About
Bjorn Brandtzaeg is the founder and CEO of Photoncycle AS, a company he started in 2020 to develop long-term energy storage technology and business concepts for the household sector. Photoncycle, which aims to enable energy-autonomous homes, has raised venture funding from Lifeline Ventures and three other firms and is in the technology development and pilot phase, having launched pre-booking in Denmark in 2025. Prior to Photoncycle, he founded three companies over the preceding decade that together raised more than 1 billion USD in external investment.
Founder and CEO at Photoncycle
Intro paths
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Experience
- PhotoncycleFounder and CEOcurrent2020 — presentOslo, Norway
- Clean Energy Group ASFounder and CEOcurrent2016 — presentOslo
- Clean Energy Invest ASFounder and CEO2010 — 2020Lysaker
- Clean Energy Group GeorgiaChief Executive Officer2016 — 2019Tbilisi
- Adjaristsqali Georgia LLCChief Executive Officer2011 — 2015Norway/Georgia
- ECONPrincipal Consultant2004 — 2010Oslo
- Coalition Provisional AuthorityTeam leader Trade and Industry Southern Iraq (British Sector)2003 — 2004Iraq
- Adam Smith InternationalSenior Consultant2002 — 2003London, United Kingdom
- Maxwell StampConsultant2000 — 2001London, United Kingdom
- World Bank GroupConsultant2000Washington DC
Skills & more
Energy4Renewable Energy2Business Strategy2EntrepreneurshipStart-upsAlternative EnergyStrategic Planning2Team Leadership1
From Bjorn's professional profile.
Frequently asked questions
- Who is Bjorn Brandtzaeg?
- Bjorn Brandtzaeg is the founder and CEO of Photoncycle AS, a company he started in 2020 to develop long-term energy storage technology and business concepts for the household sector. Photoncycle, which aims to enable energy-autonomous homes, has raised venture funding from Lifeline Ventures and three other firms and is in the technology development and pilot phase, having launched pre-booking in Denmark in 2025. Prior to Photoncycle, he founded three companies over the preceding decade that together raised more than 1 billion USD in external investment.
- Where does Bjorn Brandtzaeg work?
- Bjorn Brandtzaeg is Founder and CEO of Photoncycle.
- What companies did Bjorn Brandtzaeg found?
- Bjorn Brandtzaeg founded Photoncycle.
- Where did Bjorn Brandtzaeg go to school?
- Bjorn Brandtzaeg studied at Harvard Business School (Advanced Management Programme, Premium senior management program at HBS giving alumni status); Massachusetts Institute of Technology (Visiting Fellow, Renewable Energy/Innovation); Johns Hopkins School of Advanced International Studies (SAIS) (Master’s Degree, Transitional Economics/Eastern European Studies).
Founder mafias
Massachusetts Institute of Technology mafia771
Also came through, then founded or led a company.
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Harvard Business School mafia538
Also came through, then founded or led a company.
Mike Maples JrMBAFounded Pattern BreakersHristo BorisovOPM Class 64Founded PayhawkNoubar AfeyanVisiting LecturerFounded ProFound Therapeutics +12Wade MyersMBAFounded RealManage +6Ellen RubinMBAFounded ClearSky Data +2Spencer RascoffVisiting Executive ProfessorFounded HeyLibby +2
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Johns Hopkins School of Advanced International Studies (SAIS) mafia9
Also came through, then founded or led a company.
Anna RaptisMAFounded AmplificaBharat VasanStarted MA program (transferred to Columbia)Founded IntangibleSusli LieMAFounded ErudiFiDavid KleinGraduate Coursework: Policy to Drive Energy InnovationFounded ParadeJosiah TsuiMaster of ArtsFounded FinleyGalia BenartziFounded Bancor
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Norwegian School of Economics (NHH) mafia7
Also came through, then founded or led a company.
Same school
Also attended Harvard Business School2,000
Brad GerstnerFounder & CEO of Altimeter CapitalTim DraperFounder of Draper AssociatesMamoon HamidPartner at Kleiner PerkinsNeeraj AgrawalGeneral Partner at Battery VenturesVictoria TreygerGeneral Partner at Felicis VenturesDeep NisharInvestment Team at General Catalyst
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Also attended Massachusetts Institute of Technology1,556
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 CatalystNat FriedmanCo-lead of Meta Superintelligence Labs; co-founder of NFDGBrad FeldCo-founder of Foundry and Techstars
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Also attended Johns Hopkins School of Advanced International Studies (SAIS)56
Jessica (Bartos) ThomasPartner at Notion CapitalStephanie KomsaVice President – Institutional Client Relations, ATEL Capital Group at ATEL VenturesKayla RenzChief of Staff at First Row PartnersAshley N. PattonSr. Stewardship Analyst at Sands Capital VenturesJanna AyoubChief of Staff at C5 CapitalChristian SiegeleManaging Partner at Capnamic
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Also attended Norwegian School of Economics (NHH)106
Ane Tolnes HaugdalInvestor at InvestinorAnn-Tove KongsnesVice Chief Executive Officer / Investment Director at InvestinorEgilInvestor at InvestinorJohanInvestor at InvestinorJulie FormoInvestor at InvestinorLinaInvestor at Investinor
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Shared employers
Also worked at ECON1
Also worked at Adam Smith International1
Also worked at World Bank Group154
Ska Sijia DuPrincipal at Karma VenturesKavita GuptaSpecial Advisor at Buckhill CapitalSri PedduInvestor at Powerhouse VenturesSwati Shah GuptaStrategic Advisor, Circular Economy Solutions at Fireside Ventures Advisory LlpGunner HardyAssociate at BOLD LongevityAnna ShenMarketing at Raiven
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