Jean-Gabriel Griboul

Ariane has more than 20 years of experience in the banking and finance practice by representing borrowers and lenders in domestic and international transactions in particular in the private equity and corporate sector. She works alongside companies at all stages of their financing needs, structuring with the choice of appropriate financial product (senior debt, unitranche, mezzanine debt, etc.) to closing.

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...

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...

Adam Haddad is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law and Real Estate Law. Adam, who practices law in Paris, France, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Adam is held by other top lawyers in the same geographic and legal practice area.

Jean-François Puget is a top attorney recognized by Best Lawyers in the practice area(s) of Insolvency and Reorganization Law, Litigation and Trade Law. Jean-François, who practices law in Paris, France, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jean-François is held by other top lawyers in the same geographic and legal practice area.

Alexandre Marque is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Leveraged Buyouts, Mergers and Acquisitions Law and Private Equity Law. Alexandre, who practices law in Paris, France, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alexandre is held by other top lawyers in the same geographic and legal practice area.

Catherine Saint Geniest has extensive experience in complex real estate transactions such as real estate development contracts, commercial leases or leases in future state of completion. She is also involved in sales transactions, both in the context of deals and litigation. Prior to joining Jeantet in 2013, Catherine was a partner at Rambaud Martel and then at Orrick where she headed the real estate department. Catherine is a former member of the Paris Bar Council, Chartered Surveyor –...

Pauline Arroyo is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law, Litigation and Product Liability Litigation. Pauline, 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 Pauline 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...

Catherine Castro has strong expertise in the real estate sector: acquisitions/takeovers of completed or in future state of completion buildings, acquisitions/takeovers of immovable assets portfolios, sale and leaseback, leases (commercial leases, including in future state of completion), construction and property development.Catherine Castro specializes in all kinds of assets: offices, warehouses, complex buildings. She participated in numerous transactions in the hotel industry in France and...