Jessica McKellar is a founder, software engineer, and open source developer from Cambridge, Massachusetts. She helped bring rebootless kernel updates to the world at Ksplice and is busy building and shipping at a new early-stage startup. Jessica is a Python Software Foundation board member and an organizer for the largest Python user group in the world, as well as a veteran open source contributor and a maintainer for several open source projects, including OpenHatch and the Twisted event-driven networking engine.