Mark O Sullivan vs John Fischer

Mark O Sullivan vs John Fischer compared for founders deciding who to pitch. Stage focus, check size, and sector fit compared side by side.

Mark O Sullivan vs John Fischer

Mark O Sullivan is a individual/angel based in New York across 70 portfolio companies. John Fischer is a individual/angel based in Washington across 299 portfolio companies. Both invest in Fintech, while Mark O Sullivan also covers Proptech and John Fischer covers Impact.

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