John B Weinstein vs Mark Dumas

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 vs Mark Dumas

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.

Investor type: John B Weinstein — Venture Capital; Mark Dumas — Venture Capital
Headquarters: John B Weinstein — New York; Mark Dumas — Norfolk
Portfolio companies: John B Weinstein — not disclosed; Mark Dumas — 150
Sectors: John B Weinstein — Cybersecurity, E Commerce, Fintech; Mark Dumas — Artificial Intelligence, Cybersecurity, Healthcare
Stages: John B Weinstein — Growth, Series A, Series B; Mark Dumas — not disclosed

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•By Alejandro Cremades