Bob Mumgaard
FounderFounder at Commonwealth Fusion Systems
Boston, Massachusetts, United States
FoundedCommonwealth Fusion Systems
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704 people in our graph share verified history with Bob — schools, employers, funds. One of them is your warm intro.
Tsendai ChagwederaunlockedBob: together at Massachusetts Institute of Technology (2008–2011)
×9Bob: together at Massachusetts Institute of Technology
×2Bob: together at University of Nebraska-Lincoln
About
Bob Mumgaard is the co-founder and CEO of Commonwealth Fusion Systems (CFS), a fusion energy startup spun out of MIT. In his role, he oversees the company's strategic partnerships and technical approach, working in collaboration with MIT's Plasma Science and Fusion Center. CFS develops compact, high-magnetic-field tokamak devices, drawing on plasma physics research and advances in superconductors to pursue commercial fusion energy.
Founder at Commonwealth Fusion Systems
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Commonwealth Fusion Systems's investors · 46
Advection Growth CapitalNew York CityArmada Investment AGBay Bridge Ventures ClimateBerkeleyBeni Venture CapitalMiami · $100K – $250K checksBrainstorm VenturesSan FranciscoBreakthrough Energy VenturesBoston · $500K – $50M checks · since 2021Coatue ManagementNew York · $1M – $20M checks · since 2021Collaborative FundNew York · $500K – $1M checksCongruent VenturesSan Francisco · $100K – $5M checksDevelopment Bank of JapanTokyo · since 2025Devonshire Investorssince 2020Doon CapitalSilicon ValleyEmerson Collective InvestingPalo Alto · $100K – $1M checksEni NextBoston · since 2020Equinor VenturesStavanger · $1M – $70M checks · since 2021Evolution VC PartnersNew YorkFine Structures VenturesCambridgeFootPrint CoalitionLos Angeles · $50K – $1M checks · since 2021Future VenturesLos Altos · $1M – $10M checks · since 2021Galaxy InteractiveNew York · $1M – $20M checks · since 2025Gigascale CapitalPalo Alto · since 2025Global BrainTokyo · $100K – $184M checksHOF CapitalNew York · $25K – $15M checks · since 2025JERATokyo · since 2025Khosla VenturesMenlo Park · $5K – $50M checks · since 2020Kleiner PerkinsMenlo Park · $500K – $15M checks · since 2021LOWERCARBONJackson · $1M – $50M checks · since 2021Lowercarbon CapitalLos Angeles · $100K – $5M checksMitsui & Cosince 2025Neva Sgr.TurinNTT DOCOMO VenturesTokyoNVenturesSanta ClaraPerot JainDallas · $500K checksPreston-Werner VenturesSan Francisco Bay Area · $500K – $3M checksPrime Movers LabJackson · $2M – $30M checksSafar PartnersCambridge · since 2020Sand Hill AngelsMenlo Park · $50K – $2M checksSchooner CapitalBoston · since 2020Starbridge Venture Capital LlcWashingtonStarlight VenturesMiami · $100K – $3M checks · since 2020Sumitomo Mitsui Banking CorporationTokyo · since 2025TemasekSingapore · since 2020The Engine VenturesCambridgeThrive CapitalNew York · $500K – $25M checksTiger Global ManagementNew York · $1M – $100M checks · since 2021Woori Venture Partners Us, Inc.Silicon Valley · since 2025
Co-founders at Commonwealth Fusion Systems
BS
Brandon SorbomFounder
RM
Robert MumgaardExecutive Officer, Director
DB
Daniel BrunnerExecutive Officer
Experience
- Commonwealth Fusion SystemsCo-founder and CEOcurrent2018 — presentCambridge, MA
- Massachusetts Institute of TechnologyPostdoctoral Fellow2016 — 2018
- Massachusetts Institute of TechnologyTranslational Fellow2015 — 2016
Skills & more
Project ManagementCEOs
From Bob's professional profile.
Frequently asked questions
- Who is Bob Mumgaard?
- Bob Mumgaard is the co-founder and CEO of Commonwealth Fusion Systems (CFS), a fusion energy startup spun out of MIT. In his role, he oversees the company's strategic partnerships and technical approach, working in collaboration with MIT's Plasma Science and Fusion Center. CFS develops compact, high-magnetic-field tokamak devices, drawing on plasma physics research and advances in superconductors to pursue commercial fusion energy.
- Where does Bob Mumgaard work?
- Bob Mumgaard is Founder of Commonwealth Fusion Systems.
- What companies did Bob Mumgaard found?
- Bob Mumgaard founded Commonwealth Fusion Systems.
- Where did Bob Mumgaard go to school?
- Bob Mumgaard studied at Massachusetts Institute of Technology (Doctor of Philosophy - PhD, Applied Plasma Physics); Massachusetts Institute of Technology (Master's degree, Nuclear Science and Engineering); University of Nebraska-Lincoln (Bachelor of Science - BS, Engineering Physics).
Founder mafias
Massachusetts Institute of Technology mafia1,221
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University of Nebraska-Lincoln mafia30
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Same school
Also attended Massachusetts Institute of Technology2,000
Hemant TanejaCEO & Managing Director of General CatalystNat FriedmanCo-lead of Meta Superintelligence Labs; co-founder of NFDGBrad FeldCo-founder of Foundry and TechstarsMatt HuangCo-founder and Managing Partner at ParadigmDelian AsparouhovPartner at Founders Fund and co-founder of VardaDrew HoustonCo-founder & CEO of Dropbox
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Also attended University of Nebraska-Lincoln88
Evan WilliamsCo-founder of Twitter, Blogger and MediumMaria HeyenInvestor at LightbankJim BarsnessInvestor at FortySix Venture CapitalJennifer MirandaDesign Director at Red Cell IncubationJami HuntManaging Partner at Alpha EdisonKylie UvodichPrincipal at Five Elms Capital
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Shared employers
Also worked at Commonwealth Fusion Systems17
Kent MadsenFounding Managing Partner Emeritus & Venture Partner at EPIC VENTURESRandy GleinFounder and Managing Partner at DFJDan BrunnerAdvisor, Co-Founder and former CTO, Commonwealth Fusion Systems and Partner, Future Tech Partners at Overture ClimateTim KrysiekManaging Partner at MassMutual VenturesCarly AndersonPrincipal at Prelude VenturesHisham ElhaddadManaging Partner at HOF Capital
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Also worked at Massachusetts Institute of Technology817
Aileen LeeFounder & Managing Partner of Cowboy VenturesMatt HuangCo-founder and Managing Partner at ParadigmMichael TruellCo-founder & CEO of CursorRaquel UrtasunFounder & CEO of WaabiColin WebbFounder & CEO of Avatar RoboticsAbraham BachrachCo-founder & CTO of Skydio
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