

Olivier Diaz

Partner

Olivier Diaz

Office

Paris
15 rue de Laborde
75008 Paris

Practices

Olivier Diaz is a partner in the "Corporate/Mergers & Acquisitions" team in Paris. He has more than 30 years' experience in complex mergers and acquisitions, as well as on securities law and corporate governance matters.

His practice covers a wide range of transactions, including public and private company acquisitions and business combinations, as well as private equity.

Over the course of his career, he has advised clients on some of the largest and most complex M&A transactions in France, in a wide variety of sectors, including luxury, media, and telecoms. He also advises companies on complex corporate governance issues and is regularly consulted by regulators on securities law and corporate law issues.

Before returning to Gide, where Olivier was a partner between 1990 and 1998, he was a partner in other first-tier French and international law firms. A graduate of Sciences-Po and HEC Paris, Olivier also holds a postgraduate diploma (DESS) in International Taxation from the University of Paris XI. He was admitted to the Paris Bar in 1990.

Awards

  • Chambers Global/France 2025

    Corporate/M&A: High-end Capability

    Band 1

    Olivier Diaz is an absolute reference in public M&A situations. He is in control of issues, with a very calm demeanour and a sophisticated and clear thought process.

  • Forbes 2024

    Fusions-Acquisitions, Gouvernance

    Top 40 des avocats du CAC 40

    Pragmatisme, expérience, compréhension fine des enjeux, créativité, technicité, sang- froid très rassurant dans les dossiers.

  • Chambers Global/Europe - France 2024

    Corporate/M&A: High-End Capability

    Band 1

    Olivier Diaz maintains a leading corporate practice and frequently acts on public M&A transactions. He is called upon by significant French clients to advise on domestic and international matters." "He has built a brilliant team around him." "Olivier Diaz is at ease with complex situations.

  • Legal 500 EMEA - France 2024

    M&A

    Hall of Fame

    Total commitment to customers, availability at all times, enormous capacity to listen, enormous capacity to understand and analyze problems, excellent legal practice and technique, permanent search for innovative, intelligent and effective solutions.

  • Best Lawyers - France 2025

    Best Lawyers

    Olivier Diaz is recognised in the following practices : Corporate Governance & Compliance Practice, Corporate Law, Mergers & Acquisitions Law, Private Equity Law.

  • IFLR1000 - France 2024

    Corporate and M&A

    Highly Regarded

    Olivier Diaz is recognised in the following practices : Private Equity, M&A.