PRIMEXIS - Key Persons


Alexis Gasto

Job Titles:
  • Member of the Executive Committee
  • Partner International Business Services
Alexis supports the subsidiaries of international groups to set up and develop in France. He has a broad field of expertise that enables him to cover accounting, tax and reporting issues. For more than 10 years, He has been working with international clients in the Services, Hospitality and Real Estate sectors for a Big four's accounting and financial support department.

Chrystelle Héberlé

Job Titles:
  • Member of the Executive Committee
  • Partner Controlling and Consolidation
A Chartered Accountant, Chrystelle Héberlé is in charge of business development and managing the Consolidation and Reporting service line. She also leads the management control activity composed of 25 consultants.

Daniel Wickers

Job Titles:
  • Member of the Executive Committee
  • Partner Real Estate
A sector specialist, Daniel Wickers manages a team of 30 employees supporting real-estate businesses in their common accounting management projects in the context of setting-up acquisition/sale projects.

Eric Chenailler

Job Titles:
  • Member of the Executive Committee
  • Partner International Business Services
A Chartered Accountant, Eric Chenailler oversees outsourced accountancy assignments, mainly for non-core business subsidiaries, but often consolidated, listed French groups, both industrial and banking groups (holdings, SPV portfolios, run-off activity etc.). He also specializes in asset financing.

Gaëtan Lemaître

Job Titles:
  • Member of the Executive Committee
  • Partner Payroll and HR Administration
In 2008, Gaétan joined an accounting firm to launch and manage payroll outsourcing services. As National Director of the Payroll offering, he had been in charge of developing and promoting SIRH, payroll management services and social consultancy for the past 3 years.

Guillaume Hubert

Job Titles:
  • Member of the Executive Committee
  • Director Controlling
Guillaume Hubert holds a Master's degree in Corporate and Market Finance. He mainly assists financial departments in performance management and operational consulting. He has an in-depth knowledge of reporting and cash management issues.

Héloïse Hegy

Job Titles:
  • Member of the Executive Committee
  • Director Interim Management and Accounting Support
Within this department, Héloïse Hegy coordinates a wide range of actions relating to client satisfaction, to the achievement of assignments, employee follow-up and recruitment. She intervenes directly in a number of structures with a team of approximately forty employees dedicated to this activity.

Jack Capps

Job Titles:
  • Certified Public Accountant
  • Member of the Executive Committee
  • Director Real EState
Jack Capps, a certified public accountant, assists French and international real estate investment funds throughout the investment cycle (acquisition, operation, realization and portfolio arbitrage). In particular, he has in-depth knowledge of specialized vehicles such as OPCIs, SIICs and other FIAs.

Jean-Christophe Lemière - Managing Director

Job Titles:
  • Managing Director
  • Member of the Executive Committee
Jean-Christophe Lemière manages the Banking - Insurance - Consulting department dedicated to this sector's accounting and finance departments. Since 2016 he has also led the Accounting and Finance Assistance department.

Katia Panaget

Job Titles:
  • Member of the Executive Committee
  • Director / Consolidation & Reporting Group
With a master's degree in Auditing, Controlling, and Accounting, Katia Panaget started her career in consolidation with a major French dairy cooperative group before joining Primexis in 2015. Since then, she has been assisting French and international groups with preparing their consolidated financial statements as well as with financial consulting assignments.

Matthew Parry

Job Titles:
  • Member of the Executive Committee
  • Partner
  • Partner Group Information System Integration
A specialist in change management for finance-function transformation projects in international environments, Matthew Parry supports finance and accounting departments in the implementation of information systems, assistance in the production of financial information, process reviews and the bringing into compliance of internal systems controls and audits. Holder of a Master 2 in International Financial Management and an MBA from the IAE Graduate School of Management in Aix en Provence, Matthew Parry joined the group information-systems integration division in 2014 as a Director. After starting his career in the Consolidation and Reporting departments of the Big 4, he then joined a specialist consulting firm working on the integration of consolidation and reporting systems in order to develop his software expertise, whether related to implementation or project-management assistance. A specialist in change management for transformation projects related to the finance function of international environments, Matthew Parry supports accounting and finance departments within the context of implementing systems, assists the production of financial information, reviews processes and helps to bring internal controls and system audits into compliance.

Matthieu Brongniart

Job Titles:
  • Member of the Executive Committee
  • Partner Consolidation and Reporting
A Chartered Accountant, Matthieu Brongniart specializes in assisting companies in the preparation of their consolidated accounts. An IFRS expert, he works on consulting assignments, particularly within the framework of business-combination operations or the sale of business divisions, transitions to IFRS standards or on IPOs.

Nathalie Severin

Job Titles:
  • Member of the Executive Committee
  • Director Social & HR Consulting
Nathalie Severin holds a Master's degree in HR and has held several positions in international SMEs and ETIs. For more than 20 years, Nathalie has acquired a strong expertise in development, HR consulting, project management and transformation.

Olivier Carlier

Job Titles:
  • Member of the Executive Committee
  • Partner Consolidation and Reporting
Olivier Carlier specializes in preparing consolidated accounts under IFRS standards for listed groups operating in various business sectors and, more specifically, real estate. An IFRS expert, he regularly works on consulting assignments linked to business combinations.

Olivier Gentile

Job Titles:
  • Member of the Executive Committee
  • Partner Group Information Systems Integration
Olivier Gentile coordinates a team of 25 consultants with the dual-competence of information systems and consolidation, specialists in integrating EPM/CPM solutions, acting within the framework of implementation projects, application maintenance and training.

Olivier Touchard

Job Titles:
  • Chairman of the Executive Committee
A chartered accountant, Olivier Touchard has been Chairman of the firm since 2007. He is also a member of the European governance committee of the Leading Edge Alliance.

Robert Filser

Job Titles:
  • Member of the Executive Committee
  • Partner Banking Insurance Consulting
Robert Filser oversees Banking and Insurance Consulting services (regulatory, operational assistance, accounting controls, management controls and data management) and predominantly consulting assignments (operational consulting and the transformation of the finance function).

Sébastien Courbe - Managing Director

Job Titles:
  • Managing Director
  • Member of the Executive Committee
A chartered accountant, Sébastien Courbe manages a team of 80 employees spread over three service lines dedicated to consolidation and reporting, to the integration of group information systems and to management audit.