Your partner in agronomic experimentation

ANTEDIS now has more than 80 employees and 20 farmer-partners. Most employees come from an agricultural background and receive additional and specific training on a regular basis. ANTEDIS completes its wide geographical coverage of France through a network of correspondents and partners in France's major crop production areas. The company is characterized by light structural expenses, allowing quick adjustments to the constant changes in the market's requirements.




After initial agricultural training, Olivier MARCHAL now counts 25 years experience in cereal seed production. He joined the Roy Bridge company in 1987, with mission to create a quality control service. He took over general management of the company in 1992 strengthening its strategic positioning in terms of quality and technical knowhow. He diversified his activities through: crop variety experimentation for breeders and production of flax, developing the concept of seed doses (EPIDOSE), setting up seed production for breeders / fundamentals (by breed line) and seeds for testing. In 2005, following a devastating fire, he rebuilt a modernised industrial tool. In 2009, Saaten Union Research entered the capital of the SAS Roy Bridge. Olivier Marchal remains a minority shareholder and manager of operations. ANTEDIS shareholder since 2004, he took over the company's presidency from co-fonder Jean-Paul CLICHY in 2011.


Managing Director

With a degree in Agricultural Engineering from the Institut Polytechnique Lasalle Beauvais, Baudoin FAVREAUX began his career as a farm management advisor then as Director of two agencies of a management center. He then worked several years as a consultant to a clientele of business leaders from the agricultural world to support them structurally, before taking over the General Management of a seed production company in the Center region. He also worked as a farmer. Baudoin joined ANTEDIS as Managing Director on 1st August 2018.

Anne-Charlotte MARCHAL

Financial and Human Ressources Director

Holding a Master's degree in Social Engineering and a bachelor's degree in Financial Management, Anne-Charlotte Marchal was Manager of an agricultural training organization then Director of a structure of the social economy of about thirty employees then, in charge of the coordination of a network of 13 structures of the solidarity economy. She joined ANTEDIS in 2011 as Financial and Human Resources Director.


Jean-Charles CLOIX

Plant Protection and Nutrition Managing Director

Holding a degree in crop protection, Jean Charles acquired 6 years of experience as an experimentation technician, and as an experiment station manager before joining Antédis in 2012 as a project manager with the responsibility of implementing the experiment unit in Saint Vérand (71). Jean-Charles is currently working at Antédis as Plant Protection and Nutrition Managing Director.

Olivier MASSON

Plant Protection and Nutrition Managing Director - GEP supervisor

Olivier MASSON has 15 years of experience in phytosanitary experimentation while managing a farm and worked for several agro-chemical companies. During this period, he managed a team focused on conducting GEP-GLP trials. As a service provider in experimentation for ANTEDIS since 2005, Olivier MASSON took the position of plant nutrition and protection operations director. After Patrick DANLOUP's retirement, he took in charge the plant nutrition and protection trials coordination and especially the GEP trials. He's currently based in Saint Martin des Champs in Ile de France.

Estelle PERRIN

Plant Protection and Nutrition Managing Director - GEP supervisor

An agricultural engineer, Estelle has more than 10 years of experience in the management of experimental stations and GEP trials. She joined ANTEDIS in 2016. Based in the Lorraine region, she assumed the role of project Manager and GEP supervisor.

Laurent RABOT

Plant Protection and Nutrition Managing Director

As the assistant to the plant nutrition and protection operations director, Laurent spent most of his career in agronomic experimentation for all crops (potatoes, rape, maize, sunflower, vegetable crops, viticulture, arboriculture, flower crops), performing GEP trials and variety trials. He acquired almost 15 years of experience as an agricultural experiment station manager. Within this context, he managed a team to implement and keep track of GEP/GLP trials. He also participated in the coordination of a GEP/GLP national trials program. He was a member of the CEB commission. He joined ANTEDIS in 2014 and is currently based in Tours in Indre et Loire.


Assistant to the Plant Protection and Nutrition Managing Director

Alain MONNET joins ANTEDIS in 2014 with 4 years of experience as a phytosanitary experiment technician, 8 years as a GEP regional manager, and 3 years as a seed-trials national manager. He is currently based in Puy de Dôme as an assistant to the plant nutrition's and protection's operations director.

Plant nutrition and protection managers


Project Manager

Holding a DUT in Agronomy, Hervé has more than 10 years of experience in agronomic experimentations on all crops and arboriculture. Manager of a GEP/GLP trials' program and technical manager of GEP experiments for agrochemical products and variety assessments, he also has been in charge of training GEP/GLP teams before joining ANTEDIS in 2015 as project manager based in Tours.

Guillaume LIEVEAUX

Project Manager

Holding a certificate in plant technologies and protection, Guillaume acquired more than 10 years’ experience as an Experimentation Technician with the responsibility of setting up GEP and GLP trials on all types of crops (Arable crops, vegetables, arboriculture and Vine). Guillaume joined ANTEDIS in February 2017 as project manager.

Aurore MAYER

Project and Data Manager

Holding a MASTER degree in plant production and agribusiness, Aurore acquired 4 years of experience as an experimentation technician. She joined ANTEDIS in 2009 as a project manager and head of data monitoring. She is based in the Jalons experiment unit, in the Champagne region (51) .

Philippe NEGRINI

Project Manager

De formation ingénieur en Agriculture, Philippe NEGRINI a près de 10 ans d’expériences en expérimentation agronomique, tout d’abord en tant qu’Assistant Ingénieur en Expérimentation, puis chef de projet développement pour finir responsable de projet développement (recherche, homologation) à l’international dans un grand groupe de l’agrochimie. Philippe a rejoint ANTEDIS en juillet 2018 en tant que chef projet dans le Sud, à Beaupuy (32).

Arnaud PATAT

Fertilization Project Manager

Holding a BTSA in plant technology. Arnaud has joined ANTEDIS in 2002 where he's currently working as a phytosanitary products' experimentation technician. Arnaud manages a GEP sales & support program based in Jalons in Champagne (51). He is also in charge of the fertilization trials project's management.


Project Manager

Holding a certificate in Plant Production, Audrey acquired more than 5 years’ experience as an Experimentation Technician and Project manager. She then worked more than 2 years in The French Directorate General for Food before becoming Director of GEP Phytosanitary Studies. Audrey joined the ANTEDIS team as Project manager in September 2017.


Thierry LOGIE

Operations Director of the Variety Assessment activity | Fieldwork reference contact for SOUTHERN area | Winter Cereal crops, Corn Maize, Sunflower, Sorghum, Winter Protein crops...

Specialist in crop growing, Thierry LOGIE joined ANTEDIS after the take over of CULTIVANCE where he had spent over 17 years, primarily in charge of seed testing. He is now in charge of sowing and harvesting services as well as evaluation and testing of varieties for Southern France. He is also in charge of the Levroux station.


Operations Director of the Variety Assessment activity | Fieldwork reference contact for NORTHERN area | Rape, spring Cereal Crops, spring Protein Crops...

After working for 15 years as a notoriuous plant breeder, Pascal VASSORT, also caracterized by an agricultural background, joined ANTEDIS in 2007 to manage international relationships and the "variety assessment service"


Specific Services Operations Director (Sowing, Harvesting)

Patrice COURTIN is based at Jalons en Champagne where he is in charge of ANTEDIS equipment. In 2007, he also took over the management of the "Sowing & harvesting" activity. With a degree in plant production, he worked for 7 years as a breeding technician for the CAMBIER company.

Internal seeds assistants

Marie-Claude PLOQUIN

Assistant to the Seed Operations Director - SOUTH region

Currently working in Coings and holding a BTS in plants production, Marie-Claude joined ANTEDIS in 2008 during the acquisition of the CULTIVANCE company. She possesses a great experience as a plants selection and experimentation technician / assistant.


Assistant to the Seed Regional Operations Director - NORTH region

Luc has worked nearly 20 years as a creative and conservative breeding manager at a breeding company before joining Antedis in 2004. Currently working at the experimental unit of Jalons en Champagne (51), he supervises the North and South zones seeds trials in collaboration with Pascal Vassort.

External seeds assistants

Philippe-Louis AUCLERT

Assistant to the Operations Director - SOUTH region

Holding a Plants Technologies BTS and a Plants Technologies professional Bachelor, Philippe acquired experience as an Experimentation Technician since 2008 at Antedis. Currently working in Coings (36), he currently assists Patrice Courtin in managing the sowing and harvesting operations and also in managing the equipment fleet in the South zone.

Strong involvement in the profession

ANTEDIS is a member of :

  • ASF (Association des Sélectionneurs Français)
  • APSEA (Association des Sociétés Françaises Prestataires de service en Expérimentations Agronomiques).
  • AFMEX (Association Française pour la Mécanisation en Expérimentation Agronomique) dont M. Patrice COURTIN est le Président
  • UFS (Union Française des Semenciers)
  • VEGEPHYL (association pour la santé des végétaux) anciennement AFPP (Association Française de Protection des Plantes) 

The project manager

Nutrition and protection of plants operational directors are assisted by project managers. The project manager :

  • is in charge of the trials programs and ensure their proper monitring,
  • writes and/or validate protocols
  • manages how the trials are performed,
  • makes sure that experimentation technicians follow the proper BPE practices ,
  • is in charge of the data entry in ARM and Excel, he also writes trials reports.

The seeds assistant

  • The crop assessment operational directors are assisted on field by their assistant.

    The seeds assistants have the mission to help the operational Directors manage their trials in their geographic zone They manage the crop assessment stations with the help of the technicians teams.