Funds with a thesis, stage focus, and check size comparable to Mark O Sullivan.
Mark O Sullivan is a individual/angel based in New York with 70 tracked portfolio companies. Sector focus centres on Fintech and Proptech, which is how the comparable funds below were selected. 48 funds share that profile, including Steven Leischner, Knightvest Capital Fund II GP, LP and David Moore.
Mark O Sullivan alternatives · 2026 investor landscape
Mark O Sullivan profile · Mark O Sullivan portfolio companies · Mark O Sullivan co-investors · Full investor directory
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