Find your path to Brian
590 people in our graph share verified history with Brian — schools, employers, funds. One of them is your warm intro.
Adam ValkinunlockedBrian: together at Harvard University (1992–1995)
×9Brian: together at Harvard Business School
×2Brian: together at Harvard University
About
Co-founder of M33 Growth who works with management teams on go-to-market expansion and strategic acquisitions. Formerly Chief Administrator/Acting GM of the MBTA and a managing director at General Catalyst; also worked at Bain & Company and H.I.G. Capital, and served as a Marine officer.
Contact· self-published, not guessed
Experience
- M33 GrowthCo-Founder & Managing Directorcurrent2017 — presentGreater Boston Area
- SwiftComplyBoard Membercurrent2025 — present
- BFC SoftwareMember Board of Directorscurrent2023 — present
- BrillionMember Board of Directorscurrent2023 — present
- PerformLineBoard Membercurrent2021 — present
Skills & more
Venture Capital85Start-ups45
From Brian's professional profile.
Colleagues at M33 Growth
Frequently asked questions
- Who is Brian Shortsleeve?
- Co-founder of M33 Growth who works with management teams on go-to-market expansion and strategic acquisitions. Formerly Chief Administrator/Acting GM of the MBTA and a managing director at General Catalyst; also worked at Bain & Company and H.I.G. Capital, and served as a Marine officer.
- Where does Brian Shortsleeve work?
- Brian Shortsleeve is Founder at M33 Growth.
- Where did Brian Shortsleeve go to school?
- Brian Shortsleeve studied at Harvard Business School (MBA); Harvard University (BA, American History).
Founder mafias
Harvard Business School mafia893
Also came through, then founded or led a company.
Brad GerstnerMBAFounded AltimeterTim DraperMBAFounded Draper AssociatesMike Maples JrMBAFounded Pattern BreakersHristo BorisovOPM Class 64Founded PayhawkNoubar AfeyanVisiting LecturerFounded ProFound Therapeutics +13Wade MyersMBAFounded RealManage +6
+ 886 more
M33 Growth mafia4
Also came through, then founded or led a company.
Swiftcomply mafia2
Also came through, then founded or led a company.
Same school
Also attended Harvard Business School2,000
Aileen LeeFounder & Managing Partner of Cowboy VenturesJim BreyerFounder & CEO of Breyer CapitalMike Maples JrCo-founding Partner at FloodgateNeeraj AgrawalGeneral Partner at Battery VenturesHristo BorisovCo-founder & CEO of PayhawkVictoria TreygerGeneral Partner at Felicis Ventures
+ 1,994 more
Also attended Harvard University2,000
Ron ConwayFounder of SV AngelAlfred LinPartner at Sequoia CapitalChris DixonFounder & Managing Partner of a16z crypto at Andreessen HorowitzSarah TavelVenture Partner at BenchmarkDanny RimerPartner at Index VenturesLaela SturdyManaging Partner at CapitalG
+ 1,994 more
