Investing Profile

Stewart Butterfield

Angel

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University of Cambridge Network
81 CONNECTIONS
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Angel
34
CompanyStageDateRound SizeTotal Raised
Beside
Series AOct 2025$20M
$20M
Co-investors: Kaushik Subramanian, Jean Charles Samuelian, Mathilde Collin, Pierre Valade
Lovable
Series AJul 2025$200M
$850M
Co-investors: Ben Fletcher (Accel), Zhenya Loginov (Accel), Matt Murphy (Menlo Ventures), Laela Sturdy (CapitalG), Fredrik Cassel (Creandum), Sara Rywe (byFounders), Robert Lacher (La Famiglia), Firat Ileri (Hummingbird Ventures), Linda Tong (Operator Collective), Thomas Cuvelier (RTP Global), Melissa Tan, Stefan Lindeberg, Dharmesh Shah, Fredrik Hjelm, Job van der Voort, George Kurtz, Christian Reber, Adam D'Angelo, Gwyneth Paltrow, Charlie Songhurst
Unblocked
Series AMay 2025$20M
SeedOct 2023$8M
$28M
Co-investors: David Johnson (Intel Capital), John Lilly (Greylock), Dave 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: Paul Lee (Tribe Capital), Matthew Caspari (Alumni Ventures ), Andrew McCormack (Valar Ventures), Shawn Abbott (iNovia Capital), Tobias Lutke, Ron Pragides
Noded Ai
SeedJul 2024$4M
$4M
Co-investors: Shomik Ghosh (Boldstart Ventures), Frederic Kerrest
Linear
Series BSep 2023$35M
$130M
Co-investors: Miles Clements (Accel), Stephanie Zhan (Sequoia Capital), Jeff Weinstein (FJ Labs), Lenny Rachitsky (AirAngels), Emilie Choi (Coinbase Ventures), Dick Costolo (01 Advisors), Jude Gomila (Jude Gomila Rolling Fund), Gustaf Alströmer (Y Combinator), Harry Stebbings (20VC), Adam Bain (01 Advisors), Julia DeWahl, Marc McCabe, Jeff Chang, Bobby Goodlatte, Dylan Field, Claire Hughes Johnson, Tikhon Bernstam, Aston Motes, Guillermo Rauch, Akash Garg, Charlie Cheever, Christina Cacioppo, Lauren Loktev, Koen Bok, Robert Gentz, Immad Akhund
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), Pegah Ebrahimi (FPV Fund), Alfred Chuang (Race Capital), Matt Devost (OODA Ventures), 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