Tammy Jennisen vs Mark O Sullivan

Tammy Jennisen vs Mark O Sullivan

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

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

• Tammy Jennisen — Individual/Angel · Grand Cayman · Tammy Jennisen portfolio
• Mark O'Sullivan — Individual/Angel · New York · 70 tracked deals · Mark O Sullivan portfolio

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