Stuart Karle vs Mark O Sullivan compared for founders deciding who to pitch. Stage focus, check size, and sector fit compared side by side.
Stuart Karle is a individual/angel based in New York, New York, United States. Mark O Sullivan is a individual/angel based in New York across 70 portfolio companies. Sector focus diverges: Stuart Karle concentrates on generalist deals and Mark O Sullivan on Fintech and Proptech.
Investors like Stuart Karle · Investors like Mark O Sullivan · Stuart Karle co-investors · Full investor directory