Isabelle Wekstein-Steg

Matthieu Dary is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law and Information Technology Law. Matthieu, 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 Matthieu is held by other top lawyers in the same geographic and legal practice area.

Adrien Fourmon is in charge of our Public Law, Energy, and Environment practice and brings extensive regulatory experience in this area. He was a partner at Huglo-Lepage & Associés from January 2014 to December 2017, before becoming legal head of structured finance in the Energy, Environment, and Real Estate Financing Department at BPIfrance Financement from 2018 to 2020. Adrien Fourmon mainly acts on advisory and audit matters as well as litigation advice in public economic law an...

Partner of BG2V since 2011 – Member of the Paris Bar since 2002​ ​ Experience : BG2V, De Pardieu Brocas Maffei (Paris), Niven Smith (San Francisco).​ ​ Education : Graduate of ESSEC Grande Ecole, Master’s degree in Business Law, Accounting and Taxation, University of Aix-en-Provence, DESS in International Business Law, University of Aix-en-Provence, DEUG in Law, University of Panthéon-Assas.​ ​ Practice areas : Stanislas assists clients in all their investment, development ...

Sylvie Welsch is a top attorney recognized by Best Lawyers in the practice area(s) of Biotechnology and Life Sciences Practice, Health Care Law, Litigation and Product Liability Litigation. Sylvie, who practices law in Paris, France, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sylvie is held by other top lawyers in the same geographic and legal practice area.

Karl Hepp de Sevelinges is a partner at Jeantet, admitted to the Paris, Frankfurt (Rechtsanwalt) and New York (FLC) bars. Specialized in Mergers & Acquisitions, he advises industrial companies, financial institutions and international funds, particularly German-speaking ones, on their investments in France. Karl has significant experience in corporate acquisitions and reorganizations, and advises French and International listed and non-listed companies. He leads a team of international la...

Olivier joined Rivière I Avocats I Associés in 2006, as a junior associate dedicated to urban planning and heritage law issues in the real estate restoration operations department, after initial professional experience within a leading law firm. His areas of expertise include urban planning and development, environmental, public property, public real estate contracts and energy. From the moment he joined the firm, Olivier had the ambition to partner with and make the firm count ...

Claudia Weber is a top attorney recognized by Best Lawyers in the practice area(s) of Information Technology Law, Intellectual Property Law, Outsourcing, Privacy and Data Security Law and Technology Law. Claudia, 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 Claudia is held by other top lawyers in the same geographic and legal practice area.

Zhen Huang is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Zhen, 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 Zhen is held by other top lawyers in the same geographic and legal practice area.

Martine Samuelian specializes in banking, investment and payment services as well as in insurance regulation. She also advises clients on banking and financial litigation (civil and criminal courts or independent administrative authorities such as the AMF and ACPR Sanctions Commissions, the ECB). This regulatory specialist leads a strong team dedicated to compliance, anti-money laundering and counter-terrorism financing, prudential requirements, governance and blockchain issues, and has been ...

Cyril Deniaud advises French and foreign clients (listed companies, investment funds, institutional investors and banks) in connection with market transactions (takeover bids, IPOs, issues of shares or securities giving access to capital, delistings, management and employee shareholdings, etc.).