Stephen Prough vs Mark Louis Attanasio compared for founders deciding who to pitch. Stage focus, check size, and sector fit compared side by side.
Stephen Prough is a individual/angel based in Los Angeles. Mark Louis Attanasio is a individual/angel based in Los Angeles, CA, United States.
Investors like Stephen Prough · Investors like Mark Louis Attanasio · Stephen Prough co-investors · Full investor directory