William Woodruff is a Member of Technical Staff at OpenAI (Astral), where he works on high-performance, secure tooling for the Python ecosystem. Previously he worked on similar tooling at Astral; prior to that he was an Engineering Director at Trail of Bits, where he was responsible for high-impact security contributions to open source ecosystems via the open source ecosystem security group.
Outside of work, William is the primary maintainer of zizmor, a maintainer of Homebrew, Sigstore, and pip-audit, and a long-term contributor to Python cryptography (PyCA) and packaging (PyPI, PyPA). He maintains a website at yossarian.net and a blog at blog.yossarian.net.