William Herr vs Jeff Seibert compared for founders deciding who to pitch. Stage focus, check size, and sector fit compared side by side.
William Herr is a individual/angel based in Barrington. Jeff Seibert is a individual/angel based in San Francisco, California, United States across 54 portfolio companies.
Investors like William Herr · Investors like Jeff Seibert · William Herr co-investors · Full investor directory