Rivia
Builds a data engine for clinical trial intelligence to unify fragmented data and enable AI-driven insights
$15MSeries A
Role not disclosedD
Defiant
Activity from announced rounds
Activity in this selectionOct 24, 2026 · Biotech · Jan 1, 2026
Defiant is a B2B software and fintech venture manager whose official portfolio identifies Rivia, Zero and Blitzy.
Recorded funding activity
Zero develops customer-management software for startup revenue teams. Blitzy applies autonomous agents to enterprise software development, while Rivia connects fragmented clinical-trial data. These company records identify this manager separately from Defiance Ventures and unrelated namesakes.
Sources
- Rounds participated in
- 1
- Confirmed lead rounds
- — 1 roles undisclosed
- New companies
- 1 First participation on record · 0 follow-on
- Funding in participating rounds
- $15M 1 disclosed · full round size, not this investor’s share