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Pamela Vagata Built the Roads AI Learned to Travel
Before AI became a public spectacle, Pamela Vagata was building the machinery that let thousands of engineers put it to work. Now, at Pebblebed, she is betting on the people constructing what comes next.
Tammie Siew
Tammie Siew is a General Partner and Co-Founder at Pebblebed, a San Francisco-based deep tech venture capital firm focused on foundational infrastructure—AI simulation engines, robot operating systems, developer platforms, and formal verification systems. A Cornell-educated economist and literature scholar who spent years investing at Sequoia Capital Singapore before co-founding a healthcare startup, she brings a rare operator-investor lens to backing the infrastructure layer of next-generation technology. Pebblebed's Fund II closed at $125M in 2024, with roughly 35 investments backing companies like Augment Code, OpenMind, Zeromatter, Lemurian Labs, and Logical Intelligence.