Charles Miller works as a Principal at O2 Investment Partners. The firm's known portfolio counts 10 companies.
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Investment focus
- Stage
- Late-Stage
- Focus
- Construction TechIoTNiche Industrial ServicesPropTechWater
Contacts
Affiliated funds' portfolios
Principal at O2 Investment Partners, whose known portfolio counts 10 companies
- Capital Construction
- First Class Air Support
- Flip Electronics
- Harley Exteriors
- 4M Building Solutions
- BerlinRosen
- Centex Construction
- Dynamic Drain Technologies
- Modular Devices
- Steffl Drilling & Pump
Investor Profile
The listing covers sectors Climate, Hardware and Real Estate, and focus areas Construction Tech, IoT, Niche Industrial Services and PropTech. Startups operating in these areas may find Charles Miller relevant.
Stage-wise, the deals at O2 Investment Partners cluster around Late-Stage rounds.
What the affiliated firm has backed is the closest available signal on whether Charles Miller is worth approaching.
Colleagues at O2 Investment Partners
Frequently asked questions
Who is Charles Miller?
Charles Miller is a private equity investor based in Detroit, Michigan, United States, listed as Principal at O2 Investment Partners. The known portfolio of that firm counts 10 companies. That portfolio belongs to the firm, not to Charles Miller personally.
What does Charles Miller invest in?
Listed sectors include Climate, Hardware and Real Estate; listed focus areas include Construction Tech, IoT, Niche Industrial Services and PropTech. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Charles Miller invest at?
O2 Investment Partners appears in Late-Stage rounds across its known deals, and Charles Miller is listed there as Principal. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Charles Miller listed at?
Charles Miller is listed as Principal at O2 Investment Partners. 8 other people in the database share a firm with Charles Miller.
How do I contact Charles Miller?
An email address, a phone number and a LinkedIn page are on file for Charles Miller. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal