Joshua Birnbaum vs Mark O Sullivan

Joshua Birnbaum vs Mark O Sullivan

Joshua Birnbaum 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: Joshua Birnbaum concentrates on generalist deals and Mark O Sullivan on Fintech and Proptech.

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

• Joshua Birnbaum — Individual/Angel · New York · Joshua Birnbaum portfolio
• Mark O'Sullivan — Individual/Angel · New York · 70 tracked deals · Mark O Sullivan portfolio

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