John Tyler Griffin Iii vs Jack Altman compared for founders deciding who to pitch. Stage focus, check size, and sector fit compared side by side.
John Tyler Griffin Iii is a individual/angel based in San Francisco. Jack Altman is a individual/angel based in San Francisco, California, United States across 70 portfolio companies.
Investors like John Tyler Griffin Iii · Investors like Jack Altman · John Tyler Griffin Iii co-investors · Full investor directory