Fundraising Fox

Demetrios Kellari

Investor

Technical Advisor at New System Ventures

Brooklyn, New York, United States

Find your path to Demetrios

1,141 people in our graph share verified history with Demetrios — schools, employers, funds. One of them is your warm intro.

Kike MirallesunlockedDemetrios: together at McKinsey & Company (2016–2019)
×2Demetrios: together at Massachusetts Institute of Technology (MIT)
×9Demetrios: together at McKinsey & Company

Experience

  1. Neion BioCo-Founder & CEOcurrent2024 — presentNew York City Metropolitan Area
  2. New System VenturesAdvisorcurrent2024 — presentNew York City Metropolitan Area
  3. CavnueAdvisorcurrent2024 — present
  4. CavnueCo-Founder and Head of Product, Systems, and Technology2021 — 2024New York City Metropolitan Area
  5. VariousAngel Investorcurrent2021 — presentNew York, New York, United States
  6. SandboxAQAdvisor2022 — 2025New York City Metropolitan Area
  7. DioxycleConsultant / Advisor2024
  8. Sidewalk Infrastructure Partners (SIP)Investor2020 — 2021Greater New York City Area
  9. X, the moonshot factoryProduct Manager2018 — 2020
  10. X, the moonshot factoryStrategist2018 — 2020
  11. McKinsey & CompanySenior Analyst2016 — 2019Greater New York City Area
  12. Massachusetts Institute of Technology (MIT)Researcher2014 — 2016Cambridge, MA
  13. CERNMechanical and Materials Engineer2013
  14. AirbusAerospace Engineer, Special Projects2011 — 2012Bristol, United Kingdom

Skills & more

Teamwork7Public Speaking2Management1Strategy4Start-ups12Entrepreneurship19New Ventures3Value Creation3Value Chain Analysis2Fluid Mechanics20CFD3Aerodynamics17
+12 moreAerospaceValue EngineeringNastranCompositesStress AnalysisAircraftFluid DynamicsMathematical ModelingStructural AnalysisSimulationsResearchData Analysis

Languages Greek

From Demetrios's professional profile.

Colleagues at New System Ventures

Alfred Johnson
CEO Partner at Ardent Venture
Aly Hudson
Technical Associate at New System Ventures
Charlotte Matthews
Built Environment Advisor at New System Ventures
Daniel Nilsson Sjolander
Principal at New System Ventures
Dr. Matt Lucas
Technical Advisor at New System Ventures
Ian Samuels
Founder & Managing Partner at New System Ventures
Mathilde Beniflah
Director of Partnerships & Operations at New System Ventures

Frequently asked questions

Who is Demetrios Kellari?
Technical Advisor at New System Ventures
Where does Demetrios Kellari work?
Demetrios Kellari is Technical Advisor at New System Ventures.
Where did Demetrios Kellari go to school?
Demetrios Kellari studied at Massachusetts Institute of Technology (Master of Science (M.S.), Systems Engineering); Imperial College London (Master of Engineering (MEng), Aerospace); edX (Certificate, Biology).

Founder mafias

Massachusetts Institute of Technology mafia1,220

Also came through, then founded or led a company.

Elad GilPhDFounded Brain Co. +1Hemant TanejaM.Eng.Founded Hippocratic AINat FriedmanBachelor of ScienceFounded XamarinBrad FeldS.B.Founded TechstarsMatt HuangB.S.Founded Paradigm +1Delian AsparouhovDropoutFounded Nightingale +1

+ 1,213 more

McKinsey & Company mafia736

Also came through, then founded or led a company.

Elad GilConsultantFounded Brain Co. +1Mike SpeiserAssociateFounded Pure StorageFabrice GrindaConsultantFounded FJ labsTony XuBusiness AnalystFounded DoorDashAlexandre ProtAssociateFounded Smartven +1Jagmeet LambaSenior Strategy ConsultantFounded Certa +3

+ 729 more

Imperial College London mafia377

Also came through, then founded or led a company.

Nessan BerminghamDoctor of Philosophy - PhDFounded Korro Bio +2David SchilanskyMScFounded One Biosciences +2David MyttonMaster of Science - MSFounded Server Density +1Slava SolonitsynMBAFounded No Cap +1Barnaby MaletTeaching AssistantFounded machine0 +1Advait RuiaBachelor of Engineering (BEng)Founded SuperTokens +1

+ 370 more

Airbus mafia50

Also came through, then founded or led a company.

Benoit LemaignanOperation and Environnment managerFounded Waga Energy +2Alexander HarmsenElectrical & Software EngineerFounded PortfolioPilot +1Dr. Moritz MaierQuality Control SpecialistFounded Synera +1Arne GeschkeProgrammer (Data Analysis and FEM Calculations)Founded Fair Supply +1David MorczinekSales Contract Manager - A400MFounded Airworks Solutions +1Saulo TristaoInternshipFounded Facio

+ 43 more

MITx Courses mafia8

Also came through, then founded or led a company.

Zlatko JončevXSeriesFounded b12 LabsLuca BolondiMITx: 15.480x The Science and Business of BiotechnologyFounded Crane BiosciencesNidhi GuptaMicro Masters Program: Supply Chain FundamentalsFounded PortcastCeyhun DerinbogazMachine Learning for Big Data and Text ProcessingFounded TextcortexMartín SerranoMicroMastersFounded 1Mentor WebsiteEric HerreroMicromaster degreeFounded Xinix

+ 1 more

Same school

Also attended Massachusetts Institute of Technology2,000

Fred WilsonCo-founder & Partner at Union Square VenturesElad GilSolo general partner investing through Gil CapitalAileen LeeFounder & Managing Partner of Cowboy VenturesHemant TanejaCEO & Managing Director of General CatalystPhilippe LaffontFounder & CIO of Coatue ManagementNat FriedmanCo-lead of Meta Superintelligence Labs; co-founder of NFDG

+ 1,994 more

Also attended Imperial College London718

Deji SasegbonVP, Platform & Portfolio Operations at EchoVC PartnersMadison LenormandInvestor at DaphniLoubaba El AyoubiInvestor at NorthzoneGiovanni MariggiInvestor at MedicxiFrancois PrinslooInvestor at MedicxiBen PerryInvestor at Medicxi

+ 712 more

Also attended edX12

Ketav MehtaInvestor at Motus Ventures, LlcSimon PorterPrincipal at Blackfinch VenturesYip Hon MunChair at Tiger 21 at Orbit StartupsJosh Hoffman-SennGeneral Partner at The MBA FundRob GaskellPartner & Founder at AppoldYvonne OgunoikiInvestor at Rising Tide Africa (RTA)

+ 6 more

Also attended MITx Courses11

Felipe SantamariaManaging Director, LATAM at RockstartJoy JingMarketing & Social Media at Lair East LabsYogesh KissoondaryGroup Head of Corporate Finance at CIEL Group / CIEL FinanceOliver SanchezInvestor at ScaleUp LatAmZlatko JončevFounder at b12 LabsLuca BolondiCEO at Crane Biosciences

+ 5 more

Shared employers

Also worked at Neion Bio2

Conrad ShangVenture Partner at Ensemble VCGopinath SundaramurthyInvestor at Ensemble VC

Also worked at Sidewalk Infrastructure Partners (SIP)8

Jeremiah GordonGeneral Counsel / Chief Compliance Officer at CapitalGEmily RohrbachInvestor at Riverwood CapitalOlivia SteedmanExecutive Managing Director at Teachers' Venture GrowthLinxi ChangDirector at Teachers' Venture GrowthIan SamuelsFounder & Managing Partner at New System VenturesMichael DeLuciaPartner at Montauk Climate

+ 2 more

Also worked at X, the moonshot factory78

Jonathan RossFounder of Groq; inventor of Google's TPU — now at NvidiaJames WangGeneral Partner at Creative VenturesAlice CheungPartner, Talent at S32Anisha MustiInvestor at Dorm RoomSteven WillingerGP at Blockchain BuildersMike McCauleyCo-founder & General Partner at Inovia Capital

+ 72 more

Also worked at McKinsey & Company2,000

Elad GilSolo general partner investing through Gil CapitalAnn Miura-KoCo-founding Partner at FloodgateJeremy LiewPartner at Lightspeed Venture PartnersMike SpeiserManaging Director at Sutter Hill VenturesJeremy LevinePartner at Bessemer Venture PartnersFabrice GrindaCo-founder & Managing Partner at FJ Labs

+ 1,994 more