Presenter

Charlie is the founder of Astral, where he builds high-performance developer tools for the Python ecosystem. Over the past two years, he's launched Ruff — a Python linter, formatter, and code transformation tool — and uv, a next-generation Python package and project manager. Together, these tools have grown to over one hundred million downloads per month and seen rapid adoption across open source and enterprise. Charlie received a BSc in Computer Science from Princeton University and lives in Brooklyn, NY.