Elizabeth Kostolansky vs Mainsail Partners compared for founders deciding who to pitch. Stage focus, check size, and sector fit compared side by side.
Elizabeth Kostolansky is a private equity based in Brooklyn. Mainsail Partners is a venture capital based in San Francisco, CA, USA. Sector focus diverges: Elizabeth Kostolansky concentrates on generalist deals and Mainsail Partners on Cybersecurity, Edtech and Fintech. On stage, Elizabeth Kostolansky is active at Growth and Mainsail Partners at Growth.
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