4 rue Castellane - 75008 Paris - France

Tel : +33 (0)1 42 55 00 07

The Team

Chief Executive Officer

Patrick Colomer

Property expert

Contact by e-mail
See the profile

Patrick Colomer - Property expert

Founding Manager of the company Colomer Expertises - Expert for the Court of Appeal of Paris, real estate expert accredited by the Court of Cassation.

Member of:

  • The National Institute of Property Law Experts (CNEJI)
  • Chair of the Institute of Legal Experts in Leasehold Values and Business Assets sworn in by the Court of Appeal of Paris
  • Chartered Surveyor MRICS
  • Chair of the Database and Real Estate Search (BDRI)


March 2007 - Present

Founding Manager of the company Colomer Expertises


1990 - March 2007
Associate of Mr Michel Marx,
expert in estimating leasehold values and
funds of commerce and real estate estimates
for the Court of Appeal of Paris,
real estate expert accredited by the Court of Cassation.

Publications: Co-editor of the Dalloz Law and Commercial Lease Practices


  • Since 2003 in the district Town Halls of for the Chamber of Commerce and Industry of Paris and in the days of the transmission to the bourse of Trade
  • Forum des Sites (Forum organised by a specialist commercial property periodical)
  • International Institute of Development: Commercial Leases



Master’s Degree in Private Law, major in Legal Professions from the University Paris XII

Member of the RICS (Chartered Surveyor)
Institute of Economic and Legal Studies applied to Construction and
Housing (ICH) - Property Tax: Problems with the Building and Property Economy


Hugo Le Moing


See the profile

Hugo Le Moing - Expert

He joined the firm in 2015. Hugo has the bonus of having a multi-disciplinary background: legal (Bachelor of Law) and financial (Master of Management - Paris Dauphine University), as well as property (Post-Graduate Diploma in the Property Business - Pantheon-Sorbonne University (Paris 1).


Séréna Marie-Victoire

Property Expert

See the profile

Séréna Marie-Victoire - Property Expert

After studying at University in Italy, Séréna Marie-Victoire went on to adopt a variety of roles within companies specialised in marketing and property valuation, and within the English office of the Board of Property Experts, the Retail Consulting Group (formerly Matthews & Goodman then partners of CB Richard Ellis).


Her speciality is increasing the value of leasehold rights and business assets for retailers in the form of portfolio, in mainland France.

Jeanne Julien


See the profile

Jeanne Julien - Expert

After three years of studying at the Paris Higher Institute of Management, Jeanne Julien obtained a Master’s Degree in Marketing, followed by a Post-Graduate Diploma in the Propert Business from the Sorbonne. She joined us in 2010.

Bastien Hoorman


See the profile

Bastien Hoorman - Expert

After working for La Poste, the Société Générale and a subsidiary of Aviva France, Bastien Hoorman joined us in 2008.


He obtained a Post-Graduate Diploma in the Property Business from the Pantheon-Sorbonne University (Paris 1).

Anthony Odile


See the profile

Anthony Odile - Expert

After three years of studying at the Bordeaux National Institute of Architecture and Landscape, Anthony Odile obtained a Master’s Degree in Valuing and Appraising from the Institute of Economics and Law applied to Construction and Housing (ICH), and joined us in 2010.

Flore Laufer


See the profile

Flore Laufer - Expert

After obtaining a Master of Finance from La Sorbonne and a French Post-Graduate Degree CAAE (Certificate of fitness to the administration of enterprises) from the Aix en Provence Business School, Flora Laufer spent ten years working in the high-end market. In 2011, she obtained a Master’s Degree specialised in Construction and Property Law from the Assas University (Paris II). She joined us in 2012.

Delphine Achache


See the profile

Delphine Achache - Expert

After 3 years of training in real estate, Delphine Achache worked for 10 years for a property manager and joined the firm in 2018. It specializes in the valuation of residential properties.

Romain Usmer


See the profile

Romain Usmer - Expert

Romain USMER graduated with a Master's degree in Land Estimation from the Ecole Supérieure de l'Immobilier (ESI, a school dependent on FNAIM and the University of Perpignan Via Domitia) and joined the Colomer Expertises team in November 2017, after a first experience in alternating rental management within the Foncia network.

Axel Parodi


See the profile

Axel Parodi - Expert

Axel PARODI graduated with a Master 2 in real estate law (University of Nice-Sophia Antipolis and ESI) and joined the firm in October 2019, after two years of experience in valuation for the real estate sectors of Renault DSMI and BPCE Lease.

Dian Widareni


See the profile

Dian Widareni - Expert

After obtaining a Bachelor's degree in Architecture from Diponegoro University (Indonesia - Semarang), a Master's degree in Construction Law from Paris XII University - Créteil, Dian joined a major insurance company in 2017 as a property and casualty claims manager and then joined the firm in February 2019.

Mégane Burg


See the profile

Mégane Burg - Expert

Mégane joined the firm in January 2019. After a first training in accounting (DCG and DSCG), she is preparing a Master's degree in Audit Expertise and Real Estate Consulting at ESPI Paris.