Karsten Hartmann vs Jeffrey Nirenberg compared for founders deciding who to pitch. Stage focus, check size, and sector fit compared side by side.
Karsten Hartmann is a private equity based in Paris. Jeffrey Nirenberg is a private equity based in New York across 709 portfolio companies. Sector focus diverges: Karsten Hartmann concentrates on generalist deals and Jeffrey Nirenberg on Proptech.
Investors like Karsten Hartmann · Investors like Jeffrey Nirenberg · Karsten Hartmann co-investors · Full investor directory
The Startup Fundraising Platform
Raise funds for your startup
Find the right investors and get real replies — instantly, powered by AI.
Takes 30 seconds · No credit card · Cancel anytime
Slide-by-slide guide