
From Visa Gold to developer communities, streaming data and operational AI, Katherine Rincon has built a career translating invisible infrastructure into reasons to care - usually before the rest of the market catches up.

From Azure Machine Learning to blockchain oracles and governed AI, Collibra's CMO has built a career around a deceptively hard skill: explaining new infrastructure before the market has settled on the words.

After helping Coinbase engineers build faster, David Maulick is betting that the next software problem begins before anyone writes code: getting humans and agents to agree on what should be built.
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.