James Ernest Johnson vs Mark O Sullivan

James Ernest Johnson vs Mark O Sullivan

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

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

• James Ernest Johnson — Individual/Angel · Houston · James Ernest Johnson portfolio
• Mark O'Sullivan — Individual/Angel · New York · 70 tracked deals · Mark O Sullivan portfolio

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