Sean Fieler vs Mark O Sullivan

Sean Fieler vs Mark O Sullivan

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

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

• Sean Fieler — Individual/Angel · Stamford · Sean Fieler portfolio
• Mark O'Sullivan — Individual/Angel · New York · 70 tracked deals · Mark O Sullivan portfolio

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