# Top 35 Renewable Energy Angel Investors in Germany in May 2026

## Andy Booke
- Type: Angel
- Location: Aachen, Nordrhein-Westfalen, Germany
- Relevant deals: 3
- Stages: Seed, Angel
- Focus: Renewable Energy, Battery, Semiconductor

Andreas Booke - Managing Director and Founder @ gridX

## Gabor Cselle
- Type: Angel
- Location: San Francisco, California, United States
- Relevant deals: 3
- Stages: Seed, Angel, Pre-Seed
- Focus: Mobile Apps, Renewable Energy, Internet

Gabor Cselle is a Partner at Area 120, Google's internal startup incubator.
Previously, he was the Co-Founder and CEO of mobile advertising startup Namo Media which was [acquired by Twitter in 2014.

## David Balensiefen
- Type: Angel
- Location: Munich, Bayern, Germany
- Relevant deals: 3
- Stages: Seed, Angel
- Focus: Renewable Energy, Battery, Semiconductor

David Balensiefen - CEO and Founder @ gridX

## Philipp Kloeckner
- Type: Angel
- Location: Berlin, Berlin, Germany
- Relevant deals: 2
- Stages: Seed, Angel
- Focus: Financial Services, Banking, FinTech

Philipp has been product manager and inhouse SEO at the market leading price comparison in Germany (Idealo.de) for 6 years. He specializes in the fields of accessability, crawlability and onpage optimization of websites with 1M+ subpages.Since 2011 Philipp Klöckner focuses on search consultancy and angel investing to share his experience insearch marketing, product and business intelligence with publishing houses, e-commerce companies and start-ups as an independent consultant and angel investor.

## Lukasz Gadowski
- Type: Angel
- Location: Berlin, Berlin, Germany
- Relevant deals: 2
- Stages: Series A, Seed, Angel
- Focus: Internet, E-Commerce, Software

Lukasz Gadowski is the Founder and CEO of Team Global. He previously worked at Circ as a Co-Founder. Lukasz Gadowski attended HHL Leipzig Graduate School of Management.

## Michael Suer
- Type: Angel
- Location: Hamburg, Hamburg, Germany
- Relevant deals: 1
- Stages: Pre-Seed
- Focus: Solar, Renewable Energy

Partner

## Jonathan Teklu
- Type: Angel
- Relevant deals: 1
- Stages: Series A
- Focus: Solar, Rental, Software

Jonathan Teklu is the Venture Partner at CREANDUM. Jonathan Teklu attended WHU – Otto Beisheim School of Management.

## Lucas von Fürstenberg
- Type: Angel
- Location: Schmallenberg, Nordrhein-Westfalen, Germany
- Relevant deals: 1
- Stages: Pre-Seed
- Focus: Organic, Sustainability, Renewable Energy

Lucas von Fürstenberg serves as head of the Freiherr von Fürstenberg'sche Forstverwaltung forest administration based in Sauerland.

## Alexander Rittweger
- Type: Angel
- Location: Munich, Bayern, Germany
- Relevant deals: 1
- Stages: Seed, Series A, Series B
- Focus: SaaS, Snack Food, Business Intelligence

Alexander Rittweger is a Board Member & Lead Investo at ALOHA. He attended University of Mannheim.

## Matthias Ernst
- Type: Angel
- Location: Berlin, Berlin, Germany
- Relevant deals: 1
- Stages: Pre-Seed
- Focus: CleanTech, Software, Clean Energy

Matthias Ernst is a Managing Partner at ARRtist. He previously worked at XLETIX and attended IESE Business School.

## Andre Schwammlein
- Type: Angel
- Location: Munich, Bayern, Germany
- Relevant deals: 1
- Stages: Seed, Series A, Pre-Seed
- Focus: Software, Rental, Construction

Andre Schwammlein is the CEO of FlixBus DACH. Andre Schwammlein attended FAU Erlangen-Nuremberg.

## Friedrich A. Neuman
- Type: Angel
- Location: Berlin, Berlin, Germany
- Relevant deals: 1
- Stages: Seed, Pre-Seed, Angel
- Focus: Mobile Apps, Battery, Organic

Friedrich A. Neuman studied Business & Economics in St. Gallen, Switzerland. After his studies he moved to Berlin to start his first company. Later he led business development at Glispa. In 2012, Friedrich joined Rocket Internet and co-founded Dropgifts, a social gifting platform active in 25 countries with 120 people. Together with MariusSchulze, Friedrich is the founder and CEO of Run a Shop and founding partner of MAKERS. At MAKERS, Friedrich is responsible for Finance and Operations.

## Peter Mertens
- Type: Angel
- Relevant deals: 1
- Stages: Seed, Pre-Seed, Angel
- Focus: Software, Automotive, Information Technology

Peter Mertens

## Kai Klapdor
- Type: Angel
- Location: Freiburg, Baden-Wurttemberg, Germany
- Relevant deals: 1
- Stages: Pre-Seed
- Focus: Software, CleanTech, Clean Energy

CEO

## Moritz Poewe
- Type: Angel
- Location: Berlin, Berlin, Germany
- Relevant deals: 1
- Stages: Seed, Angel, Pre-Seed
- Focus: Software, CMS, Content Creators

Moritz areas of responsibility involve strategic consulting to portfolio companies in particular when related to BI and IT structural topics as well as deal flow management. He is a constant sparring partner to CTOs of the portfolio companies providing guidance in IT processes. He supports companies in HR efforts by filling the pipeline andinterviewing candidates.Moritz is a former CTO of a nightlife and community platform in Germany.

## Maximilian Both
- Type: Angel
- Location: Hamburg, Hamburg, Germany
- Relevant deals: 1
- Stages: Pre-Seed
- Focus: Software, CleanTech, Clean Energy

Maximilian Both is the Founder and Managing Director at Rabot Charge. Maximilian Both attended Tu Vienna.

## Martin Herrmann
- Type: Angel
- Relevant deals: 1
- Stages: Seed
- Focus: Renewable Energy, Environmental Consulting

Martin Herrmann

## Manu Gupta
- Type: Angel
- Location: London, England, United Kingdom
- Relevant deals: 1
- Stages: Seed, Series A, Series B
- Focus: Financial Services, FinTech, Software

Manu is the founder of Blue Lion Global VC, and was previously a founding member and Partner of Lakestar VC (>$1.4bn). He splits time between San Francisco and London.

## Daniel Krauss
- Type: Angel
- Location: Berlin, Berlin, Germany
- Relevant deals: 1
- Stages: Seed, Series A, Pre-Seed
- Focus: Software, Rental, Payments

Daniel Krauss was born in 1983 in Neheim-Hüsten.He studied Economic Sciences at the FernUniversität Hagen. Daniel has generally worked in the IT area for Marquardt GmbH, IFS AB and Siemens AG. Before co-founding Flixbus in 2011, he was a Technical Account Manager at Microsoft for three years. Now Daniel is CIO of Flixbus, which was able toestablish Europe’s largest intercity bus network.

## Julian Teicke
- Type: Angel
- Location: Berlin, Berlin, Germany
- Relevant deals: 1
- Stages: Angel, Pre-Seed, Seed
- Focus: Software, Restaurants, Human Resources

Julian Teicke has 4 current jobs including Co-Founder & Non-Executive Chairman at handly, Co-Founder and CEO at wefox, and Founder at EMPAUA. Additionally, Julian Teicke has had 1 past job as the Co-Founder & COO at DeinDeal. He attended the University of St.Gallen.

## Alexandre Berriche
- Type: Angel
- Location: Paris, Ile-de-France, France
- Relevant deals: 1
- Stages: Seed, Pre-Seed, Series A
- Focus: Software, Internet, Artificial Intelligence

Alexandre Berriche is currently the CEO of Fleet, a startup which simplifies the access, management and a sustainable renewal of computers for start ups, scale ups and SMB, helping you focus on your growth.He is also an angel investor (companies include Kocomo, Claap, Finary, Convelio and more) and scout for Sequoia Capital.Before launchingFleet he was VP of Operations and Expansion at Ironhack and Managing Director of Jumia Tunisia, a Rocket Internet’s company.Alexandre is trilingual and holds degrees from IESEG, le Wagon and Victoria University.

## Per Liljenqvist
- Type: Angel
- Location: Flensburg, Schleswig-Holstein, Germany
- Relevant deals: 1
- Stages: Seed
- Focus: CleanTech, Sustainability, Renewable Energy

Per Liljenqvist

## Johannes Sass
- Type: Angel
- Location: Hamburg, Hamburg, Germany
- Relevant deals: 1
- Stages: Pre-Seed
- Focus: Organic, Software, Sustainability

Johannes Sass - Shareholder @ Bluenini

## Julius Göllner
- Type: Angel
- Location: Berlin, Berlin, Germany
- Relevant deals: 1
- Stages: Seed, Pre-Seed, Angel
- Focus: Software, SaaS, Artificial Intelligence

Julius Göllner is the Co-Founder of ARRtist, SinnRec, GSL - Global Sales Leaders, F&P Stock Solution GmbH, MOODJA, and SIP Distribution. He is also the Founder and Managing Director of eNugget Ventures and the Advisor and Investor for different companies.Julius attended Technische Universität Chemnitz, Yale School of Management, and TampereUniversity.

## Lothar Stein
- Type: Angel
- Location: Munich, Bayern, Germany
- Relevant deals: 1
- Stages: Seed, Series A, Private Equity
- Focus: Information Technology, Energy, Railroad

Lothar Stein - Mentor @ SINN Power

## Tim Bode
- Type: Angel
- Relevant deals: 1
- Stages: Seed
- Focus: CleanTech, Marketplace, Clean Energy

Tim Bode

## Christoph Ostermann
- Type: Angel
- Location: Kempten, Rheinland-Pfalz, Germany
- Relevant deals: 1
- Stages: Series A, Seed, Series B
- Focus: Energy Storage, Renewable Energy, Energy

Christoph Ostermann is a Co-Founder at Sonnen.

## Jochen Berger
- Type: Angel
- Relevant deals: 1
- Stages: Seed, Pre-Seed
- Focus: SaaS, Banking, FinTech

Jochen Berger

## Arndt Neuhaus
- Type: Angel
- Relevant deals: 1
- Stages: Seed
- Focus: Solar, Renewable Energy

Arndt Neuhaus

## Ingo Hoff
- Type: Angel
- Relevant deals: 1
- Stages: Seed
- Focus: Renewable Energy

Ingo Hoff

## Robin Kroll
- Type: Angel
- Location: Bielefeld, Nordrhein-Westfalen, Germany
- Relevant deals: 1
- Stages: Pre-Seed
- Focus: Solar, Renewable Energy

Robin Kroll is the Co-Founder and CEO of IMOGENT GmbH. He previously worked at blackprint Booster GmbH as an Accelerator Program. Robin Kroll attended Paderborn University.

## Tobias Schuett
- Type: Angel
- Location: Hamburg, Hamburg, Germany
- Relevant deals: 1
- Stages: Pre-Seed
- Focus: Software, CleanTech, Clean Energy

Tobias Schuett is the CEO at DZ-4.

## Stefan Müller
- Type: Angel
- Relevant deals: 1
- Stages: Seed
- Focus: Renewable Energy, Environmental Consulting

Stefan Müller

## Kintxo Cortés
- Type: Angel
- Location: San Francisco, California, United States
- Relevant deals: 1
- Stages: Seed, Pre-Seed, Angel
- Focus: FinTech, Apps, Online Portals

Kintxo Cortés is the General Manager - Spain at Trade Republic.

## Ralf Christian
- Type: Angel
- Location: Nürnberg, Bayern, Germany
- Relevant deals: 1
- Stages: Angel
- Focus: Battery, Energy Storage, Renewable Energy

Ralf Christian has more than 28 years of experience in various roles at Siemens, an international leader in electronics. Prior to taking on his current role as CEO of the Energy Management Division, Ralf served as CEO in several other business units at Siemens, including Low and Medium Voltage Distribution, High Voltage Transmission and Smart PowerDistribution, and was previously general manager of several other departments. He received a Master of Science and Business Administration from the University of Karlsruhe, Germany.

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