Mathias Chichportich

Danielle Smolders is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law. Danielle, who practices law in Paris, France, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Danielle is held by other top lawyers in the same geographic and legal practice area.

Pierre-Jacques Castanet is the managing partner of In Extenso Avocats Ile de France, a firm that provides advice in the fields of labor and employment and tax law. He runs the firm’s labor and employment law department with his partner, Stanislas Dublineau. He specialises in employment and social welfare law. Before joining In Extenso Avocats, Pierre-Jacques was a partner at IDAvocats and Idrac & Associés. With more than 30 years’ experience at the Paris Bar, Pierre-Jac...

Valery Diaz, partner of the Bankruptcy and Financial Restructuring Department of the firm, is an experienced bankruptcy counselor and litigator who has practiced for more than 15 years in this field. Valery assists a broad range of clients around Europe, in Germany and Spain notably, in restructuring and litigation matters. She offers the highest quality legal advice coupled with tailored service to deliver outstanding results to her clients and help their businesses succeed. Valery's practic...

Christine CARPENTIER negotiates and drafts the contracts required to carry out industrial projects, particularly in the field of renewable energy(wind, solar). She is a specialist in contractual and tort liability and also represents clients in litigation involving issues ofindustrial risks, the environment, insurance law and strict liability (in particular, in asbestos-related litigation). Career She holds a post-graduate degree (DESS) in business and tax law (University of Paris II) and a p...

Jérôme’s practice is focused on all aspects of international and domestic taxation and primarily on tax aspects of mergers and acquisitions, group structure reorganizations and private equity transactions.

Eric Muller is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Eric, who practices law in Paris, France, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eric is held by other top lawyers in the same geographic and legal practice area.

Florence Bilger is partner in the Tax department of our Paris office. She focuses her practice on the tax aspects of investments, restructurings, and mergers and acquisitions. Florence has experience representing French and international clients in their inbound investments and restructuring transactions. She also advises French clients in the tax aspects of mergers and acquisitions, including structuring transactions, conducting due diligence, and handling post-acquisition advice and litigat...

After nearly twenty years’ experience as a tax lawyer with the Paris offices of Landwell (1995-2005) and August & Debouzy as of counsel, Alfred LORTAT-JACOB joined the Paris Office of Cornet Vincent Segurel as a tax partner in October 2010.Alfred LORTAT-JACOB holds a Master's degree in public finance and taxation from the University of Panthéon-Assas.He advises companies and company groups, French and foreign, as well as their managements on various areas of tax law (in parti...

Gwenaël Kropfinger is a tax partner and a member of both the Private Funds and Private Equity M&A Groups, as well as the firm’s Private Capital industry group. Gwenaël has extensive experience advising private equity funds and multinational groups on the tax structuring of M&A transactions, including leveraged buyouts (LBOs) and capital markets deals. In addition to his transactional work, Gwenaël is highly experienced in the formation and structuring of French an...

Anne-Sophie Maes is a top attorney recognized by Best Lawyers in the practice area(s) of Financial Institutions, Private Equity Law, Private Funds and Tax Law. Anne-Sophie, who practices law in paris, France, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Anne-Sophie is held by other top lawyers in the same geographic and legal practice area.