GENESIS AVOCATS - Key Persons


Aïda Diallo-Le Camus

Job Titles:
  • Associate

Delphine Liebeaux

Job Titles:
  • Associate
  • Senior Associate and Director of the Public Contracts Department
Delphine Liebeaux is a senior associate and Director of the Public Contracts Department at Genesis Avocats since 2007, after having worked for four years as an associate in a Parisian law firm specialized in public and environmental law, alongside the founding partners of Genesis Avocats.

Georges Rooz

Job Titles:
  • Counsel
A graduate of the Ecole Nationale d'Administration (ENA) and the Ecole des Hautes Etudes Commerciales (HEC), Georges ROOZ was Chief Financial Officer and Head of Audit of international subsidiaries at Orange for 15 years. He then joined the financial courts as a magistrate from 2004 to 2016. His functions within the Regional Chambers of Accounts led him to audit numerous public bodies. He was also in charge of auditing the accounts of the United Nations Secretariat in New York.

Hervé Kobo

Job Titles:
  • Associate
Hervé Kobo is an associate lawyer at Genesis Avocats and brings his expertise in consulting and litigation in the various fields of public law, local authorities, administrative policies, administrative liability, public contracts and, more generally, public business law. He is also particularly active in the fields of urban planning and the environment. Hervé Kobo has a doctorate in public law since 2017. He worked for nearly three years at the Department of Public Liberties and Legal Affairs of the Ministry of the Interior, time during which he developed in-depth expertise in administrative policy litigation, liability and administrative sanctions, as well as in sports law. Hervé Kobo entered the Paris Bar School in 2020 and completed his final internship at a major Parisian business law firm in the first half of 2021. Enthused by litigation strategy, the protection of fundamental freedoms as well as the accompaniment of institutions, he teaches constitutional law in first year of a Law degree at the Catholic University of Lille, and public contracts in Master 2 at CY Cergy Paris University.

Isabelle Cassin - CEO

Job Titles:
  • Managing Partner
  • Member of the Paris Bar
Isabelle Cassin brings her expertise in consulting and litigation in the fields of planning and urban development (planning authorizations, planning documents, development operations, planning taxation, expropriation and pre-emption...), real estate and environment, and more broadly public business law. She has developed a recognized expertise in commercial town planning. Isabelle Cassin has been a member of the Paris Bar for more than twenty years. She co-founded Genesis Avocats in 2007 after having worked as an associate and then as a partner in a Parisian law firm specializing in public and environmental law. She acts in particular on behalf of major public and private operators in the context of large-scale projects (office buildings, commercial complexes, major tourist facilities, transport infrastructures, etc.) which raise cross-cutting issues of urban planning law, public law and environmental law, for which she has developed particular expertise. A recognized expert with a passion for law and litigation strategy, she has taught urban planning law and litigation at the Institut d'Etudes Politiques de Paris (Master's Degree in Urban Planning) for twenty years and regularly provides training courses in urban planning and development law. She has published a book on local urban planning. She is a member of the editorial committee of the Bulletin de Jurisprudence du Droit de l'Urbanisme (BJDU) and co-author of Lamy Immobilier.

Justine Menesplier

Job Titles:
  • Associate

Marie-Yvonne Benjamin - CEO

Job Titles:
  • Managing Partner
Marie-Yvonne Benjamin advises and litigates in the management of major projects and complex operations requiring public and private analysis, the management of public services (water, transport, waste, ports) or construction, development and environment (real estate projects, infrastructure, energy). She is a recognized specialist in advising public companies. She provides expertise in construction law.

Pierre-François Ozanne

Job Titles:
  • Associate
  • Member of the Paris Bar
Pierre-François Ozanne brings his expertise in counseling and litigation for everything that affects the life of a company, whether it is business law, contract law, labor law or business criminal law. He has also developed an appetence for civil, commercial and criminal procedure, as well as for all matters relating to enforcement. Pierre-François Ozanne has been a member of the Paris Bar for more than twenty years. He joined Genesis in 2020 after having worked as an associate in several Parisian law firms specialized in business litigation. Equally at ease advising a small SME or a multinational company, he also participated in 2002 in the creation of a company specialized in publishing - which he himself managed for two years - which gave him a good knowledge of the very concrete and varied issues that can arise in business life.