Angel · San Francisco Bay Area
Check size: $100K to $5M
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Sam Altman writes individual checks. Angels carry outsized signal early, the right names on a SAFE turn warm intros to institutional rounds faster than any other lever, and they decide in hours, not weeks. VC Boom tracks Sam Altman alongside 47,000+ other active investors, ranked weekly by recent-deal momentum, sector concentration, and partner activity.
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