Brian Witlin vs Mark O Sullivan

Brian Witlin vs Mark O Sullivan

Brian Witlin is a individual/angel based in Redwood City, CA, United States. Mark O Sullivan is a individual/angel based in New York across 70 portfolio companies. Sector focus diverges: Brian Witlin concentrates on generalist deals and Mark O Sullivan on Fintech and Proptech.

• Investor type: Brian Witlin — Individual/Angel; Mark O Sullivan — Individual/Angel
• Headquarters: Brian Witlin — Redwood City, CA, United States; Mark O Sullivan — New York
• Portfolio companies: Brian Witlin — not disclosed; Mark O Sullivan — 70
• Sectors: Brian Witlin — not disclosed; Mark O Sullivan — Fintech, Proptech

• Brian Witlin — Individual/Angel · Redwood City, CA, United States · Brian Witlin portfolio
• Mark O'Sullivan — Individual/Angel · New York · 70 tracked deals · Mark O Sullivan portfolio

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