Ariel Arrieta vs Mark O Sullivan

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

Ariel Arrieta vs Mark O Sullivan

Ariel Arrieta is a individual/angel based in Argentina, Sao Paulo, Brazil across 11 portfolio companies. Mark O Sullivan is a individual/angel based in New York across 70 portfolio companies. Sector focus diverges: Ariel Arrieta concentrates on generalist deals and Mark O Sullivan on Fintech and Proptech.

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