Mark Castillo vs Mark O Sullivan

Mark Castillo vs Mark O Sullivan

Mark Castillo is a individual/angel based in Briarcliff Manor. Mark O Sullivan is a individual/angel based in New York across 70 portfolio companies. Sector focus diverges: Mark Castillo concentrates on generalist deals and Mark O Sullivan on Fintech and Proptech.

• Investor type: Mark Castillo — Individual/Angel; Mark O Sullivan — Individual/Angel
• Headquarters: Mark Castillo — Briarcliff Manor; Mark O Sullivan — New York
• Portfolio companies: Mark Castillo — not disclosed; Mark O Sullivan — 70
• Sectors: Mark Castillo — not disclosed; Mark O Sullivan — Fintech, Proptech

• Mark Castillo — Individual/Angel · BRIARCLIFF MANOR · Mark Castillo portfolio
• Mark O'Sullivan — Individual/Angel · New York · 70 tracked deals · Mark O Sullivan portfolio

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