Chris Fregly

Chris Fregly is a performance engineer and AI product leader who has driven innovations at Netflix, Databricks, and Amazon Web Services (AWS). He has led performance‑focused engineering teams that built AI/ML products, scaled go‑to‑market initiatives, and reduced cost for large‑scale generative‑AI and analytics workloads.

Chris is the author of two other O’Reilly books: Data Science on AWS and Generative AI on AWS. He is also the creator of the O’Reilly course “High‑Performance AI in Production with NVIDIA GPUs" and the DeepLearning AI course "Generative AI with Large-Language Models" with Andrew Ng.

His work spans kernel‑level tuning, compiler‑driven acceleration, distributed training, and high‑throughput inference. Chris also hosts a monthly meetup called AI Performance Engineering.