BoldVoice
Provides AI-powered voice coaching for non-native English speakers
$21MSeries A
Role not disclosedM
Matrix
Activity from announced rounds
Activity in this selectionUnited States · Jan 31, 2026 · Jan 1, 2026
Matrix, also historically named Matrix Partners, is the US venture firm associated with investors Matt Brown and Stan Reiss.
Recorded funding activity
Its covered companies include Metriport’s patient-data infrastructure, Light’s retail-energy systems and Delos Data’s inference infrastructure. Sila’s battery technology and Optura’s healthcare AI assessment remain separate company investments in the same firm history.
- Rounds participated in
- 1
- Confirmed lead rounds
- — 1 roles undisclosed
- New companies
- 1 First participation on record · 0 follow-on
- Funding in participating rounds
- $21M 1 disclosed · full round size, not this investor’s share