Our Team

François MONTESTRUC
CEO
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François MONTESTRUC

François is a statistician and co-founder of eXYSTAT. He puts his methodological expertise and experience at the service of the teams, whilst leading the company’s business development.

Julie LE BOULICAUT
CEO
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Julie LE BOULICAUT

Julie is a data manager and co-founder of eXYSTAT. She puts her expertise in data management at the service of the teams, whilst actively supporting the company’s business development.

Catherine LUTIC
Office Manager
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Catherine LUTIC

Catherine is the Office Manager at eXYSTAT. Having joined the company in 2017, she has grown alongside eXYSTAT and now holds a versatile role. Responsible for administrative and accounting tasks, she also coordinates with the accountancy firm. She ensures the smooth running of general services and is in charge of staff administration as well as organising internal events.

Laure KIENNER
Executive assistant
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Laure KIENNER

Laure is an Executive Assistant at eXYSTAT; she manages contractual relationships and invoicing with our clients and suppliers.

Emilie COMBALOT
Data manager
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Emilie COMBALOT

Emilie has been a Data Manager at eXYSTAT since 2017. She began her career in 2001 in the public sector at the IARC (International Agency for Research on Cancer) and then at LYSARC (Lymphoma Academic Research Organisation), where she was appointed Deputy Director of Data Management. Following a short assignment at AB Science, she joined eXYSTAT where, as in her previous roles, she oversaw the implementation of the eCRF solution.

Julie BERGES
Data manager
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Julie BERGES

Data Manager at eXYSTAT since 2017, Julie (the Catalan member of the team) has been working as a Data Manager since 2001. With a DUT (university technical diploma) in Statistics and Computer Data Processing, she first joined two CROs (Aster and then Fovea) where she was in charge of phase I to III studies. After a short assignment at Servier, she then worked for more than seven years for AB Science, a biotechnology company, on registration studies, particularly in veterinary medicine and oncology.

Aurore CAUMONT
Statistician
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Aurore CAUMONT

At eXYSTAT since 2018, she oversees the outsourcing of statistical projects and the standardisation of analysis programmes. A biostatistician for 10 years and a graduate of ENSAI, she began her career at Umanis working on phase II/III studies before joining the Clinical Research Unit at Pompidou Hospital to respond to institutional calls for tenders and co-author scientific articles. She then worked at AB Science, followed by a secondment to Sanofi on phase I studies in oncology.

Marion KERAUDREN
Data Manager
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Marion KERAUDREN

Data Manager at eXYSTAT since December 2018, Marion is responsible for coordinating data management activities within the company. Marion began her career in 2007 with three different CROs (Parexel International, Euraxi Pharma and ITEC Services). In her previous positions, she managed studies from phase I to post-marketing authorisation, particularly in oncology/myeloma, and gained experience in ATU/RTU management through the management of more than a dozen projects.

Constant JOSSE
Statistician
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Constant JOSSE

Constant joined eXYSTAT in January 2019. He studied applied mathematics engineering at INSA Rennes, with a view to pursuing a career in statistics, particularly biostatistics. He completed his final-year internship in the field of gut microbiota at Biofortis in Nantes.

Franck LUTZ
Data manager/DPO
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Franck LUTZ

Franck joined eXYSTAT in 2020 after 10 years of experience in data management and project management, acquired notably at MedPass, Sanofi and Ipsen. He contributes to the development of electronic data collection tools, monitors the use of AI and, since 2022, has been overseeing data protection compliance as DPO.

Fabien ARNAULT
Data manager
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Fabien ARNAULT

In 2021, Fabien joined eXYSTAT, bringing his skills to bear in particular on standardising and automating data management activities. Fabien has been working since 2007 in both the CRO environment (IQVIA, ITEC) and public research (INSERM).

Adeline PIERACHE
Statistician
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Adeline PIERACHE

After studying applied mathematics at INSA Rennes, Adeline worked in the Methodology, Biostatistics and Data Management Unit at Lille University Hospital for over four years. In this role, she contributed to numerous scientific publications in cardiology, paediatrics and obstetrics. She brings her experience in statistics, particularly in propensity scores, to the eXYSTAT team.

Stéphanie PEROT
Statistician
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Stéphanie PEROT

A statistician responsible for the design, implementation and quality of statistical analyses for clinical trials, playing a central role within the project team by ensuring methodological rigour and regulatory compliance.

Jérémie LESPINASSE
Statistician
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Jérémie LESPINASSE

After obtaining a state-recognised degree in Pharmacy and completing a thesis in Epidemiology/Biostatistics on the development of models for the progression of Alzheimer's disease (MEMENTO cohort), Jérémie Lespinasse joined eXYSTAT as a Methodologist/Statistician. He will have the ambitious task of developing consulting and expertise on new study designs and proposing innovative methodologies to eXYSTAT's partners.

Julie BEAUGUITTE
Data Manager
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Julie BEAUGUITTE

Julie Beauguitte joins the eXYSTAT team, bringing with her expertise in data management. Julie spent six years at two different French CROs, where she developed expertise in haematology studies. We are delighted to welcome her to our team.

Carine GRONDIN
Data Manager
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Carine GRONDIN

Carine Grondin joins the eXYSTAT team with her expertise in data management. She has worked for over 16 years at two different French CROs, as well as at INSERM, both as a statistician and data manager. Carine has also coordinated a data management team.

Monique TERMOTE
Data Manager
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Monique TERMOTE

Monique Termote joins the Data Management team, bringing with her a wealth of experience. Monique worked for 11 years at INSERM before taking up the position of Clinical Data Science Lead at ICON. Her fluency in multiple languages is also a valuable asset for eXYSTAT's international development.

Michaël SOARES
Data Manager
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Michaël SOARES

Michael has 12 years of experience in project management and data management, primarily in oncology. He previously worked at a comprehensive cancer centre and a university hospital, and recently led a team of young data managers at a contract research organisation.

Mickaël BORNE
Head of Statistics
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Mickaël BORNE

Mickael joined the team of statisticians to share his expertise in CDISC and SAS programming. After completing a university degree in Statistics and training in computer science, he worked as a biostatistician for over 20 years in various CROs, mainly in pre-clinical studies and vaccine development.

Adélaïde PERRIER
Data Manager
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Adélaïde PERRIER

Adelaïde began her career in 2012 as a biostatistician in CROs, then at INSERM on HIV-related projects. Her expertise in SAS programming led her to join the ANRS CO3 AquiVIH Nouvelle Aquitaine cohort at Bordeaux University Hospital as Data Manager in 2017. She is now joining eXYSTAT to strengthen the Data Management team.

Nadège THIERRY
Data Manager
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Nadège THIERRY

Nadège has over 20 years’ experience in data management, primarily with several French CROs, as well as during two assignments with a pharmaceutical company. Nadège is joining our team of data managers, bringing with her training as a data analyst (Power BI)

Romane LACOSTE-BADIE
Statistician
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Romane LACOSTE-BADIE

After completing a Master’s degree in statistics in Nantes and an internship in AI at Aubay, Romane decided to turn her attention to medical research. She then joined the East Paris Clinical Research Unit, where she was able to analyse studies across a range of specialities.

Mattea ORSINI
Statistician
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Mattea ORSINI

Mattea has been a statistician for 18 years, specialising in epidemiology. She spent eight years working in a public laboratory, followed by ten years in the pharmaceutical industry. With a background in biology and applied statistics, she also completed a PhD in epidemiology.

Merlin SIMSEN BARATAULT
Data Scientist
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Merlin SIMSEN BARATAULT

Merlin holds a Bachelor’s degree in Data Science from Paris Cité University and completed his studies with a two-year work-study programme at the Centre de Référence des Déficits Immunitaires Héréditaires (CEREDIH) at Necker Hospital. Drawn to new technologies and artificial intelligence, Merlin has joined eXYSTAT as a Data Scientist.

Corentin DELPIROU
Data Manager
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Corentin DELPIROU

Corentin holds a Master’s degree in biology and computer science and completed his studies with a work-study programme in data management at a CRO working on behalf of a major pharmaceutical company. He is now actively involved in managing the clinical data entrusted to eXYSTAT.

Matthieu MARCHAND
Head of Data Management
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Matthieu MARCHAND

Matthieu joined eXYSTAT in 2026 as Head of Data Management, bringing with him 20 years’ experience in the pharmaceutical industry (Novartis, Sanofi, Stallergenes) and in the services sector (VCLS). With a wide range of experience (from Phase 1 to post-marketing authorisation and market access, from medicines to medical devices, and from oncology to rare diseases) and a keen interest in quality, standardisation and automation, he supports his team in driving eXYSTAT’s growth.

Hélène SAVEL
Statistician
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Hélène SAVEL

Hélène has been a biostatistician for over twenty years and has worked in both the private and public sectors, primarily on phase I to III clinical trials. She also completed a CIFRE thesis on modelling treatment response in preclinical oncology trials.

Louise MARGUERITE
Data Manager
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Louise MARGUERITE

With a Master’s degree in biology and computer science, Louise moved into data management following her first significant role at a CRO, which she undertook as part of a work-study programme on a clinical virology study. She has now joined eXYSTAT as a Data Manager, where she plays an active role in clinical data management.