Harrison Isaac Sitomer vs Mark O Sullivan

Harrison Isaac Sitomer vs Mark O Sullivan

Harrison Isaac Sitomer 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: Harrison Isaac Sitomer concentrates on generalist deals and Mark O Sullivan on Fintech and Proptech.

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

• Harrison Isaac Sitomer — Individual/Angel · New York · Harrison Isaac Sitomer portfolio
• Mark O'Sullivan — Individual/Angel · New York · 70 tracked deals · Mark O Sullivan portfolio

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