Mark Mercer vs Sean O Sullivan compared for founders deciding who to pitch. Stage focus, check size, and sector fit compared side by side.
Mark Mercer is a venture capital based in Sheridan. Sean O Sullivan is a venture capital based in Princeton across 800 portfolio companies. Both invest in Artificial Intelligence, while Mark Mercer also covers adjacent sectors and Sean O Sullivan covers Agtech Food and Biotech. On stage, Mark Mercer is active at undisclosed stages and Sean O Sullivan at Pre Seed.
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