Investor profile
Keegan O'Brien
Private equity, Venture debt & Co-Head of Investment Strategy Group at Artisan Partners
Keegan O'Brien works as a Co-Head of Investment Strategy Group at Artisan Partners. The firm's known portfolio counts 2 companies.
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Investment focus
- Stage
- Late-StageSeed
Contacts
Affiliated funds' portfolios
Co-Head of Investment Strategy Group at Artisan Partners, whose known portfolio counts 2 companies
- upGrad
- Oncopeptides
Investor Profile
Stage-wise, the deals at Artisan Partners cluster around Late-Stage and Seed rounds.
The firm portfolio and the focus above give founders context on whether Keegan O'Brien matches their raise.
Colleagues at Artisan Partners
Joe Vari
Investor
San Francisco, United States
Raoudha Bouhafa
Managing Director
United States
Anastasia Karpova
Biotech Investment
New York, United States
Eric Lee
Growth Investor
San Francisco, United States
Michael Cirami
Investor
Boston, United States
Floyd M. Dukes
Partner
Atlanta, United States
David Samra
Managing Director
San Francisco, United States
Brian Louko
Investor
Boston, United States
Frequently asked questions
Who is Keegan O'Brien?
Keegan O'Brien is a private equity investor and venture debt investor based in Chicago, Illinois, United States, listed as Co-Head of Investment Strategy Group at Artisan Partners. The known portfolio of that firm counts 2 companies. That portfolio belongs to the firm, not to Keegan O'Brien personally.
What stage does Keegan O'Brien invest at?
Artisan Partners appears in Late-Stage and Seed rounds across its known deals, and Keegan O'Brien is listed there as Co-Head of Investment Strategy Group. 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 Keegan O'Brien listed at?
Keegan O'Brien is listed as Co-Head of Investment Strategy Group at Artisan Partners. 8 other people in the database share a firm with Keegan O'Brien.
How do I contact Keegan O'Brien?
An email address, a phone number and a LinkedIn page are on file for Keegan O'Brien. 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