David S Winter vs Mark O Sullivan

David S Winter vs Mark O Sullivan

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

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

• David S. Winter — Individual/Angel · New York · David S Winter portfolio
• Mark O'Sullivan — Individual/Angel · New York · 70 tracked deals · Mark O Sullivan portfolio

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