Constantin Achillas

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Wyssam Mansour advises national and international companies and investment funds on their complex M&A, joint venture and private equity transactions, as well as their contractual structures. He works mainly in the industrial, energy, natural resources and infrastructure sectors (energy, storage, digital infrastructure, mobility, etc.), in which he has significant experience. Wyssam also puts his expertise to work for clients involved in new technologies and disruptive innovations, particu...

Eva Kopelman is a Partner and Founder of Axipiter’s Employment Law practice. She advises French and international companies and groups on all aspects of individual and collective employment law. Her practice notably includes: Providing strategic advice on complex restructuring operations, including collective redundancies and employment issues arising from M&A transactions. Assisting clients with their day-to-day individual employment matters such as hiring process, terminations, di...

Céline Moille is a lawyer recognized by Best Lawyers in the practice area of Regulatory Practice. Céline practices law in Paris, France Best Lawyers has recognized Céline Moille since 2026. 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 Céline Moille is held by other lawyers.

Diana Hund is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law, Private Equity Law and Venture Capital Law. Diana practices law in Paris, France Best Lawyers has recognized Diana Hund since 2022. 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 Diana Hund is held by other lawyers.

Pierre GOUGÉ is co-head of the « Merges & Acquisitions - Corporate law » Department. His expertise extends to the following areas : mergers and acquisitions : advisory work with French and international groups in the framework of external growth operations, company transfers, mergers and demergers private equity : in the broadest sense, capital risk, capital development, LBOs stock markets / capital markets : IPOs, overseeing publicly listed companies, capital markets (...

Joanna Gumpelson is a lawyer recognized by Best Lawyers in the practice areas of Insolvency and Reorganization Law and Litigation. Joanna practices law in Paris, France Best Lawyers has recognized Joanna Gumpelson since 2013. 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 Joanna Gumpelson is held by other lawyers.

Guillaume De Saint Sernin is a lawyer recognized by Best Lawyers in the practice area of Employee Benefits Law. Guillaume practices law in Paris, France Best Lawyers has recognized Guillaume De Saint Sernin 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 Guillaume De Saint Sernin is held by other lawyers.

Thierry Montéran is a well-known lawyer specialized in insolvency law. He is one of the co-founder of UGGC Avocats and created this practice 25 years ago and his activity is entirely dedicated to insolvency law and litigations related to it. His expertise deals with the right of struggling companies and for all sorts of businesses, from the smallest to the most important in all regions of France. Thierry Monteran as the founder of its practice has written several hundred articles on co...

Jeanne BOSSI MALAFOSSE is head of the Personal Data Department and co-head of the Life Sciences Department. She has significant experience in personal data protection and various questions relating to life sciences, particularly in the area of health information systems.She assists organizations in the following subjects : compliance with personal data protection principles in all sectors preparation for Europe’s new General Data Protection Regulation regulatory framework of planned hea...