Thierry Varraillon is a Biomathematician at Syngenta since January 2022 and serves as a corporate trainer at UniLaSalle, focusing on decision support systems (DSS) for crop protection. Varraillon's expertise encompasses the design and application of DSS, emphasizing the nature of data, model usage, interface design, and best practices for implementation. With previous roles at Syngenta Crop Protection, including Manager of Biological Modeling Processes and Manager of Field Trial Data, as well as experience at Novartis and an internship at an Applied Computer Science Laboratory, Varraillon has extensive knowledge in biological modeling and data analysis within agriculture. Educational credentials include a DEA in Biomathématiques from Université Paris Cité and a Maitrise in Ecology and Environment from Université Claude Bernard Lyon 1.