About
Building technology and housing industry veteran with 25+ years of experience, serving as CDO of the GC group, Europe's leading HVAC wholesaler, with a track record in company building and startup investing.
Experience
- OptimlMember of The Supervisory Boardcurrent2024 — present
- VESTIGASMember of the Advisory Boardcurrent2024 — present
- Realyze VenturesGeneral Partnercurrent2023 — presentCologne, North Rhine-Westphalia, Germany
- node.energyMember of the Advisory Boardcurrent2022 — present
- sminoMember of The Supervisory Boardcurrent2021 — present
- aedifionChairman of the Advisory Boardcurrent2019 — present
- BitStone CapitalManaging Partnercurrent2017 — presentCologne Bonn Region
- TecPier GmbH & Co. KGFounding Shareholdercurrent2018 — presentHamburg, Hamburg, Deutschland
- alcemyMember of the Advisory Board2022 — 2024
- International School of Management, GermanyExternal Lecturer2019 — 2020Cologne Bonn Region
- wtec GmbHManaging Director2018 — 2020Frankfurt Rhine-Main Metropolitan Area
- crossbuilders GmbHVenture Developer2016 — 2017Cologne Bonn Region
- ADC African Development CorporationDirector2009 — 2015Frankfurt, Germany
- DB Private Equity (fka. CAM Private Equity)Trainee Investment Management2007 — 2009Cologne, Germany
- Kreissparkasse EuskirchenBanker2002 — 2005Euskirchen, Germany
Education
- London Business SchoolProject & Infrastructure Finance Programme, Project Finance2015
- Frankfurt School of Finance & ManagementMaster of Finance (M.Sc.), Development Finance2009 — 2011
- Cologne University of Applied SciencesDiplom Kaufmann (FH) Banking & Finance, Corporate Finance2005 — 2009
Skills & more
InsurTech1PropTechConstructionTech1CraftTech1Venture Capital5Innovation1Company BuildingPrivate Equity16Corporate GovernanceBanking6Investments11Investor Relations5
+12 more
ValuationDue DiligenceFinanceCorporate FinanceCapital MarketsAsset ManagementInvestment BankingEquitiesFinancial ModelingEmerging MarketsFinancial AnalysisPortfolio ManagementLanguages Englisch · French · Spanisch
From Stefan's professional profile.
Same school
Also attended London Business School460
Patrick ClaessenPartner at Cottonwood Technology FundDominic JacquessonInvestor at Index VenturesSandra SchwarzerInvestor at Index VenturesMatt CherianVenture Partner at Monta Vista CapitalAkshat GoenkaInvestor at Moonfire VenturesGiuseppe IademarcoHead of Global Partnership at P101 Ventures
+ 454 more
Also attended Frankfurt School of Finance & Management51
Lucas SchaubelInvestor at DN CapitalVincent RoseInvestment Manager at Burda Principal InvestmentsBorja FernándezGeneral Partner at Inveready Technology Investment GroupKevin WenzelAssociate at Marlin Equity PartnersSyed ArmaniPrincipal at BlockwallSergej EppChief Security Officer Central Europe at Palo Alto Networks at PICUS CAPITAL
+ 45 more
Also attended Cologne University of Applied Sciences8
Finn StyrnalGrowth Specialist at FoodLabsChristian FasseSenior Investment Manager at Phoenix Contact Innovation VenturesMoritz MüllerSenior Investment Analyst at SMAPE CapitalManfred HeidManaging Partner at BitStone CapitalAndrei MartchoukDecentralized Technologies at Postera CapitalMarkus SchreyerDirector (Board) at Global Startups Accelerator (formerly LatAm Startups)
+ 2 more
Shared employers
Also worked at smino1
Also worked at alcemy1
Also worked at International School of Management, Germany1
Also worked at crossbuilders GmbH2
Colleagues at Realyze Ventures
Akin
Fund and Transaction Management Expert at Realyze Ventures
Akin Özdemir
Director Finance + Prokurist at Realyze Ventures
Alexander von Erdély
Venture Partner at Realyze Ventures
Ali-Reza Momeni
Advisory Board Member; Founder & CEO, MOMENI at Realyze Ventures
Christopher Lohmann
Advisor, Founder of The Mulberry Ventures at Realyze Ventures
Constantin Eis
CEO, CMBlu Energy at Realyze Ventures
Daniel Pölt
Investment Manager at Realyze Ventures
David
Investment Professional at Realyze Ventures












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