Angel investors
Person
Investors who used to aggregate into groups to write one large check for Series A financing, but now tend to write individual checks.
Mentioned in 2 videos
Videos Mentioning Angel investors

Carolynn Levy - Modern Startup Funding
Y Combinator
Investors who used to aggregate into groups to write one large check for Series A financing, but now tend to write individual checks.

Nate Blecharczyk at Startup School 2013
Y Combinator
Type of investors who offered initial seed funding, facilitated by Michael Seibel after the founders showed progress.