Mariner Investment Group LLC vs John Robert Carroll compared for founders deciding who to pitch. Verified investor data on StartupFundraising.com.
Mariner Investment Group LLC is a private equity based in Harrison. John Robert Carroll is a private equity based in Boston across 550 portfolio companies. Sector focus diverges: Mariner Investment Group LLC concentrates on generalist deals and John Robert Carroll on Healthcare.
Investors like Mariner Investment Group LLC · Investors like John Robert Carroll · Mariner Investment Group LLC 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