Investing Profile

Adam D'Angelo

InvestorAngel

Founder & CEO at Quora

Palo Alto, California

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Networks Adam is a member of

Facebook Network

354 CONNECTIONS

Facebook Network

354 CONNECTIONS

Caltech Network

66 CONNECTIONS

Quora Network

13 CONNECTIONS

Find Adam D'Angelo on

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Current Investing Position

Angel

Investment Range

$10K - $500K

Sweet Spot

$100K

Investments On Record

71

Adam D'Angelo is on these Sector & Stage Rankings

AI (Series B)Consumer Internet (Series B)AI (Seed)AI (Series A)Consumer Internet (Seed)San Francisco Bay Area Angel, Scout, and Solo-Capitalists AI (Pre-seed)Consumer Internet (Pre-seed)Consumer Internet (Series A)

Adam D'Angelo's Investments On Record (65)

Company	StageDateRound Size	Total Raised
Argn	AngelJul 2026
8090 Solutions	Series AJun 2026$140M	$140M
Co-investors: Jason Calacanis (Uber)
roomix	Pre SeedMay 2026$500K	$500K
Co-investors: Guillermo Rauch (Vercel), Charlie Songhurst
Espa	AngelMay 2026
Co-investors: Anu Bharadwaj (Operator Collective), Tekedra N. Mawakana (Waymo)
Mechanize	SeedApr 2026$9M	$9M
Co-investors: Patrick Collison (Archipelagos, Institute of Marine Conservation), Daniel Gross (Various)
Basis	Series BFeb 2026$100M Series ADec 2024$34M	$270M
Co-investors: Sheel Mohnot (Better Tomorrow Ventures), Adina Tecklu (Khosla Ventures), Guimar Vaca Sittic (FJ Labs), Keith Rabois (Khosla Ventures), Vinod Khosla (Khosla Ventures), Edward Lando (Pareto Holdings), Raymond Tonsing (Caffeinated Capital), Sophie Liao (Oyster Ventures), Naval Ravikant (Sm4rt Predictive Systems), Eric Wu (Resolute Ventures), Scott Belsky (A24), Azeem Azhar (Xtripe Angels), Nat Friedman (Self-employed), Kyle Vogt (Unknown Ventures), Daniel Gross (Various), Lenny Rachitsky (Self-employed), Jack Altman (Lattice Ventures), Kris Fredrickson (Verified Capital), Chris Sang (Saltwater Fund), Miles Clements (Accel-KKR), Aaron Levie, Mark Gillespie, Larry Summers, Claire Hughes Johnson, Amjad Masad
Simile	Series AFeb 2026$100M	$300M
Co-investors: Shardul Shah (Index Ventures), Scott Belsky (A24), Fei-Fei Li (AI4ALL), Guillermo Rauch (Vercel)
Oboe	Series ADec 2025$16M	$20M
Co-investors: Jared Hecht (Union Square Ventures), Bryan Kim (Andreessen Horowitz), M.G. Siegler (GV (Google Ventures)), MG Siegler (GV (Google Ventures)), Scott Belsky (A24), Lenny Rachitsky (Self-employed), Garry Tan (Y Combinator), Nikita Bier

Adam D'Angelo's Experience

CEO QuoraPresent

CTO Facebook2006 - 2008

random stuff Facebook2004 - 2005

Adam D'Angelo's Education

Caltech BS Computer Science

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