The Group executive committee


The Group Executive Committee works in close and constant collaboration with the members of the Board of Administration and of the Bureau and takes part in the strategic discussions as well as the implementations of the selected objectives.

To ensure the Group and its companies continue to run smoothly, VIVESCIA Group, organised around:

  • Olivier Miaux, director of VIVESCIA Industries, the parent company of the Group's processing businesses (malting, maize processing, milling, industrial bakery, animal feed, and biotechnologies) and Group's financial director.
  • Jean-Luc Jonet, managing director of VIVESCIA Agriculture (the Cooperative and its agricultural subsidiaries).

Under the authority of VIVESCIA's president, Christoph Büren, Olivier and Jean-Luc and their teams will be responsible for managing the Group's economic performance and implementing its strategy.

Jean-Luc Jonet
Managing Director of VIVESCIA Agriculture

January 2019 - Jean-Luc is appointed Managing Director of VIVESCIA Agriculture
2014 - Nealia - General Manager
2012 - VIVESCIA - Director of “Activités Agricoles”
2003 - Champagne Céréales – Field Director
1999 - Champagne Céréales – Regional Director
1985 - Champagne Céréales – several positions - from technical salesman rising rapidly to Regional Manager

2008 Nanterre University – Master in Business Management, option Business Leadership

Olivier Miaux
CFO of VIVESCIA Group and General Manager of VIVESCIA Industries

Career background:

July 2019: Olivier is appointed General Manager of VIVESCIA Industries, while continuing to act in his capacity as CFO of VIVESCIA Group.
December 2018 - Olivier is appointed Chief financial Officer of VIVESCIA Group
2015-2018 - Chief financial Officer of Terrena cooperative group
2008-2015 - Corporate Chief financial Officer of Bel Group
2007-2008 - Head of internal auditing for Bel Group
2000-2007 - Chief financial Officer of Fichet-Bauche Group
Financial Director of the Gunnebo Integrated Security Business Unit
1996-2000 - Director of Management Control for Fichet-Bauche Group
1995-1996 - Internal auditor then Head of internal auditing for Fichet-Bauche Group
1991-1995 - External auditor for Arthur Andersen Audit Paris
1990-1991 - Financial analyst for Fauchier Magnan Durant des Aulnois brokers

Graduate of the Institut Supérieur de Gestion

Fabrice Bourgeois-Armurier
Human Resources, Corporate Communications and CSR Director of VIVESCIA Group

2018 - Fabrice is appointed as Group Human Resources, Corporate Communications and CSR Director  
2012 - VIVESCIA Group - Corporate Communications Director
2007 - Champagne Céréales - Communications Director
1998 - Altadis (sponsoring Formule 1, GP Moto, Paris Dakar) – in charge of communication and sport marketing
1996 - Gauloises Blondes – Senior International Brand Manager
1994 - Altadis Paris - Gitanes International Brand Manager
1992 - Altadis - Japan market Manager (based in Tokyo)

Saint-Etienne Business School, specialisation "marketing international", certified in USA.

Xavier Donnenfeld
Company Secretary of VIVESCIA Group

Career background:
In 2018 - Xavier Donnenfeld was appointed Company Secretary of VIVESCIA Group.
In 2007 - He joined Champagne Céréales as Group Legal, Tax & Insurance Director
In 2006 - He joined Tekelec – a listed American company that specialises in telecoms and core networks – as Legal and EMEA Development Director
From 1994 to 2006 -Xavier started his career with Norsk Hydro before joining the Commissariat de la Marine (DCN). He was then a lecturer at Heidelberg University.
He joined the German group, Liebherr, in 1998, where he worked as Legal Manager for France, as Group Captive Insurance Manager, and finally, as Legal Director for anglo-saxon countries and DGA for Liebherr Mining.

Xavier has a DJCE - DESS degree from Montpellier law faculty, specialising in corporate and tax law, as well as a Master of Law from Perth University (Australia) and Oslo University (Norway).
He also obtained an Executive MBA from NEOMA Business School in 2016.

Patrick Bordessoule
Managing Director of NutriXo

September 2019: Patrick is appointed managing director of NutriXo.
2009: Patrick joins Dirigeants & Investisseurs Group. Working as managing director, he oversees an improvement in the operational efficiency of companies in a variety of industries (food industry, electronics, timber, etc.).
2008-2009: Managing director of the Frozen Bakery Europe division and President of Premier Foods Group's French subsidiaries
2002-2007: CEO of Sofrapain's French subsidiaries – Martine Spécialités – RHM Group
1999-2002: CFO of the European division, operational business development manager for Sofrapain/Martine Spécialités – RHM Group
1994-1998: CFO of Sofrapain - RHM Group's French subsidiaries
1987-1994: Manager at Arthur Andersen Audit Paris

Degree in chartered accounting - graduate of ICS.

Charles L'Helgouac'h
Managing Director of KALIZEA

2018 - Charles is appointed Managing Director of KALIZEA as of 1 March 2018.
2017 - He moves to Romania to head up the development of the new subsidiary, KALIZEA-Boromir.
2007 - Charles joins VIVESCIA Group as commercial director of KALIZEA. He is involved in the acquisition of the Polish production site in 2008 and manages the commercial and logistic teams in France and Poland.
2001 - Charles joins LESAFFRE as sales manager for Europe, North America and Asia for Fermentis.
1998 - He then joins Newly Weds Foods, as R&D manager, before being appointed sales manager for New Food Ingredient in France.
1996 - Charles begins his career as an R&D engineer and process manager for Franstead, which is part of Bourgoin group.

Charles is a trained biochemist with a degree in agronomic engineering from ENSAIA (Ecole Nationale Supérieure d'Agronomie et des Industries Alimentaires) in Nancy.


Armand Barré
Managing Director of NEALIA

Career background:
April 2019 - Armand is appointed Managing Director of NEALIA
2018 - Appointed Commercial Director of NEALIA
2015 - Appointed Territory Manager for VIVESCIA cooperative
2011 - Appointed Managing Director of Champ’Énergie
Armand began his career in 1999, as marketing manager for Champagne Céréales, before taking on a variety of management responsibilities in the field
1997 – First cooperative mission in Tunisia, under contract with SOFIPROTEOL (now AVRIL group)
Armand is an agricultural engineer with a degree from ESITPA Rouen, as well as an Executive MBA from NEOMA Business School, obtained in 2018

Olivier Parent
Managing Director of Malteurop

2017 - Malteurop – General Manager
2012 - Chamtor – General Manager
2003 - VIVESCIA Group – Operations Director Agriculture Division, then also President of Agriliance (Transport subsidiary)
1988 - UNILEVER Group
1998-2003 - Industrial Director France, then Southern Europe for Diverseylever
1995-1998 - Plant Manager in Vietnam
1988-1995 - Several positions (Supply Chain, Projects, Production) in France and Brussels 

Other function(s)
Bureau member at the I.A.R. competitiveness hub (Industry and Agro Resources)
VIVESCIA Industries representative at the IMPROVE Council

Engineer graduated from “Arts et Métiers ParisTech” (Ecole Nationale Supérieure d’Arts et Métiers)

Jean-Christophe Duval
Managing Director of ARD

Career background:
On 1 July 2018 - Jean-Christophe was appointed Managing Director of ARD and President of Wheatoleo, a subsidiary of ARD founded in 2010.
In 2015 - Jean-Christophe joined ARD as Business Development Director. He was also appointed Managing Director of its subsidiary Wheatoleo, which produces bio-based surfactants.
In 2013 - Working for the European agency EIT/Climate KIC, promoting sustainable growth while limiting the effects of climate change, Jean-Christophe was appointed Director of Entrepreneurship; he created an accelerator for 30 start-ups and developed innovative projects between major groups, R&D centres, and start-ups.
In 2006 - Jean-Christophe founded NOVIALYS, a consultancy firm devoted to innovation and the acceleration of start-ups investing in sustainable growth. He carried out a number of roles for start-ups, managed an SME implementing a recovery plan, and, more generally,
provided consulting services for a ministry, recommending solutions to facilitate the transition from academic research to corporate innovation.
In 2002 - Jean-Christophe joined the Canadian petrochemical firm Acetex – a spin-off of Rhône Poulenc – where he worked as Commercial and Marketing Director until it was acquired by the American firm, Celanese.
In 1998 - Jean-Christophe headed up the "Specialty chemistry" business unit for Atochem (which became Arkema) in Asia, based out of Japan. He then moved to head office to manage the strategic plan for Asia and development projects.
In 1989 - Working for Elf Atochem, after a first position as commercial manager in Lyons, Jean-Christophe managed commercial, marketing, and industrial development for several international regions, from Eastern Europe to China.

Other role(s):
Member of the Group's Executive Committee (Comex), Member of the UIC (union of chemical industries) and the IAR competitiveness cluster

Jean-Christophe Duval graduated from Bordeaux's KEDGE Business School