Investing Profile

Sam Altman

AngelInvestorFounder
Co-founder and CEO of OpenAI
blog.samaltman.comSan Francisco, California
Photo of Sam Altman, Angel

Signal uses Gmail to reveal intro paths. Email content is never read.

Sign in with Google →
Y Combinator Network
37 CONNECTIONS
cb
Angel
$100K - $5.0M
$1.5M
157
CompanyStageDateRound SizeTotal Raised
Boom Supersonic
Series ADec 2024$100M
Series BApr 2019$100M
Series AMar 2017$33M
SeedMar 2016$6M
$330M
Co-investors: Reid Hoffman (Greylock), Avichal Garg (Electric Capital), Josh Buckley (Buckley Ventures), Wei Guo (UpHonest Capital), Michael Marks (Celesta), Harshul Sanghi (American Express Ventures), Luigi Bajetti (LombardStreet Ventures), Eric Lefkofsky (Lightbank), Jude Gomila (Jude Gomila Rolling Fund), Zia Huque (Prime Movers Lab), Matthew Bellamy (Helium-3 Ventures), Alexander Piskunov (KAAN Ventures), Max Altman (Saga), Matt Bellamy, Louis Beryl, Paul Graham, Sahin Boydas, Michael Moritz, Mattia Astori, Alexander Gerko
GALY
Series BSep 2024$33M
$34M
Co-investors: Carmichael Roberts (Breakthrough Energy Ventures), Tim Draper (Draper Associates), Jamie Goldstein (Pillar VC)
Beacon AI
Series AAug 2024$15M
SeedOct 2021$5M
$20M
Co-investors: Jackson Moses (Afore Capital), Lauren Farleigh (Mischief Venture Capital), Zach Perret (Mischief Venture Capital), Bradley C. Harrison (Scout Ventures), Greg Sands (Costanoa Ventures), Jai Malik (Countdown Capital), Jim Lockheed (JetBlue Technology Ventures)
Slope
Series UnknownJul 2024$15M
Series ASep 2023$30M
$77M
Co-investors: Darian Shirazi (Gradient Ventures), John Buttrick (Union Square Ventures), Marcelo Lima (monashees), Rebecca Kaden (Union Square Ventures), Donald Stalter (Global Founders Capital), David Helgason (foobar.vc), Jack Altman (Alt Capital), Surbhi Sarna (Y Combinator), Jared Friedman (Y Combinator), Alex Bouaziz (Sarona Ventures), Max Altman (Saga), Brad Flora (Y Combinator), William Hockey, Eric Wu, Drew Houston, Arash Ferdowsi, Stanley Tang, Tim Griffin, Mathilde Collin
ValueBase
SeedJun 2024$6M
Pre SeedFeb 2023$2M
$8M
Co-investors: Nat Friedman (C2 Investment), Erik Torenberg (Village Global), Julian Weisser (Kepler Operator’s Fund), Sahil Lavingia
APEX
SeedMay 2024$7M
$7M
Co-investors: Shardul Shah (Index Ventures), Bogomil Balkansky (Sequoia Capital), Min Teo (Ethereal Ventures)
Airchat
UndisclosedApr 2024
Exowatt
SeedApr 2024$20M
$20M
Co-investors: Viviana Faga (Felicis Ventures), Katherine Boyle (Andreessen Horowitz), Aydin Senkut (Felicis Ventures), Jack Abraham (Atomic)
President Y Combinator2016 - 2019