Investing Profile

Sam Altman

AngelInvestorFounder
Co-founder and CEO of OpenAI
blog.samaltman.comSan Francisco, California
Photo of Sam Altman, Angel
Y Combinator Network
37 CONNECTIONS
cb
Angel
$100K - $5.0M
$1.5M
156
CompanyStageDateRound SizeTotal Raised
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), Jai Malik (Countdown Capital), Bradley C. Harrison (Scout Ventures), Greg Sands (Costanoa Ventures), Jim Lockheed (JetBlue Technology Ventures)
Slope
Series UnknownJul 2024$15M
Series ASep 2023$30M
$77M
Co-investors: John Buttrick (Union Square Ventures), Rebecca Kaden (Union Square Ventures), Marcelo Lima (monashees), Darian Shirazi (Gradient Ventures), Donald Stalter (Global Founders Capital), Max Altman (Saga), Jared Friedman (Y Combinator), Alex Bouaziz (Sarona Ventures), David Helgason (foobar.vc), Jack Altman (Alt Capital), Brad Flora (Y Combinator), Surbhi Sarna (Y Combinator), William Hockey, Drew Houston, Arash Ferdowsi, Mathilde Collin, Eric Wu, Tim Griffin, Stanley Tang
ValueBase
SeedJun 2024$6M
Pre SeedFeb 2023$2M
$8M
Co-investors: Erik Torenberg (Village Global), Julian Weisser (Kepler Operator’s Fund), Nat Friedman (C2 Investment), 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: Aydin Senkut (Felicis Ventures), Viviana Faga (Felicis Ventures), Katherine Boyle (Andreessen Horowitz), Jack Abraham (Atomic)
Meter
Series BFeb 2024$35M
Series BMay 2022$38M
$81M
Co-investors: Reid Hoffman (Greylock), Ravi Gupta (Sequoia Capital), Lachy Groom (LGF), Vivek Patel, Scott Belsky, Patrick Collison, John Collison
President Y Combinator2016 - 2019