Mark O Sullivan vs Howard Rosencrans compared for founders deciding who to pitch. Stage focus, check size, and sector fit compared side by side.
Mark O Sullivan is a individual/angel based in New York across 70 portfolio companies. Howard Rosencrans is a private equity based in Boca Raton across 2,600 portfolio companies. Both invest in Fintech, while Mark O Sullivan also covers Proptech and Howard Rosencrans covers Artificial Intelligence and Climate Tech.
Investors like Mark O Sullivan · Investors like Howard Rosencrans · Mark O Sullivan co-investors · Full investor directory