Charles Miller
Principal at O2 Investment Partners
Detroit, Michigan
Charles Miller, Principal at O2 Investment Partners is an active investor based in Detroit, Michigan. This profile covers what Charles Miller backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCPE
- Stages
- SeedSeries ASeries BLate Stage Venture
- Invests in
- FintechSaaS & EnterpriseClimate & EnergyCybersecurityManufacturing & IndustrialMedia & ContentSocial & CommunityGovTech & Defense
- Location
- Detroit, Michigan
- Typical check
- $2M
- Past investments
- 8
Notable investments
How to reach Charles Miller
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Frequently Asked Questions
What does Charles Miller invest in?
Charles Miller invests in Fintech, SaaS & Enterprise, Climate & Energy and Cybersecurity, typically at Seed, Series A, Series B and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
How do I contact Charles Miller?
Unlock Charles Miller's verified email on Round Funded and send a personalized pitch. We surface only deliverable contacts so your outreach lands.
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