Julien is an engineer specialised in AI. After working 2 years in investment banking, he joined as CTO for ad-tech startup Qwarry, serving ads based on contextual data (NLP). He managed the tech team and developed the technology to crawl and classify millions of web pages. He then cofounded his own startup performing blockchain deanonymisation, gathering data to link Bitcoin addresses to real world entities. He is a recurrent neural networks teacher at EPITA to final year students and a karate black belt.