Summary
Tim B is a seasoned technology leader and founder with over a decade building high-impact, production-grade systems at scale. He led Lyft’s Growth Engineering org—managing 60+ engineers and owning the architecture behind Lyft Line, which accounts for over 30% of rides—and he kick-started Lyft’s Data Science Platform, now used by 150+ data scientists. Earlier-stage experience includes early engineering leadership at Roblox as employee #8 and founding startups that informed his product-first approach to mobility and consumer tech. As CTO of Shef and founder of Call Winston, he blends hands-on engineering, ML tooling, and go-to-market instincts to ship measurable growth. A Founders Pledge member based in the Bay Area, he couples technical depth with a commitment to evidence-driven social impact. Notably, he’s also been a sought-after interviewer and M&A evaluator, comfortable moving between IC, EM, and executive roles.
9 years of coding experience