Investing Profile

Stewart Butterfield

Angel

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University of Cambridge Network
80 CONNECTIONS
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Angel
34
CompanyStageDateRound SizeTotal Raised
Beside
Series AOct 2025$20M
$20M
Co-investors: Mathilde Collin, Pierre Valade, Kaushik Subramanian, Jean Charles Samuelian
Lovable
Series AJul 2025$200M
$520M
Co-investors: Zhenya Loginov (Accel), Fredrik Cassel (Creandum), Firat Ileri (Hummingbird Ventures), Thomas Cuvelier (RTP Global), Linda Tong (Operator Collective), Sara Rywe (byFounders), Robert Lacher (La Famiglia), Gwyneth Paltrow, Stefan Lindeberg, Fredrik Hjelm, Melissa Tan, Dharmesh Shah, Job van der Voort, George Kurtz, Christian Reber, Adam D'Angelo, Charlie Songhurst
Unblocked
Series AMay 2025$20M
SeedOct 2023$8M
$28M
Co-investors: John Lilly (Greylock), Dave Johnson (Intel Capital), David Johnson (Intel Capital), Bubba Murarka (DFJ), Milun Tesovic (Expa), Rob Toews (Radical Ventures), Mike Vernal, Eric Futoran, Quinn Slack, Nitay Joffe, Mike Abbott, Yan-David Erlich
Neo Financial
Series DNov 2024$79M
$290M
Co-investors: Matthew Caspari (Alumni Ventures ), Paul Lee (Tribe Capital), Andrew McCormack (Valar Ventures), Shawn Abbott (iNovia Capital), Ron Pragides, Tobias Lutke
Noded Ai
SeedJul 2024$4M
$4M
Co-investors: Shomik Ghosh (Boldstart Ventures), Frederic Kerrest
Linear
Series BSep 2023$35M
$130M
Co-investors: Stephanie Zhan (Sequoia Capital), Miles Clements (Accel), Jeff Weinstein (FJ Labs), Lenny Rachitsky (AirAngels), Emilie Choi (Coinbase Ventures), Gustaf Alströmer (Y Combinator), Adam Bain (01 Advisors), Dick Costolo (01 Advisors), Harry Stebbings (20VC), Jude Gomila (Jude Gomila Rolling Fund), Lauren Loktev, Bobby Goodlatte, Julia DeWahl, Dylan Field, Aston Motes, Immad Akhund, Robert Gentz, Koen Bok, Christina Cacioppo, Akash Garg, Guillermo Rauch, Claire Hughes Johnson, Charlie Cheever, Tikhon Bernstam, Jeff Chang, Marc McCabe
Panobi
SeedAug 2023$5M
$5M
Co-investors: Nina Achadjian (Index Ventures), Lenny Rachitsky (AirAngels), Jana Messerschmidt (#ANGELS (Hashtag ANGELS)), April Underwood (Adverb Ventures), Fareed Mosavat
Vectara
SeedMay 2023$29M
$54M
Co-investors: Chris McCann (Race Capital), Matt Devost (OODA Ventures), Alfred Chuang (Race Capital), Pegah Ebrahimi (FPV Fund), Bradley Horowitz, Jacob Kerzner, Charles Zedlewski, DJ Patil, Jeff Hammerbacher
CEO & Co-founder Slack Technologies, Inc2009 - Present
University of Cambridge MPhil Philosophy
University of Victoria BA (Hons.) Philosophy
St. Michaels University School