George Spencer vs Mark Dumas

George Spencer vs Mark Dumas compared for founders deciding who to pitch. Stage focus, check size, and sector fit compared side by side.

George Spencer vs Mark Dumas

George Spencer is a venture capital based in Chicago, Illinois, United States. Mark Dumas is a venture capital based in Norfolk across 150 portfolio companies. Both invest in Healthcare, while George Spencer also covers Biotech and SaaS and Mark Dumas covers Artificial Intelligence and Cybersecurity. On stage, George Spencer is active at Growth, Seed and Series A and Mark Dumas at undisclosed stages.

Investor type: George Spencer — Venture Capital; Mark Dumas — Venture Capital
Headquarters: George Spencer — Chicago, Illinois, United States; Mark Dumas — Norfolk
Portfolio companies: George Spencer — not disclosed; Mark Dumas — 150
Sectors: George Spencer — Biotech, Healthcare, SaaS; Mark Dumas — Artificial Intelligence, Cybersecurity, Healthcare
Stages: George Spencer — Growth, Seed, Series A; Mark Dumas — not disclosed

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•By Alejandro Cremades