Brian Halligan

Active Investor

Co-founder & Partner at Propeller

Cambridge, Massachusetts

Brian Halligan, Co-founder & Partner at Propeller is an active investor based in Cambridge, Massachusetts. This profile covers what Brian Halligan backs, at which stage, and how founders can reach out in 2026.

Investor type: AngelVCPEInvestment PartnerFounderInvestor
Stages: Early Stage VentureSeedSeries A
Invests in: SaaS & EnterpriseClimate & EnergyIoT & Connected DevicesMobility & LogisticsSupply Chain & LogisticsEdTechFoodTech & AgricultureAgTech & Agriculture
Location: Cambridge, Massachusetts
Typical check: $500K
Past investments: 9

Notable investments

BlissfullyAppcuesDriftOneScreen.AICrayonHubSpotTettraSearchable.aiSequoia Capital

How to reach Brian Halligan

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Frequently Asked Questions

What does Brian Halligan invest in?

Brian Halligan invests in SaaS & Enterprise, Climate & Energy, IoT & Connected Devices and Mobility & Logistics, typically at Early Stage Venture, Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.