Max Pfeiffer
FounderFounder at Voxel Energy
Los Angeles, California, United States
FoundedVoxel Energy · YC
About
Max Pfeiffer previously worked as a design engineer at Tesla developing electric vehicle prototypes and founded Maxwell Vehicles, an EV manufacturer, after studying electrical engineering at the University of Washington. He is now focused on clean energy technologies for AI infrastructure at Voxel Energy.
Founder at Voxel EnergyYC W26
Intro paths
YC
Max went through Y Combinator (Winter 2026) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Jon Xu, General Partner at Y Combinator — the partner who ran Voxel Energy's batch and knows the company first-hand. YC profile ↗
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In turn, Max can intro founders to Voxel Energy's investors below.
Voxel Energy's investors · 3
Co-founders at Voxel Energy
CS
Casey SpencerFounder
ES
Evan SchmidtFounder
Experience
- Voxel EnergyCTO @ Voxel Energycurrent2025 — present
- Maxwell VehiclesCo-Founder & CEOcurrent2018 — presentLos Angeles Metropolitan Area
- Volvo CarsSoftware Engineering Intern2018
- TeslaPrototype Engineering Intern2017Palo Alto, California
- TeslaElectrical Engineering Intern2017Palo Alto, CA
- University of WashingtonElectrical Engineering FIG Leader2015 — 2017
- Washington HyperloopDirector & Power Electronics Focal2016 — 2017Seattle
- LevitonElectrical Engineering Intern2016Bothell, Wa
- Memorable MusicOwner2013 — 2016Seattle
- Sail Sand PointProgram Manager - Evening and Weekend2011 — 2016Seattle, Washington
- Clay Animation NetworkSystems Engineering Intern2010 — 2015Seattle, Washington
Skills & more
Microsoft Office4Microsoft Excel4Microsoft Word4PowerPoint3AutoCAD2Matlab2CatiaManagement5Public Speaking4Leadership4Electrical Engineering11Teaching11
+8 more
Customer ServiceResearchProject ManagementEvent ManagementSPICESystemVerilogProgrammingMachine Des- US Sailing Level 1 — US Sailing
From Max's professional profile.
Frequently asked questions
- Who is Max Pfeiffer?
- Max Pfeiffer previously worked as a design engineer at Tesla developing electric vehicle prototypes and founded Maxwell Vehicles, an EV manufacturer, after studying electrical engineering at the University of Washington. He is now focused on clean energy technologies for AI infrastructure at Voxel Energy.
- Where does Max Pfeiffer work?
- Max Pfeiffer is Founder of Voxel Energy.
- What companies did Max Pfeiffer found?
- Max Pfeiffer founded Voxel Energy.
- Where did Max Pfeiffer go to school?
- Max Pfeiffer studied at Y Combinator (W26, Voxel Energy); University of Washington (Bachelor of Science - BS, Electrical and Computer Engineering).
Founder mafias
Y Combinator mafia8,773
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Y Combinator mafia4,716
Also came through, then founded or led a company.
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University of Washington mafia114
Also came through, then founded or led a company.
Arvind JainMastersFounded GleanJane MooneyBachelor of Business Administration - BBAFounded Collaborative RoboticsMatthew ScholzBSFounded Oisin Biotechnologies +3Emmett ShearFounded Softmax +2Emin Gun SirerPh.D.Founded Avalanche +2Sara VaezyMPHFounded Dexcare +1
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Same school
Also attended Y Combinator2,000
Tarek MansourCo-founder & CEO of KalshiSuhail DoshiFounder of Mixpanel; founder of ParticleSubomi OluwalanaCo-founder & CEO of ConvoyArhaan A.Deeptech Fellow at Clear VenturesMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports Ventures
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Also attended University of Washington338
Andrew ChenGeneral Partner at Andreessen HorowitzArvind JainFounder & CEO of GleanJane MooneyCo-founder & VP, Strategy and Finance at Collaborative RoboticsVictoria TreygerGeneral Partner at Felicis VenturesAndrewAdvisor at Clear VenturesRolanda FuInvestor at Madrona Venture Group
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Shared employers
Also worked at Voxel Energy2
Also worked at Maxwell Vehicles1
Also worked at Tesla204
Steve JurvetsonCo-founder of Future VenturesJoe GebbiaCo-founder of AirbnbJustin LiuVice President at Sapphire VenturesAndrew VogeleyVice President at Sapphire VenturesErica WaichmanHead of People & Community at Canvas VenturesBen FawEntrepreneur-in-Residence at Context Ventures
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Also worked at University of Washington104
Joe HorsmanInvestor at Madrona Venture GroupRasik ParikhInvestor at Madrona Venture GroupMike FridgenVenture Partner at Madrona Venture GroupSid ShenaiVenture partner at Madrona and co-founder and CEO of Proof DiagnosticsPaul JennyBoard Chair at CincyTechJason PrestonInvestor at Alsop Louie Partners
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