Fundraising Fox

Yiannis Eftychiou

Investor

Co-founder & Partner at 33East

London, England, United Kingdom

About

A former engineer who now invests in founders working on applied AI, the energy transition, and deep tech.

Experience

  1. 33EastCo-founder & Partnercurrent2025 — present
  2. British International InvestmentInvestment Manager, Technology2019 — 2024London, United Kingdom
  3. Bain & CompanyManager2019London, England, United Kingdom
  4. Bain & CompanyConsultant2016 — 2018London/ Los Angeles
  5. Bain & CompanySenior Associate Consultant2015 — 2016London, England, United Kingdom
  6. Bain & CompanyAssociate Consultant2014 — 2015London, England, United Kingdom
  7. CERNStagiaire2012Geneva
  8. Jaguar Land RoverEV Engineer2010 — 2011

Education

  1. INSEADMBA
  2. University of BathMEng (Hons), Mechanical Engineering2008 — 2013
  3. The English School, NicosiaCyprus

Skills & more

Management Consulting12Business Strategy25Data Analysis2Engineering6Mechanical Engineering19Matlab26

Languages English · Greek · Spanish

From Yiannis's professional profile.

Colleagues at 33East

Demetrios Zoppos
Co-founder & Partner at 33East
Dionysis Partsinevelos
Analyst at 33East
Peter Muir
Analyst at 33East
Tiffany Philippou
Advisor at 33East

Frequently asked questions

Where does Yiannis Eftychiou work?
Yiannis Eftychiou is Co-founder & Partner at 33East.

Same school

Also attended INSEAD773

Patrick ClaessenPartner at Cottonwood Technology FundChris BischoffInvestment Team at General CatalystJan HammerInvestor at Index VenturesSandra SchwarzerInvestor at Index VenturesStephane KurganInvestor at Index VenturesMahesha SubramaniamHead of Client Relations at Golden Gate Ventures

+ 767 more

Also attended University of Bath106

Catherine BergersenSenior Executive Assistant at Mayfair Equity PartnersJohanInvestor at InvestinorMaddie CoughlinInvestor at DN CapitalCarlos ContiManaging Partner at Inveready Technology Investment GroupBen PalmerInvestment Professional at OxxJuliette PetitChief of Staff at Keen Venture Partners

+ 100 more

Also attended The English School, Nicosia4

Elena PantaziPartner & Head of Platform at NorthzoneDemetrios ZopposCo-founder & Partner at 33EastVaso ParisinouInvestor at Kindred CapitalAndreas HadjimitsisCofounder at Genie Fertility

Shared employers

Also worked at British International Investment5

Tenbite ErmiasPartner at Factor[e] VenturesAshish JainCo-Founder and Partner at WaterBridge VenturesMarijn WiersmaAdvisor at SatganaOlivia ChristieInvestor at Sustainable VenturesJohn BradleySenior Vice President, Investments at Helicap

Also worked at Bain & Company717

Steve JurvetsonCo-founder of Future VenturesLaela SturdyManaging Partner at CapitalGTheresia GouwFounding Partner at Acrew CapitalJulie YangVice President at InvestcorpZach PoleyPartner and Chief Technology Officer at Clear VenturesIan MarshInvestor at DN Capital

+ 711 more

Also worked at CERN45

Elizabeth YinCo-Founder, General Partner at Hustle FundRuben PauwelsInvestor at AngelwiseFilip SirokyGeneral Partner at MitonCHarald NiederGeneral Partner at redalpineMike MillerPartner at Liquid VenturesMagnus HambletonInvestor at byFounders

+ 39 more

Also worked at Jaguar Land Rover13

Winston MathewAssistant Ventures Manager at Blackfinch VenturesMike SmeedManaging Director at InMotion VenturesRiz IsmailFinance Director at InMotion VenturesRafael AlésSenior Manager at Axon Partners GroupPreetish RamasawmyJunior Partner at AiiM PartnersSebastian PeckPartner at KOMPAS VC

+ 7 more