Investing Profile

Brian Halligan

InvestorVCFounder
Co-founder and Partner at Propeller VC
propellervc.comCambridge, Massachusetts
Photo of Brian Halligan, Partner at Propeller VC

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Propeller VC Partner
$100K - $5.0M
$1.5M
16
CompanyStageDateRound SizeTotal Raised
Rogo
Series DApr 2026$160M
Series CJan 2026$75M
$310M
Co-investors: Keith Rabois (Khosla Ventures), Jack Altman (Benchmark), Patrick Grady (Sequoia Capital), Ivan Bercovich (ScOp Venture Capital), Eric Schmidt (Innovation Endeavors), Mamoon Hamid (Kleiner Perkins), Henry Kravis
Serval
Series BDec 2025$75M
$120M
Co-investors: Marc Bhargava (General Catalyst), Alex Clayton (Spark Capital), Anas Biad (Sequoia Capital), Patrick Chase (Redpoint Ventures), Alex Bard (Redpoint Ventures), Nmachi Jidenma (General Catalyst), Bill Trenchard (First Round Capital)
Juicebox
Series ASep 2025$30M
$110M
Co-investors: Kris Fredrickson (Verified Capital), Harj Taggar (Y Combinator), Lauren Reeder (Dorm Room Fund), David Cahn (Coatue Management), Saurabh Gupta (DST Global)
Rillet
Series AMay 2025$25M
$110M
Co-investors: Kevin Hartz (Founders Fund), Chad Byers (Susa Ventures), Roelof Botha (Sequoia Capital), Julien Bek (Sequoia Capital), Seema Amble (Andreessen Horowitz), Alex Rampell (Andreessen Horowitz), Cristina Cordova (First Round Capital), Bill Trenchard (First Round Capital), Bashar Hamood (FasterCapital), Hesham Zreik (FasterCapital), Peter Specht (Creandum), Zack Kanter (Stedi), Scott Belsky (A24), Ron Gill (Lead Edge Capital), Seth Pierrepont (ICONIQ Capital), Gordon Wintrob
Agency AI
SeedOct 2024$12M
$35M
Co-investors: Patrick Grady (Sequoia Capital), Tim Tully (Menlo Ventures), Gaurav Jain (Afore Capital), Reshma Saujani (Moms First), Nat Friedman (Self-employed), Samara Hernandez (Chingona Ventures), Shruti Gandhi (Array Ventures), Sarah Guo (Conviction Partners)
Greenly
Series BMar 2024$53M
$56M
Co-investors: Alexandre Prot (Qonto)
Harvey
Series AApr 2023$21M
$1.2B
Co-investors: Anas Biad (Sequoia Capital), Sangeen Zeb (GV (Google Ventures)), Patrick Grady (Sequoia Capital), Ian Hathaway (OpenAI), Elad Gil (Gil Capital / Gil & Co), Saurabh Gupta (DST Global), Kris Fredrickson (Verified Capital), Ilya Fushman (Kleiner Perkins)
BodesWell
Pre SeedJan 2021
$1M
Co-investors: Julia Hang (Vesey Ventures), Sravish Sridhar
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