Jeanne YSEWYN is a Junior Associate in the Private Clients Department at Zabaldano Avocats, Monaco.

She specializes in private international law, international criminal law and business law.

Alongside Valérie ZOCCOLA and Lamia M’ZEBLA, Jeanne assists Monegasque and international corporate and private clients.

In private international law, she handles complex inheritance and child custody disputes, as well as banking and financial litigation.

She is also involved in international criminal and business law.

Jeanne joined the firm in 2023 after working for a portfolio management company.


  • Master of Laws LL.M. in Transnational Crime and Justice – United Nations Interregional Crime and Justice Research Institute UNICRI
  • Masters in Business Law – University – Paris Nanterre
  • Professional Certificatation for financial market participants from the French Financial Markets Authority (AMF)


  • French
  • English