John B Weinstein vs Mark Dumas compared for founders deciding who to pitch. Stage focus, check size, and sector fit compared side by side.
John B Weinstein is a venture capital based in New York. Mark Dumas is a venture capital based in Norfolk across 150 portfolio companies. Both invest in Cybersecurity, while John B Weinstein also covers E Commerce and Fintech and Mark Dumas covers Artificial Intelligence and Healthcare. On stage, John B Weinstein is active at Growth, Series A and Series B and Mark Dumas at undisclosed stages.
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