Gillian O'Connor is an Investor at M33 Growth, whose known portfolio counts 11 companies.
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Investment focus
- Stage
- GrowthLate-StageSeed
Contacts
Affiliated funds' portfolios
Investor at M33 Growth, whose known portfolio counts 11 companies
- PerformLine
- SwiftComply
- Synergy
- ARES PRISM Software
- BFC Associates
- Clear Demand
- GoDocs
- IFS Core
- Luke & Associates
- Rosnet
- YAPI Dental Software
Investor Profile
Gillian O'Connor is listed against sectors FinTech, Healthcare, Real Estate and SaaS, and focus areas CRM, Customer Support, DentalTech and Enterprise SaaS in the database.
Stage-wise, the deals at M33 Growth cluster around Growth, Late-Stage and Seed rounds.
What the affiliated firm has backed is the closest available signal on whether Gillian O'Connor is worth approaching.
Colleagues at M33 Growth
Mike Anello
Co-Founder
Boston, United States
Alex Moorhead
Executive in Residence
Toronto, Canada
Nate Ellis
Vice President
Boston, United States
Tommy Belton
Vice President
Boston, United States
Gabe Ling
Co-Founder
Boston, United States
Devanshi Murpana
Growth Equity Investor
Boston, United States
Brian Shortsleeve
Co-Founder
Boston, United States
Kara Hollis
Executive Director
Boston, United States
Olivia Thompson
Investor
United States
Erik Hoffstadt
Director
Boston, United States
Frequently asked questions
Who is Gillian O'Connor?
Gillian O'Connor is a private equity investor and venture capital investor based in New York City, United States, listed as Investor at M33 Growth. The known portfolio of that firm counts 11 companies. That portfolio belongs to the firm, not to Gillian O'Connor personally.
What does Gillian O'Connor invest in?
Listed sectors include FinTech, Healthcare, Real Estate and SaaS; listed focus areas include CRM, Customer Support, DentalTech and Enterprise SaaS. 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 Gillian O'Connor invest at?
M33 Growth appears in Growth, Late-Stage and Seed rounds across its known deals, and Gillian O'Connor is listed there as Investor. 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 Gillian O'Connor listed at?
Gillian O'Connor is listed as Investor at M33 Growth. 10 other people in the database share a firm with Gillian O'Connor.
How do I contact Gillian O'Connor?
An email address, a phone number and a LinkedIn page are on file for Gillian O'Connor. 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