Empowering Tomorrow’s Deep Tech Leaders

$25M Seed fund for deep tech with wide IP moats

Fueling the Future with AI-Powered Technology Investments

Castle Fund is dedicated to advancing groundbreaking solutions in biotech, energy, aerospace, robotics, chips and AI infra. We seek founders building defensible technologies that create lasting impact.

Winning Track Record

178

Startups Backed

3.7X

MOIC

40.7X

IRR

14

Exits

Team of Deep Tech Experts

Daniel Gould (Managing Director): Ex-founder, prior Venture Partner at a deep tech seed fund, and manages a 5400 LP AngelList syndicate (100+ deals, $20M AUM).

Venture partner was ex-Blackstone, fractional CFO for biotech startups, and venture partner for multiple funds.

Key advisor was GP of a deep tech Series A Fund that co-invested with Daniel’s prior fund, and is a global celebrity.