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Investor profile

Brian Halligan

Co-Founder & Partner, Propeller VC

About

Brian Halligan is a former HubSpot co-founder and CEO who now invests at Propeller VC while teaching his scaling frameworks—including his MSPOT method and concepts like trust battery and glue people—to scaleup CEOs navigating the transition from startup to multi-billion dollar outcomes. He deliberately pivoted from SaaS to climate tech investing, co-founding Propeller to focus specifically on ocean-related solutions while building structured founder education programs like the Ocean MBA that combine scientific partnerships with startup expertise. Brian Halligan is a former HubSpot co-founder and CEO who now invests at Propeller VC while teaching his scaling frameworks—including his MSPOT method and concepts like trust battery and glue people—to scaleup CEOs navigating the transition from startup to multi-billion dollar outcomes. He deliberately pivoted from SaaS to climate tech investing, co-founding Propeller to focus specifically on ocean-related solutions while building structured founder education programs like the Ocean MBA that combine scientific partnerships with startup expertise.

Works at

Investment focus

Stages
Pre-Seed
Seed
Series A
Sectors
Climate
Energy
Food
Ag
Transportation
Deeptech
Hardware

Investment details

Avg check size$100K - $10M
Can lead rounds
No
Geographies
USA