Ezra Feilden (@EzraFeilden) — Twitter Score 14 out of 1000

Ezra Feilden is a technology entrepreneur who co-founded Starcloud, an orbital data-center company building computing infrastructure in space. Ezra Feilden's Twitter Score is 14 out of 1000 as of September 2026, ranking #69,626 among 486,860 tracked accounts.

Ezra Feilden co-founded Starcloud and serves as its CTO, working to deploy GPU-equipped satellites capable of running artificial intelligence workloads in orbit. Previously, he worked at Airbus Defence and Space (SSTL) and at Oxford Space Systems before turning to the startup path. He is also affiliated with Y Combinator as a founder.

Ezra Feilden co-authored Starcloud's white paper, "Why we should train AI in space," published in September 2024, laying out the technical and commercial case for orbital computing. In November 2025, Starcloud launched its first satellite, Starcloud-1, carrying an NVIDIA H100 GPU, and the company says it became the first entity to train a large language model and run a version of Gemini in space. A planned follow-on satellite, Starcloud-2, is designed to carry multiple GPUs including an NVIDIA Blackwell chip, an AWS server blade, and a bitcoin-mining computer. In March 2026, Starcloud raised a $170 million Series A led by Benchmark and EQT Ventures, valuing the company at $1.1 billion.

Ezra Feilden's account has accumulated 3,161 followers as of September 2026 and 410 posts. The account has been mentioned by 5 accounts a total of 9 times.

Who follows Ezra Feilden on X?

The accounts that follow Ezra Feilden include 51 founders, 21 angel investors, 15 influencers and 1 VCs. Among them are Meltem Demirors, Sreeram Kannan, Dan Held, Zmanian, Dwarkesh Patel and Andrew Steinwold.