Cassidy Williams

Active Investor

Senior Director of Developer Advocacy at GitHub

Chicago, Illinois

Cassidy Williams, Senior Director of Developer Advocacy at GitHub is an active investor based in Chicago, Illinois. This profile covers what Cassidy Williams backs, at which stage, and how founders can reach out in 2026.

Investor type: Angel
Stages: Pre SeedSeed
Invests in: SaaS & EnterpriseConsumer & RetailE-commerce & D2CDeveloper Tools & DataCybersecurity
Location: Chicago, Illinois
Typical check: $150K
Past investments: 12

Notable investments

The Sukha CompanyHacker FundPlasmicConvexChainlink LabsWixTheatre.jsPolyworkNetlifyContendacKeysRoboflow

How to reach Cassidy Williams

Angels and operators like Cassidy Williams reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.

Frequently Asked Questions

What does Cassidy Williams invest in?

Cassidy Williams invests in SaaS & Enterprise, Consumer & Retail, E-commerce & D2C and Developer Tools & Data, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.