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
17
CompanyStageDateRound SizeTotal Raised
Rogo
Series DApr 2026$160M
Series CJan 2026$75M
Series UnknownOct 2025
$310M
Co-investors: Keith Rabois (Khosla Ventures), Patrick Grady (Sequoia Capital), Jack Altman (Benchmark), Mamoon Hamid (Kleiner Perkins), James Flynn (Deerfield Management), Ivan Bercovich (ScOp Venture Capital), Eric Schmidt (Innovation Endeavors), Henry Kravis
Serval
Series BDec 2025$75M
$120M
Co-investors: Alex Bard (Redpoint Ventures), Alex Clayton (Meritech Capital Partners), Marc Bhargava (General Catalyst), Patrick Chase (Redpoint Ventures), Anas Biad (Sequoia Capital), Nmachi Jidenma (General Catalyst), Bill Trenchard (First Round Capital)
Juicebox
Series ASep 2025$30M
$110M
Co-investors: David Cahn (Sequoia Capital), Lauren Reeder (Sequoia Capital), Saurabh Gupta (DST Global), Kris Fredrickson (Verified Capital), Harj Taggar (Y Combinator)
Rillet
Series AMay 2025$25M
$110M
Co-investors: Julien Bek (Sequoia Capital), Alex Rampell (Andreessen Horowitz), Roelof Botha (Sequoia Capital), Seema Amble (Andreessen Horowitz), Chad Byers (Susa Ventures), Cristina Cordova (First Round Capital), Bill Trenchard (First Round Capital), Bashar Hamood (FasterCapital), Hesham Zreik (FasterCapital), Kevin Hartz (A* Capital (A Star Capital)), Peter Specht (Creandum), Scott Belsky (A24), Ron Gill (Lead Edge Capital), Seth Pierrepont (ICONIQ Capital), Gordon Wintrob, Zack Kanter
Agency AI
SeedOct 2024$12M
$35M
Co-investors: Patrick Grady (Sequoia Capital), Gaurav Jain (Founder Collective), Tim Tully (Menlo Ventures), Nat Friedman (C2 Investment), Samara Hernandez (Chingona Ventures), Shruti Gandhi (Array Ventures), Sarah Guo (Conviction Partners), Reshma Saujani
Greenly
Series BMar 2024$53M
$56M
Co-investors: Alexandre Prot
Harvey
Series AApr 2023$21M
$1.2B
Co-investors: Anas Biad (Sequoia Capital), Patrick Grady (Sequoia Capital), Sangeen Zeb (GV (Google Ventures)), Ian Hathaway (Open AI Startup Fund), Elad Gil (Think Colorado), Ilya Fushman (Kleiner Perkins), Kris Fredrickson (Verified Capital), Saurabh Gupta (DST Global)
BodesWell
Pre SeedJan 2021
$1M
Co-investors: Julia Hang (Company Capital), Sravish Sridhar