The speakers at Horizon Maths 2025, to be held on Monday May 12, 2025 from 9am to 6pm in the Amphithéâtre Chaudron at ENSCP (11 rue Pierre et Marie Curie, Paris 5e), under the direction of Patrice Bertail (Modal'X, Université Paris-Nanterre), on the theme Mathematics and food safety, are as follows:

Isabelle ALBERT (INRAE)
After a thesis in biostatistics at Necker Hospital, Isabelle Albert joined INRA (now INRAE) in 2000. For 12 years, I developed microbiological and physico-chemical food risk assessment models. In 2013, I obtained a habilitation to direct research, and since 2014, as part of UMR MIA Paris-Saclay, I have also been working on environmental risks linked, for example, to the inhalation of pathogens, pollutants or pesticides. These environmental issues now lead me to direct work in which spatial statistics play a major role.

Olivier ALLAIS (INRAE)
Olivier Allais is an economist and Director of Research at INRAE. He is the author of numerous scientific articles, and has taken part in a number of European and national projects involving the evaluation of food policies, particularly tax policies, nutritional labeling such as the Nutri-Score, and product reformulation. He collaborates with the Ministries of Health, Agriculture and Consumer Affairs on these subjects. He is also INRAE's scientific manager for the Oqali system.

Amélie CREPET (ANSES)
Amélie Crépet holds a Master's degree in Biostatistics and a PhD in mathematics applied to risk assessment. Since 2007, she has been developing an integrated approach based on mathematical modeling and the exposome concept, to improve risk assessment by taking into account exposure to mixtures, exposure from multiple sources and pathways, modeling of exposure over the entire lifespan, and the link between external exposure and biomonitoring data using toxicokinetic models. She has coordinated and participated in numerous national and European research projects on exposure to mixtures, the use of biomonitoring data and the chemical exposome of children. Today, as part of the PARC program (2021-2028), she is in charge of the Task on Integrated Exposure and Risk Assessment, which includes some 50 European partners. She is involved in expert groups at EFSA (scientific committee) and WHO (pesticide residues). She has over 50 publications in the fields of probabilistic risk assessment and combined and aggregate exposure to chemical mixtures. At ANSES (Agence française de sécurité sanitaire), Amélie Crépet coordinates expert methodological groups, such as the working groups on mixtures and the exposome.

Max FEINBERG (INRAE)
Max Feinberg, an agricultural engineer with a doctorate in chemistry, now retired, has held various positions as research director at the Institut national de la recherche agronomique (INRA) and associate professor at AgroParisTech. Much of his work is in the fields of analytical chemistry, chemometrics and risk analysis. 

Adeline FERMANIAN (Califrais)
Since 2023, Adeline Fermanian has been in charge of research activities at Califrais, a company that aims to decarbonize the food supply chain via flow optimization, and to this end develops artificial intelligence algorithms for forecasting and optimizing these flows, working closely with the academic world. Adeline Fermanian completed her PhD at Sorbonne University under the supervision of Gérard Biau (Professor at Sorbonne University) and Benoît Cadre (Professor at Rennes 2 University), which she defended in 2021, on the subject of signatures, a stochastic analysis tool that extracts information from multivariate time series.

Charles TILLIER (Université Versailles-St-Quentin-en-Yvelines)
Charles Tillier holds a PhD in Mathematics, specializing in Statistics. In 2017, he defended his thesis entitled Processus et indicateur de risque en sécurité alimentaire under the supervision of Patrice Bertail (Modal'X, Université Paris Nanterre) and Olivier Wintenberger (LPSM, Sorbonne Université). Since 2019, he has been a lecturer at LMV (Laboratoire de Mathématiques de Versailles) at UVSQ (Université Versailles Saint Quentin en Yvelines) and Université Paris-Saclay. Charles Tillier continues to work on food risk and is also interested in machine learning and artificial intelligence. He is also in charge of the ISADS Master's program (Ingénierie Statistique Actuariat et DataScience) at Université Paris-Saclay.

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