Jack O'Brien is an Associate at Catalyst Investors, joining in 2024. He focuses on deal origination, due diligence, and transaction execution, with prior experience in investment banking.
What Jack can write
Catalyst Investors writes $10M to $30M checks, larger than 97% of firms in the atlas.
Bars: how many firms report each check band. Highlighted: Catalyst Investors.Career
- Digital Capital Advisors · investment banking analyst
- Catalyst Investors · AssociateNow
Focus
Education
Also at Catalyst Investors
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One email when Jack's firm raises a fund, adds a partner or shows new activity.
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Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.
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Who is Jack O'Brien?
Jack O'Brien is an Associate at Catalyst Investors, joining in 2024. He focuses on deal origination, due diligence, and transaction execution, with prior experience in investment banking.
How much does Jack O'Brien invest?
Jack O'Brien invests through Catalyst Investors, which writes checks of $10M to $30M at series b.
How do I pitch Jack O'Brien?
A warm intro from a founder Catalyst Investors backed works best. A short LinkedIn note with one line on traction is the next best route.
What did Jack O'Brien do before Catalyst Investors?
investment banking analyst at Digital Capital Advisors.
Last updated 2026-10-15. Is this you? Ask for a correction.