Sebastien Mandron began his career at PwC before joining Atos Group in 2003, where he was responsible for three major transformation programs dedicated to improving operational performance, business performance and employee well-being. In 2011, he joined Worldline to accelerate the company's transformation and support the IPO in 2014. In July 2014, he was appointed CSR Director with the objective of structuring, organizing and developing the company's CSR strategy by involving all stakeholders. He is also responsible for Real Estate and Facility Management within the Group. In parallel to his functions, Sebastien Mandron was appointed to the Board of Directors of the Club of Sustainable Development Directors. In 2020, he joined the Board of Directors of Global Compact France. Sebastien Mandron holds a degree in economics from Paris Assas University and a Master's degree in Financial Engineering from the Sorbonne University.