William J Young vs Mark O Sullivan

William J Young vs Mark O Sullivan

William J Young is a individual/angel based in Chicago. Mark O Sullivan is a individual/angel based in New York across 70 portfolio companies. Both invest in Proptech, while William J Young also covers adjacent sectors and Mark O Sullivan covers Fintech.

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

• William J. Young — Individual/Angel · Chicago · William J Young portfolio
• Mark O'Sullivan — Individual/Angel · New York · 70 tracked deals · Mark O Sullivan portfolio

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