Hossein Lotfi

Hossein Lotfi is the SVP of Engineering at Fastly. Prior to assuming this role in 2025, Hossein led the engineering groups responsible for building reliable, highly scalable, cost-effective, and low-latency systems that power Fastly’s network services and serve as the foundation for its broader product offerings. His teams spanned the entire tech stack, from hardware and network architecture to kernel-level optimization and low-latency data paths, all the way up to traffic engineering and edge systems like caching and workload management. Hossein brings over 20 years of experience building global-scale systems including hyper-scale cloud infrastructure, web performance engineering group at another major CDN, and co-founding a network validation startup. He holds several patents in traffic engineering, load balancing, and large-scale system designs in edge networks. The early days of Hossein's career were spent in the Middle East at the forefront of a country's digital transformation. While also earning a bachelor's degree in Electronics Engineering, he helped with the nationwide expansion of the internet, bringing people online—some for the very first time.