Julien Launay leads frontier AI infrastructure development at Datadog, focusing on reinforcement-learning systems and products. He co-founded Adaptive ML in 2023 and served as CEO until it joined Datadog in June 2026. Previously, he led extreme-scale research teams at Hugging Face and LightOn and contributed to open language models including Falcon. His doctoral work explored optical co-processors for neural-network training.
Frontier AI Infrastructure Lead
Co-founder & CEO
Built a reinforcement-learning platform for enterprise models; acquired by Datadog in June 2026.
Extreme-Scale Team Lead
Visiting Research Student
PhD
Master's degree
