Donald R Mullen Jr vs Brian Fieber

Donald R Mullen Jr vs Brian Fieber compared for founders deciding who to pitch. Stage focus, check size, and sector fit compared side by side.

Donald R Mullen Jr vs Brian Fieber

Donald R Mullen Jr is a individual/angel based in New York. Brian Fieber is a private equity based in New York across 71 portfolio companies. Both invest in Proptech.

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•By Alejandro Cremades