Fundraising Fox

Ben Yu

Managing Partner at Sierra Ventures

San Francisco Bay Area

Writes $500K – $15M checks · typically $7.8M

About

Ben Yu, a Princeton PhD and former networking infrastructure engineer, evaluates deep‑tech and industrial automation startups using his 3 As framework (Advantages, Automating, Artificial intelligence) to drive systems-level workforce insights.

Invests in

AI & Machine LearningDeep TechDefense TechDeveloper ToolsEnergyEnterprise SoftwareHardwareNew MaterialsRoboticsSaaSSemiconductorsSpace Tech

Deals · 2

DeepHowBoard seat

via Sierra Ventures · filed May 2025 · $5M raise

Cnex LabsBoard seat

via Sierra Ventures · filed Mar 2021 · $30M raise

Attribution from SEC filings, press coverage, and firm rosters.

Colleagues at Sierra Ventures

Network12

Investors connected to Ben in public investor directories — a warm-intro map.