Dennis Mårtensson is the Senior Director of Engineering for Developer Products at Fastly. With over a decade of experience, Dennis has worked across the spectrum from founding startups to scaling organizations through IPO.
He has led teams building networking technologies, developer products, and distributed systems, with a strong focus on creating high-performing engineering organizations that deliver impact at scale. His leadership philosophy emphasizes empowering experts across the stack and fostering environments where innovation and rapid execution thrive.
At Fastly, Dennis is responsible for guiding the strategy and execution of developer-focused products, ensuring they are reliable, scalable, and built to unlock the full potential of Fastly’s edge platform. He oversees the following groups: Storage, Config Delivery, Observability, Fanout, Image optimiser, Geo location and Device Detection.
