Chief Financial Officer
Mantis VCCheck size: Mantis VC does not publish a standard current check-size range on its official site.
Stephen O'Brien is listed in a Chief Financial Officer capacity at Mantis VC. The firm does not publish a person-specific investment thesis for this role; this profile preserves that role distinction and uses the firm's mandate only as shared context.
Exceptional founders with technical or market differentiation, early evidence and the potential to build an influential technology company.
The stated mandate is early-stage technology; nontechnology businesses and companies beyond the Seed-to-Series-A window appear less aligned.
Show the founder advantage, technology insight, customer evidence, market scale and the network or company-building leverage needed for Seed or Series A.
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Stephen O'Brien is a current Chief Financial Officer at Mantis VC, according to the firm's official roster. No additional background is inferred where the firm does not publish a biography.