GMH is a regular advisor to both public and private developers. For example, they have supported the developers of the ZAC CENTRE VILLE in CHAVILLE (92), CORENTIN CELTON, GARIBALDI, FORUM SEINE, and LEON BLUM in ISSY LES MOULINEAUX (92) for SEMADS and SEINE OUEST AMENAGEMENT, as well as EIFFAGE AMENAGEMENT’s operations for the “CITE INTERNATIONALE DE LA GASTRONOMIE ET DU VIN” in DIJON (71), “ZAC DES HAUTS DE JOINVILLE” in JOINVILLE LE PONT (94), and “ZAC CENTRALE” in CHATENAY MALABRY (92).
Having encountered pollution issues as early as the 1990s (ZAC FORUM SEINE) and being among the first to implement site decontamination agreements, GMH gained experience in the redevelopment of polluted sites, whether due to pyrotechnic or industrial pollution. For instance, GMH was involved in the redevelopment of the FORT D’ISSY LES MOULINEAUX (92) and the BA 122 in CHARTRES (28).
Additionally, GMH is regularly involved in significant tertiary real estate projects such as the “LE CARRE” redevelopment of the historical building “l’INTERNATIONAL” for AKERA-PIERRE ETOILE in MONTIGNY LE BRETONNEUX (78), “GREEN OFFICE EN SEINE” for BOUYGUES IMMOBILIER in MEUDON (92), “NOUVEL’R” for SOGEPROM in NICE (06), and projects in VAL DE FONTENAY (94) and CACHAN (94) for BPD MARIGNAN, encompassing sales of buildings under future completion, existing property sales, and drafting real estate development contracts.
Furthermore, in 2019, GMH received the “notaire conseil en droit en l’environnement” label, recognizing their expertise in environmental law.
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Olivier joined the office in 1998 and has been a partner since July 2000.
After spending his first four years at the Orléans Law School, he obtained a DESS in notarial law (1993) and then the Diplôme Supérieur du Notariat (1997) from the University of Paris 1.
He defended his dissertation with Professor Denis Mazeaud on “the particularities of a mass distribution company sale”.
In parallel with his activities as a notary, he has long been involved in teaching, successively as a lecturer in Orléans in property law and company law (1993-1997) then as a lecturer in the Master II in real estate law directed by Professor Perinet-Marquet at Paris II Panthéon Assas (2004-2012). He continues to give regular training courses (INAFON, LEXTENSO and ELEGIA).
Olivier is a regular author of LEXIS NEXIS and LAMY- WOLTER KLUWERS editions on real estate matters. More particularly sensitive to pollution and environmental issues, he is a member of the editorial board of the journals “BULLETIN DE DROIT DE L’ENVIRONNEMENT INDUSTRIEL” and “ENVIRONNEMENT ENERGIE ET INFRASTRUCTURES”, and holds with Professor Mathilde BOUTONNET a chronicle of jurisprudence.
He is a member of the Institut d’Etude Juridiques du Conseil Supérieur du Notariat and of the Scientific Committee of the CRIDON DE PARIS.
He was General Reporter of the 2011 French Notaires’ Congress on the theme of financing and is the President of the Congress to be held in 2021 on the theme of “digital and the law”, the aim of which will be to study the impact of digital technology on the content of the rule of law, in the areas of individual rights, heritage and contracts.
In parallel to his work as a notary, Olivier was Chairman of the Supervisory Board of a credit company and sits on the Board of Directors of the National Chamber of Owners.
He has exercised ordinary functions being elected by his peers as vice-president then president of the Chambre des Notaires des Hauts de Seine (May 2012/May 2015).
Former reserve officer of the National Gendarmerie (EOR 93/11), he is President of the Issy les Moulineaux Committee of the Amis de la gendarmerie.
He is more particularly in charge of the complex real estate sector, development, commercial real estate and local authorities.
Clothilde GREFF joined GMH notaires in 2002.
She was appointed as a notary in June 2010.
After obtaining a DEA in Private Estate Law at the University of PARIS I La Sorbonne in 1998, she obtained a DESS in Notarial Law in 2001 and then the Diplôme Supérieur du Notariat in 2003 from the University of PARIS I.
She wrote a dissertation with Professor Périnet-Marquet on “Le juge des référés et le droit de biens” as part of her DEA and on “Les baux commerciaux dans les ventes en état futur d’achèvement” as part of her DESS.
She co-leads with Me Olivier HERRNBERGER the department of professionals, and more particularly manages the department of local authorities.
From 2010 to 2013, she was a lecturer in the Master II in Real Estate Law directed by Professor Perinet-Marquet at Paris II Panthéon Assas.
She participates with the Paris Notaries’ Chamber in the work of the Association des Notaires des Métropoles Européennes (ANME) and is in charge of relations between the Hauts-de-Seine and Moscow Notaries’ Chambers.
She is co-chair of the “Communities” Commission of the Chamber of Notaries of the Hauts-de-Seine and was a member of the “Companies and Corporations” Commission.
Finally, she carried out an ordinary mission as a member of the Chamber of Notaries of the Hauts-de-Seine from May 2015 to May 2018.
In 2020, Clothilde obtained a Master II in public law at the University of Aix-Marseille.
Après avoir obtenu une maîtrise en droit à l’Université d’Exeter au Royaume Uni dans le cadre du programme ERASMUS, Nicole s’est orientée vers le notariat et a obtenu le diplôme de 1er clerc de notaire.
Après avoir travaillé dans une importante étude des Hauts de Seine puis dans une étude parisienne, elle a rejoint GMH en juin 2017.
Elle travaille aux côtés d’Olivier HERRNBERGER et suit avec lui une clientèle de professionnels sur des opérations d’aménagement et de promotion immobilière.
Alicia a rejoint GMH en novembre 2017, après un stage en cabinet d’avocat à Athènes. Titulaire d’un master 2 orienté vers le droit international privé, elle est vice-président de l’association ADENE Master 2 droit notarial Paris sud. Elle travaille dans le service des professionnels et intervient plus particulièrement sur des opérations d’immobilier d’entreprise, de droit commercial et d’aménagement. Elle a obtenu le diplôme de notaire en 2020, après avoir soutenu un mémoire sur “la genèse d’une opération d’aménagement”.
