Investing Profile

Stewart Butterfield

Angel

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University of Cambridge Network
260 CONNECTIONS
cb
Angel
36
CompanyStageDateRound SizeTotal Raised
Centralize
Series AJul 2026$15M
$16M
Co-investors: Diana Hu (Y Combinator)
Viktor
Series AMay 2026$75M
$75M
Co-investors: Zhenya Loginov (Accel), Nat Friedman (C2 Investment), Alex Bouaziz (Sarona Ventures), Max Mullen (Instacart), Daniel Gross (C2 Investment), Shaan Puri (Shaan's All Access Fund), Lenny Rachitsky (Self-employed), Harry Stebbings (Stride.VC), Charlie Songhurst, Koen Bok, Nico Rosberg, Guillermo Rauch
Beside
Series AOct 2025$20M
$20M
Co-investors: Kaushik Subramanian (EQT Ventures), Pierre Valade, Jean Charles Samuelian, Mathilde Collin
Lovable
Series AJul 2025$200M
$550M
Co-investors: Zhenya Loginov (Accel), Ben Fletcher (Accel), Matt Murphy (Menlo Ventures), Thomas Cuvelier (none), Stefan Lindeberg (Further Than Capital), Sara Rywe (byFounders), Firat Ileri (Hummingbird Ventures), Christian Reber (Freigeist), Robert Lacher (La Famiglia), Fredrik Cassel (Creandum), Linda Tong (Operator Collective), Job van der Voort (Remote First Capital), Laela Sturdy (CapitalG), Adam D'Angelo, Charlie Songhurst, George Kurtz, Melissa Tan, Dharmesh Shah, Fredrik Hjelm, Gwyneth Paltrow
Unblocked
Series AMay 2025$20M
SeedOct 2023$8M
$28M
Co-investors: John Lilly (Greylock), Yan-David Erlich (B Capital Group), Mike Vernal (Sequoia Capital), Bubba Murarka (DFJ/Draper Associates/Draper University), Milun Tesovic (Expa), Rob Toews (Radical Ventures), Eric Futoran, Quinn Slack, Nitay Joffe, Mike Abbott
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), Emilie Choi (Coinbase Ventures), Gustaf Alströmer (Y Combinator), Bobby Goodlatte (Notable Capital (formerly GGV Capital)), Jude Gomila (Golden (Recursion Inc)), Adam Bain (01 Advisors), Lenny Rachitsky (Self-employed), Harry Stebbings (Stride.VC), Aston Motes (UnitedMasters), Dick Costolo (01 Advisors), Robert Gentz (Unknown Ventures), Immad Akhund (Y Combinator), Marc McCabe, Julia DeWahl, Lauren Loktev, Tikhon Bernstam, Claire Hughes Johnson, Guillermo Rauch, Akash Garg, Christina Cacioppo, Koen Bok, Dylan Field, Charlie Cheever, Jeff Chang
CEO & Co-founder Slack Technologies, Inc2009 - Present
University of Cambridge MPhil Philosophy
University of Victoria BA (Hons.) Philosophy
St. Michaels University School