Savannah Ostrowski is a Python Core Developer and product lead for Python Developer Experience and Notebooks at Snowflake. She helps maintain the new JIT compiler introduced in Python 3.13 and the argparse module in the Python standard library. Savannah is also a member of the broader Faster CPython team and serves on the Jupyter Foundation Governing Board on behalf of Snowflake.
A self-taught developer with a background in geospatial computing, Savannah has built a career at the intersection of developer tools and open-source software. Before Snowflake, she led product for Docker’s runtime, working on foundational technology for the container ecosystem, including Docker Engine (moby/moby) and Docker CLI. She previously worked at Microsoft on the Azure Developer CLI and was the product manager for the Pylance language server.
She lives in beautiful Washington state with her husband and their three cats, enjoying pottery and reading in her spare time.