Julien Riposo, Ph.D, CQF, currently holds a position in Digital Assets Quantitative Research at LSEG, focusing on the development of mathematical models for trading and risk management in digital asset markets. Julien has previously served as the Chief Research Officer at Bitstocks, leading the Research Division, and has held senior roles in risk and capital analytics at ISDA, contributing to model validation and regulatory compliance. Earlier experience includes positions as a mathematical analyst at Intercontinental Exchange and a risk analytics data scientist at NetOTC. Julien holds a Ph.D. in Mathematical and Computational Methods for Data Analysis from Pierre and Marie Curie University, along with a Master's degree in Theoretical Physics from École Normale Supérieure.