Investor profile
William Karlson
Private equity, Venture debt & Vice President at Charlesbank Capital Partners
William Karlson works as a Vice President at Charlesbank Capital Partners. The firm's known portfolio counts 11 companies.
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Investment focus
- Stage
- Late-StageSeries A
Contacts
Affiliated funds' portfolios
Vice President at Charlesbank Capital Partners, whose known portfolio counts 11 companies
- Bridgepointe Technologies
- Cyberbit
- Front Row Group
- Lido Advisors
- Q6 Cyber
- Spectrotel
- Aprio
- CCMC
- CENTEGIX
- Overbay
- DoiT
Investor Profile
The listing covers sectors AI, Consumer, Education and FinTech, and focus areas Analytics, Cloud Infrastructure, Cybersecurity and Data. Startups operating in these areas may find William Karlson relevant.
Stage-wise, the deals at Charlesbank Capital Partners cluster around Late-Stage and Series A rounds.
What the affiliated firm has backed is the closest available signal on whether William Karlson is worth approaching.
Colleagues at Charlesbank Capital Partners
Showing 20 of 25
Zorian Rotenberg
Investor
Boston, United States
Ryan Carroll
Managing Director
Boston, United States
Jesse Ge
Principal
Boston, United States
Pedro Vaz
Managing Director
Boston, United States
William Reilly
Principal
Grand Rapids, United States
Matthew Jacobson
Managing Director
New York City, United States
Maggie Sahlman
Managing Director
Boston, United States
Caelin Tran
Vice President
Boston, United States
Sam Bartlett
Managing Director
Winchester, United States
Mike McGuire
Principal
Boston, United States
Hiren Mankodi
Investor
Boston, United States
Josh Beer
Investor
West Newton, United States
Michael Galardi
Vice President
New York, United States
Sandor Hau
Managing Director
New York City, United States
David Katz
Managing Director
New York, United States
Bert Duarte
Managing Director
New York, United States
Dan Trunzo
Vice President
New York, United States
Spencer Ryals
Vice President
Atlanta, United States
Michael Choe
CEO
Boston, United States
Nicole Wei
Vice President
New York, United States
Frequently asked questions
Who is William Karlson?
William Karlson is a private equity investor and venture debt investor based in Boston, Massachusetts, United States, listed as Vice President at Charlesbank Capital Partners. The known portfolio of that firm counts 11 companies. That portfolio belongs to the firm, not to William Karlson personally.
What does William Karlson invest in?
Listed sectors include AI, Consumer, Education and FinTech; listed focus areas include Analytics, Cloud Infrastructure, Cybersecurity and Data. 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 William Karlson invest at?
Charlesbank Capital Partners appears in Late-Stage and Series A rounds across its known deals, and William Karlson is listed there as Vice President. 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 William Karlson listed at?
William Karlson is listed as Vice President at Charlesbank Capital Partners. 25 other people in the database share a firm with William Karlson.
How do I contact William Karlson?
An email address, a phone number and a LinkedIn page are on file for William Karlson. 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