Brian Halligan
InvestorFounderPartner at Propeller VC · Investor at Sequoia Capital · Founder at HubSpot
Cambridge, Massachusetts
Writes $100K – $10M checks · typically $1.5M
FoundedHubSpot
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About
Brian Halligan, former HubSpot co-founder and CEO, teaches scaling frameworks (MSPOT, trust battery, glue people) and leads ocean-focused climate-tech programs like Ocean MBA to help scaleup CEOs reach multi-billion outcomes.
Invests in
AgTechClimate TechDeep TechEnergyFoodTechHardwareMobility & Transportation
Founder at HubSpot
Intro paths
In turn, Brian can intro founders to HubSpot's investors below.
HubSpot's investors · 20
Co-founders at HubSpot

Experience
- Long Strange Trip: CEO to CEO with Brian HalliganHostcurrent2025 — present
- HubSpotCo-Founder & Board Membercurrent2025 — present
- HubSpotCo-Founder & Chairperson2021 — 2025
- HubSpotCo-Founder & CEO2006 — 2021
- Sequoia CapitalSenior Advisorcurrent2024 — presentUnited States
- PropellerCo-founder & Partnercurrent2022 — presentCambridge, Massachusetts, United States
- MITSenior Lecturercurrent2009 — present
- MITSloan Fellow2004 — 2005
- Groove NetworksVP Sales2000 — 2004
- Parametric Technology CorporationSales VP1990 — 1999
Skills & more
+12 more
EntrepreneurshipProduct ManagementMarketing AutomationSalesBloggingProduct MarketingOnline MarketingSales ProcessSellingSocial MediaStrategic PartnershipsManagement- Diligent Climate Leadership Certification — Diligent
From Brian's professional profile.
Investments
Per curated public sources.
Colleagues at Propeller VC
Network11
Investors connected to Brian in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Brian Halligan?
- Brian Halligan, former HubSpot co-founder and CEO, teaches scaling frameworks (MSPOT, trust battery, glue people) and leads ocean-focused climate-tech programs like Ocean MBA to help scaleup CEOs reach multi-billion outcomes.
- Where does Brian Halligan work?
- Brian Halligan is Founder of HubSpot and Partner at Propeller VC.
- What does Brian Halligan invest in?
- Brian Halligan invests in AgTech, Climate Tech, Deep Tech, Energy, FoodTech, Hardware, Mobility & Transportation.
- What check size does Brian Halligan write?
- Brian Halligan typically writes checks of $100K – $10M.
- What companies did Brian Halligan found?
- Brian Halligan founded HubSpot.
- What companies has Brian Halligan invested in?
- Investments tracked here include Agency Ai, Appcues, Blissfully, BodesWell, Crayon, Draftea, Drift, Greenly, Harvey, Juicebox, OneScreen.AI, Rillet, and 4 more.
- Where did Brian Halligan go to school?
- Brian Halligan studied at MIT Sloan School of Management (MBA, Business Administration and Management); University of Vermont (BS, EE).
Founder mafias
MIT Sloan School of Management mafia433
Also came through, then founded or led a company.
University of Vermont mafia60
Also came through, then founded or led a company.
HubSpot mafia48
Also came through, then founded or led a company.
Sequoia Capital mafia30
Also came through, then founded or led a company.
Propeller mafia4
Also came through, then founded or led a company.
Same school
Also attended MIT Sloan School of Management1,040
+ 1,034 more
Also attended University of Vermont163
+ 157 more
Shared employers
Also worked at Long Strange Trip: CEO to CEO with Brian Halligan1
Also worked at HubSpot91
+ 85 more








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