Nicolas Rontchevsky

Géraldine Machinet is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Géraldine practices law in Paris, France Best Lawyers has recognized Géraldine Machinet since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Géraldine Machinet is held by other lawyers.

Partner Cyprien Pialoux advises companies on daily management of industrial relations. He also represents companies and their management teams before civil and criminal courts. He focuses on individual and collective litigation related to restructuring operations, discrimination, professional inequality or disputes arising with employee representative bodies.Cyprien holds a master’s certificate in business law from Paris XI University (2000) and a master’s degree in business law f...

Thierry Postif is a lawyer recognized by Best Lawyers in the practice area of Energy Law. Thierry practices law in Paris, France Best Lawyers has recognized Thierry Postif since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Thierry Postif is held by other lawyers.

Emmanuel Fatôme is a lawyer recognized by Best Lawyers in the practice areas of Banking and Finance Law, Investment, Real Estate Law and Structured Finance Law. Emmanuel practices law in Paris, France Best Lawyers has recognized Emmanuel Fatôme since 2010. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Emmanuel Fatôme is held by other lawyers.

David Pilorge is a lawyer recognized by Best Lawyers in the practice area of Administrative Law. David practices law in Paris, France Best Lawyers has recognized David Pilorge since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which David Pilorge is held by other lawyers.

Diane Le Chevallier is a lawyer recognized by Best Lawyers in the practice areas of Banking and Finance Law and Structured Finance Law. Diane practices law in Paris, France Best Lawyers has recognized Diane Le Chevallier since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Diane Le Chevallier is held by other lawyers.

Jean-Christophe CLEACH, a partner of CLEACH Avocats since 1998, heads the Corporate - Mergers & Acquisitions, Private Equity Law practice. He acts for French and foreign companies, providing them in particular with support in their sale or acquisition processes, efforts to raise equity, negotiation of shareholders' agreements, corporate restructuring and negotiations with creditors (banks and government-owned companies in particular) as well as assisting them more generally in defining th...

Stéphanie Guedes da Costa focuses particularly on relations with employee representative bodies, professional elections, collective bargaining, as well as restructuring operations (including employee transfers, voluntary departure plans, and employment protection plans). She advises both French and international companies, providing support in both advisory and litigation matters (covering individual and collective issues). For many years, she has also assisted entities with mixed-stat...

Edouard Heliot is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law and Private Equity Law. Edouard practices law in Paris, France Best Lawyers has recognized Edouard Heliot since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Edouard Heliot is held by other lawyers.

Lionel is the founder and managing partner of Galion Société d'Avocats , a Paris-based law firm advising French and international clients in Employee Benefits Law and Labor and Employment Law . He advises companies on individual employment relations , employment litigation, dispute resolution, corporate transactions, reorganizations and restructuring matters . Lionel also assists clients with Alternative Dispute Resolution (ADR), including mediation. Admitted to the Bar in 1997,...