Charlie Marsh (@charliermarsh) — Twitter Score 65 out of 1000

Charlie Marsh is a software engineer and founder who created Astral, the open-source Python developer tooling company, and now works at OpenAI following an acquisition agreement announced in March 2026. Charlie Marsh's Twitter Score is 65 out of 1000 (a Good rating) as of October 2026, ranking #13,027 (top 5%) among 493,668 tracked accounts.

Charlie Marsh founded Astral around the opportunity he identified after originally releasing Ruff, a high-performance Python linter, on his own. Astral builds open-source, permissively licensed developer tools for the Python ecosystem, with its principal projects being Ruff, uv, and ty. OpenAI announced an agreement to acquire Astral on March 19, 2026, with the Astral team set to join its Codex team after closing, subject to customary conditions.

Charlie Marsh previously worked at Khan Academy as a senior engineer and formerly at Spring Discovery as a staff software engineer. Beyond Python tooling, he has also created an in-browser playground for the Bitcoin Script programming language. Charlie Marsh's account has published 9,345 posts and has been mentioned by 32 accounts a total of 49 times, reflecting consistent engagement within developer and crypto circles.

Who follows Charlie Marsh on X?

The accounts that follow Charlie Marsh include 300 founders, 72 angel investors, 44 influencers and 2 VCs, among them Georgios Konstantopoulos, Jesse Powell, Vance Spencer, Banteg, Arjun Balaji and Sriram Krishnan.