Christoph Ostermann

Experience

1. green flexibilityCEO & Co-Foundercurrent2024 — present
2. Green Fortress GmbHCEO & Foundercurrent2010 — presentDeutschland
3. ESFORIN SEChairman Of The Supervisory Boardcurrent2022 — present
4. ESFORIN SEMember Of The Supervisory Board2021
5. 1KOMMA5°Member of the Advisory Board2023 — 2025Hamburg, Germany
6. 1KOMMA5°Vice Chairman of the Advisory Board2022 — 2023Hamburg, Germany
7. Numbat.EnergyChairman of the Advisory Board2022 — 2024Kempten, Bavaria, Germany
8. Austria WirtschaftsserviceBoard Member of the Austrian Seedfinancing Program2021 — 2022
9. Installion GmbHMember of the Advisory Board2021Cologne, North Rhine-Westphalia, Germany
10. envelioChairman of the Advisory Board2020 — 2021Cologne, North Rhine-Westphalia, Germany
11. Bundesministerium für Wirtschaft und EnergieMember of the SME Advisory Board2018 — 2021Berlin, Germany
12. sonnen GmbHManaging Director and Co-Founder of sonnen Group2020 — 2021Germany
13. sonnen GmbHCEO and Co-Founder of sonnen Group2010 — 2020Germany
14. Bundesverband Solarwirtschaft E.V.Member of the Executive Board2018 — 2020Berlin, Germany
15. CAPinsideChairman of the Advisory Board2020Hamburg, Germany
16. CAPinsideMember of the Advisory Board2019Hamburg, Germany

Education

1. University of BayreuthDipl. Kfm., Business Administration / BWL1992 — 1997

Skills & more

Languages Deutsch · Englisch · Französisch

From Christoph's professional profile.

Same school

Also attended University of Bayreuth14

PMPetra MeyerInvestor at Golden SeedsCJChristoph JungInvestor at HV CapitalCHClemens HabigImpact Consultant at GreenTec Capital PartnersBVBeatrix von SchröderVenture Partner at noaPKPaul KlemmGeneral Partner at Earlybird Venture CapitalBKBernd KlosterkemperPartner at Ananda Impact Ventures

+ 8 more

Shared employers

Also worked at green flexibility1

BABernd ArkenauManaging Partner at eCAPITAL ENTREPRENEURIAL PARTNERS

Also worked at ESFORIN SE1

AAAnton ArtsManaging Partner at SET Ventures

Also worked at Installion GmbH1

AKAshley KlapwijkInvestment Manager at Eneco Ventures

Also worked at envelio1

SRSteffen ReineckePartner at eCAPITAL ENTREPRENEURIAL PARTNERS