Juan Sebastian Restrepo is a research and development engineer at CEA Tech since December 2020, specializing in the development of innovative interfaces for "digital twins" technologies. Previously, at DreamQuark from February 2016 to March 2019, Juan served as lead developer and project manager, collaborating on an agile methodology and developing user-centered interfaces for predictive deep-learning tools in financial services. Juan also has a strong background in information security, having monitored GDPR compliance in a startup. Academic qualifications include a PhD in Physics from Université Paris Cité, alongside multiple degrees in physics. Juan has contributed to peer-reviewed journals and has experience in science communication, notably at Palais de la Découverte.