Clara and Lilia are data scientists working in ASOS’ AI division and they specialise in applying cutting-edge marketing science for online retailers at scale. They have worked on different projects including geo-experimentation, marketing attribution and customer return prediction. Clara holds a joint Master’s degree in Data Science for Business at the schools of Polytechnique and HEC Paris. Lilia holds an Advanced Master’s degree in Data Science from ENSAE Paris and an Engineering degree (Master) in Computer Science, Data and Artificial Intelligence from ESILV.