# Top 50 CleanTech Angel Investors in Europe in June 2026 ## Biz Stone - Type: Angel - Location: San Francisco, California, United States - Relevant deals: 4 - Stages: Seed, Series A, Pre-Seed - Focus: Software, Apps, Mobile Biz Stone is the Co-founder and CEO of Jelly Industries, Inc. He previously worked at The Obvious Corporation as a Co-founder and Chief Creative Officer. Biz Stone attended Northeastern University. ## Paul Forster - Type: Angel - Location: Cambridge, Massachusetts, United States - Relevant deals: 4 - Stages: Seed, Series A, Pre-Seed - Focus: Software, FinTech, Financial Services Paul Forster is an early-stage investor in the tech sector. He previously worked at Indeed as a Senior Advisor. Paul attended INSEAD, where he earned an MBA. ## Kristjan Raude - Type: Angel - Relevant deals: 3 - Stages: Seed, Pre-Seed, Equity Crowdfunding - Focus: Software, Automotive, Internet of Things I am a serial entrepreneur and angel investor with 15+ years of international experience in sales & marketing, leading teams of 300+ with annual revenue of 10M+. Founder of 3 international companies and investor to 10+ startups. Member of the board at Estonian Business Angels Network. ## Uday Kumar Bangalore Shivaraman - Type: Angel - Location: Bengaluru, Karnataka, India - Relevant deals: 3 - Stages: Seed, Series B, Equity Crowdfunding - Focus: FinTech, Financial Services, E-Commerce Angel / Sophisticated Investor and Trader (Ex London Stock Exchange(LSE), Deutsche Bank, London Clearing House(LCH) ) , Invested in 60+ Startups / 4 successful exits (with Avg 20x) and counting more. (Web3 -> udaybs.ETH )Invested in following asset classes from past 2 decades across UK / India / US / Europe / -Private Equity (Seed / Growth / VC/ Acquisition / Merger) - Equity Markets - Real Estate - FX - Commodity - Bonds - Fintech, Blockchain, Crypto Market, Web3 , DeFi, NFT - Derivative Markets / Hedging / F&O / CFDGrowing Wealth in bumpy economic rides - There is no secret formula. Investment is an art. Being vigilant, dynamic, connecting dots, evaluating risk with constant change, loads of patience and visualising medium to long term.Private Equity Investments across globe in following domains / categories: - Energy - EV / Carbon Footprint - Blockchain / FinTech / AI / ML / Web3 / DeFi - D2C / B2C - Food & Beverages - Pharma - Media & Entertainment ## Christian Kaar - Type: Angel - Location: Austria, Pangasinan, Philippines - Relevant deals: 3 - Stages: Seed, Angel - Focus: Apps, Software, Information Technology Christian Kaar is the VP of Finance and Business Analytics at Leaders21com. Christian Kaar attended University of Applied Sciences Upper Austria. ## Kai Hansen - Type: Angel - Location: Berlin, Berlin, Germany - Relevant deals: 3 - Stages: Seed, Series A, Pre-Seed - Focus: Software, E-Commerce, FinTech business angel // entrepreneur // founder lieferando.de // boardmember booksy.com ## Martin Olczyk - Type: Angel - Location: Torino, Piemonte, Italy - Relevant deals: 2 - Stages: Pre-Seed, Seed, Convertible Note - Focus: Software, Artificial Intelligence, Information Technology - MD at Techstars (Berlin/Amsterdam/Turin) - Co-founder, CFO/COO of Cunesoft (acquired by Phlexglobal) - Founder of GeeXstar, Asia's first tech-focused investment banking boutique - Founder of Clappifieds.de , a classifieds marketplace for Apple products - Mentor at TechGrind,Thailand’s first tech incubator, investing in promising startups across SEA – Founder of HonMed, a network for independent emergency doctors in Germany – Founder of a CoWorking space ## Ali Omar - Type: Angel - Location: Helsinki, Southern Finland, Finland - Relevant deals: 2 - Stages: Seed, Pre-Seed, Angel - Focus: Software, SaaS, Artificial Intelligence Ali Omar is a Member of the Finnish Business Angels Network. He attended Aalto University and the University of Oulu. ## Sam Branson - Type: Angel - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Pre-Seed, Series A, Seed - Focus: Energy, CleanTech, Recycling Sam Branson Co-founder at HiddenLight Productions. ## Brent Hoberman - Type: Angel - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Seed, Series A, Angel - Focus: Software, Artificial Intelligence, Information Technology Brent Hoberman is the Co-Founder and Executive Chair of Founders Forum. He previously worked at Royal Academy of Arts as a Corporate Advisory Board. Brent Hoberman attended the University of Oxford. ## Serge Chiaramonte - Type: Angel - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Seed, Pre-Seed - Focus: FinTech, Financial Services, Information Technology Serge Chiaramonte ## Anna Alex - Type: Angel - Location: Berlin, Berlin, Germany - Relevant deals: 2 - Stages: Pre-Seed, Seed - Focus: Software, CleanTech, Information Technology In 2012 Anna together with her co-founder Julia launched OUTFITTERY with the vision to create a shopping experience for men that is convenient, fun and inspiring. Today, OUTFITTERY serves individual outfits to over 600k men in eight countries and Anna is one of the most famous female entrepreneurs in Europe. In 2016, she was voted amongst Europe’s“Inspiring Fifty”, the 50 most inspirational women in tech. Prior to OUTFITTERY Anna lead the IT of the Swiss group buying platform DeinDeal in Zurich. She studied economic sociology in Freiburg and Paris. ## Alfred Luger - Type: Angel - Location: Austria, Pangasinan, Philippines - Relevant deals: 2 - Stages: Seed, Angel, Pre-Seed - Focus: Software, Apps, E-Learning Alfred Luger ## Markku Jääskelainen - Type: Angel - Location: Miami, Florida, United States - Relevant deals: 2 - Stages: Seed, Series A - Focus: Drones, Big Data, Software Markku Jääskelainen. ## David Rowan - Type: Angel - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Seed, Pre-Seed - Focus: Software, Machine Learning, Information Technology David Rowan is editor of the UK edition of WIRED magazine, which won 2009 Launch of the David Rowan is Editor of the WIRED UK, the technology and trends magazine covering online brands, gadgets and the culture that surrounds them. David has reported on technology for The Times and Channel 4 News, the latter requiring him to illustrate the newiPod Video from the set of a porn shoot. He's also written for The Sunday Times and Telegraph Magazines, and edited the Guardian's on-line content. David has curated an exhibition of British creative talent at the Government's Cabinet Forum conference. He has also addressed the TEDs, and frequently contributes on Newsnight and the Today programme. He also writes a monthly column for GQ. David is in touch with many of the world's leading trend-setters and spotters. In presentations he looks at how the net is disrupting almost every sector, how apps change consumer behaviour and why 'social commerce' is killing traditional marketing. He reveals the 10 trends that will change your market in the next decade - and what you should be doing now to protect yourself. ## Simon Rothman - Type: Angel - Location: San Francisco, California, United States - Relevant deals: 2 - Stages: Seed, Series A, Series B - Focus: Transportation, Automotive, Electric Vehicle Simon Rothman is a Partner at Greylock Partners and was a Founder and CEO at Glyde. He attended Harvard University. ## Garrett Camp - Type: Angel - Location: San Francisco, California, United States - Relevant deals: 2 - Stages: Seed, Series A - Focus: Software, Logistics, Apps Garrett Camp is the Founder of Expa and Founding Partner of Mix. He attended the University of Calgary ## Torge Thönnessen - Type: Angel - Location: Itzehoe, Schleswig-Holstein, Germany - Relevant deals: 2 - Stages: Seed, Series A - Focus: Battery, CleanTech, Manufacturing Torge Thönnessen is the Co-founder and CEO at Custom Cells. ## Philipp Kloeckner - Type: Angel - Location: Berlin, Berlin, Germany - Relevant deals: 2 - Stages: Seed, Angel, Pre-Seed - 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. ## Sir Ronald Cohen - Type: Angel - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Series A, Seed - Focus: Health Care, Financial Services, Apps Ronald Cohen is Chairman of the Global Social Impact Investment Steering Group and The Portland Trust. He is a co-founder director of Social Finance UK (2007-11), Social Finance USA, and Social Finance Israel, and of Big Society Capital. He was co-founder Chair of Bridges Ventures (2002-2012).He chaired the Social Impact Investment Taskforceestablished under the UK’s presidency of the G8 (2013-2015), the Social Investment Task Force (2000-2010) and the Commission on Unclaimed Assets (2005-2007). In 2012 he received the Rockefeller Innovation Award for innovation in social finance.He co-founded and was Executive Chairman of Apax Partners Worldwide LLP (1972-2005). He was a founder director and Chairman of the British Venture Capital Association and a founder director of the European Venture Capital Association.He is a graduate of Oxford University, where he was President of the Oxford Union. He is an Honorary Fellow of Exeter College, Oxford. He has an MBA from Harvard Business School to which he was awarded a Henry Fellowship.He is a member of the Board of Dean’s Advisors at Harvard Business School and Vice-Chairman of Ben Gurion University. He is a former director of the Harvard Management Company and the University of Oxford Investment Committee. He is a former member of the Harvard University Board of Overseers (2007-2013), former Trustee of the British Museum (2005-2012) and a former trustee of the International Institute for Strategic Studies (2005-2011).In 2007, Sir Ronald published: “The Second Bounce of the Ball – Turning Risk into Opportunity”. ## Leopold König - Type: Angel - Location: Hamburg, Arkansas, United States - Relevant deals: 2 - Stages: Seed, Series A - Focus: Battery, CleanTech, Manufacturing Leopold König is the Co-Founder and Managing Director at Customcells. He was a Research Fellow at Fraunhofer Institute for Silicon Technology. ## Karim Tabet Jalbout - Type: Angel - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Seed - Focus: Battery, CleanTech, Chemical Engineering Karim Jalbout, based in London, leads the Digital and eCommerce segments of Egon Zehnder’s Technology and Communications Practice in Europe. Karim also leads the firm’s Chief Marketing Officers Practice in the UK. He is a trusted advisor to private equity, family-owned businesses, and start-ups at the C-suite and board levels. Karim has servedclients across hospitality, travel, publishing, financial services, telecommunications, pure play, and retail. He has deep experience in emerging markets, particularly India.Prior to joining Egon Zehnder, Karim was Global Head of Propositions & Sales at Sony Ericsson Mobile, where he drove early investment in the Android platform. Previously, Karim gained more than a decade of FMCG experience with Diageo. He started his career working in Brand Management for Guinness in Canada, then moved to London as Brand Controller Guinness and Malta Guinness for the Africa region. Karim subsequently led Baileys in the UK market and was Marketing Director for Guinness in Europe, including Ukraine and Russia. Karim earned a Bachelor of Commerce from Queen’s University in Canada and completed the Executive Education program at Stanford Graduate School of Business. He has been a key speaker at the Digital Innovation Summit as well as for Endeavour (a global entrepreneur network) and LIFE (an international non-profit organization for Lebanese Executives in Finance). ## Peter Mertens - Type: Angel - Location: Kefar Sava, HaMerkaz, Israel - Relevant deals: 2 - Stages: Pre-Seed, Seed, Angel - Focus: Software, Automotive, CleanTech Peter Mertens ## Madis Müür - Type: Angel - Location: Tallinn, Harjumaa, Estonia - Relevant deals: 2 - Stages: Seed, Equity Crowdfunding, Pre-Seed - Focus: Apps, Cycling, Security Madis Müür ## Matthias Ernst - Type: Angel - Location: Berlin, Berlin, Germany - Relevant deals: 2 - 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. ## Maximilian Odendahl - Type: Angel - Location: Cologne, Nordrhein-Westfalen, Germany - Relevant deals: 2 - Stages: Seed, Series A - Focus: Battery, Software, CleanTech Maximilian Odendahl - CEO & Co-Founder @ Silexica ## Holly Branson - Type: Angel - Location: London, England, United Kingdom - Relevant deals: 2 - Stages: Seed, Pre-Seed, Series A - Focus: Energy, CleanTech, Logistics Holly Branson Chief Purpose and Vision Officer at Virgin. ## Alexandre Berriche - Type: Angel - Location: Paris, Ile-de-France, France - Relevant deals: 1 - Stages: Seed, Pre-Seed, Series A - Focus: Software, Artificial Intelligence, Internet 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. ## Ed Broussard - Type: Angel - Location: London, England, United Kingdom - Relevant deals: 1 - Stages: Seed - Focus: CleanTech, GreenTech, Energy Management Ed Broussard - Co-founder, Chief Executive Officer @ Mudano ## Stewart Seigel - Type: Angel - Relevant deals: 1 - Stages: Seed - Focus: CleanTech, GreenTech, Energy Management Stewart Seigel ## Ross Mason - Type: Angel - Location: Geneva, Geneve, Switzerland - Relevant deals: 1 - Stages: Seed, Series A, Pre-Seed - Focus: Software, Artificial Intelligence, Machine Learning Ross Mason is based out of Geneva, Geneve and is the Founding Partner of DIG Ventures . Ross previously worked at MuleSoft as a Founder. Ross Mason attended the University of the West of England. Ross Mason has been awarded as a Top 25 CTO. ## Stanislav Molchanov - Type: Angel - Relevant deals: 1 Stanislav Molchanov ## Josh Hart - Type: Angel - Location: London, England, United Kingdom - Relevant deals: 1 - Stages: Pre-Seed - Focus: FinTech, CleanTech, Real Estate Josh Hart is the Chief Product & Technology Officer and Co-Founder of YuLife. An experienced executive and entrepreneur, creating value in a digital world, helping big businesses adapt leveraging the power of web, mobile and data. Inspiring and enthusing teams to push the boundaries of what has been done before, creating award winning digitaland mobile strategy, managing through to execution both within the UK and Internationally. ## Suman Rewari - Type: Angel - Location: Berlin, Berlin, Germany - Relevant deals: 1 - Stages: Seed, Pre-Seed - Focus: Women's, Wellness, CleanTech Suman Rewari ## Ian Cheshire - Type: Angel - Relevant deals: 1 - Stages: Seed - Focus: Software, CleanTech, GreenTech Ian Cheshire ## Wojciech Burkot - Type: Angel - Relevant deals: 1 - Stages: Seed, Angel - Focus: Mobile, Hardware, Software Previously, Chief Technology Officer at Grupa Allegro responsible for Marketplace, focused on Mobile and Big Data. Before Allegro, he had started and run Google R&D Center in Krakow as a Site Lead and Engineering Director between 2006-2014. Prior to Google, he worked in a number of roles at Motorola. Earlier in his career, he was an AssistantProfessor of Computer Science at AGH in Kraków and a researcher at Institute of Nuclear Physics. ## Laert Karaashev - Type: Angel - Location: London, England, United Kingdom - Relevant deals: 1 - Stages: Seed, Pre-Seed - Focus: B2C, SaaS, Legal Laert Karaashev ## Vishal Rao - Type: Angel - Location: Boston, Massachusetts, United States - Relevant deals: 1 - Stages: Seed, Pre-Seed - Focus: Software, Artificial Intelligence, Information Technology Advisory CTO and Angel Investor ## Ralf Dummel - Type: Angel - Location: Hamburg, Hamburg, Germany - Relevant deals: 1 - Stages: Angel, Seed - Focus: Food and Beverage, Manufacturing, Product Design Ralf Dummel, born on 02.12.1966 in Bad Segeberg in Germany, started his career on 01.04.1988 at DS Produkte as a sales assistant to the then founder. Over the years he learned the business from the ground and took full responsibility for purchases and sales after only a year. He vastly participated in the establishment of the company and has been apartner since 1996. Today, the group has an annual turnover of ca. € 250 000 000, 400 employees, and more than 4 000 products in its portfolio. He often travels the world to visit suppliers and customers, and to find inspiration in new innovative products. Dümmel knows Asia inside out, but Northern Germany is the place he calls home. Since 2016 he takes part in the TV program “Die Höhle der Löwen” (literally: The Lions’ Cave, German version of Dragons’ Den on German TV channel VOX ) where he plays one of the “lions”, looking for young entrepreneurs with brilliant products.Ralf Dummel is very convincing with his genuine and appreciative style. From day one, Ralf Dümmel brightened up the surroundings, thanks to his enthusiasm for business and for new products. He has a unique sense for trends and products; he can market them with more success than hardly anyone else. He proudly claims that there hardly is any household without a “DS product” in Germany. Dümmel is often on the road for professional reasons, and when he sees that a customer adds a DS product in their shopping cart, he feels the same tingle of joy after 28 years that he felt in the early days. The 400 employees are Dümmels’s most important asset. They actively take part in the company, invest themselves in it, and help it develop further. Dummel is very proud that the DS products are the result of such a varied cast of people and skill sets. These are people with different personalities and talents that complement each other in a cooperation shaping always innovative business and product ideas. ## Jeff Twentyman - Type: Angel - Relevant deals: 1 - Stages: Seed - Focus: CleanTech, GreenTech, Energy Management Jeff Twentyman ## Rob Harris - Type: Angel - Relevant deals: 1 - Stages: Seed - Focus: CleanTech, GreenTech, Energy Management Rob Harris is a Sports Correspondent at Sky News. ## Greg Jackson - Type: Angel - Location: London, England, United Kingdom - Relevant deals: 1 - Stages: Seed - Focus: Software, CleanTech, GreenTech Greg Jackson is the Founder and CEO at Octopus Energy. ## Vladimir Bondarenko - Type: Angel - Location: London, England, United Kingdom - Relevant deals: 1 - Stages: Pre-Seed - Focus: Energy, Events, CleanTech Vladimir Bondarenko is an associate director at Intermediate Capital Group (ICG). He has completed his Bachelor of Arts (BA), Economics and Management from University of Oxford. ## Markus Völker - Type: Angel - Location: Kronberg, Hessen, Germany - Relevant deals: 1 - Stages: Pre-Seed - Focus: CleanTech Markus Völker ## Ragnar Sass - Type: Angel - Relevant deals: 1 - Stages: Seed, Pre-Seed - Focus: Information Technology, Software, SaaS Ragnar Sass is the Co-Founder of Darkstar Camp. He previously worked at LIFT99 as a Founder and CEO. Ragnar Sass attended Estonian Business School. ## Leon Lewis - Type: Angel - Relevant deals: 1 - Stages: Seed - Focus: CleanTech, Laundry and Dry-cleaning Leon Lewis ## Sophia Bendz - Type: Angel - Location: Stockholm, Stockholms Lan, Sweden - Relevant deals: 1 - Stages: Seed, Pre-Seed - Focus: Health Care, Software, Artificial Intelligence Sophia Bendz - Partner @ Cherry Ventures ## Oleg Tikhturov - Type: Angel - Location: London, England, United Kingdom - Relevant deals: 1 - Stages: Seed, Pre-Seed, Series A - Focus: Financial Services, E-Commerce, FinTech I am an active Angel Investor in pre-seed and seed startups, having invested in 80+ startups. I invest in ambitious founders building scalable products for large markets and support founders with advice, strategic network of investors. Currently Founding Partner at TrueSight Ventures, Venture Capital firm investing in European early-stage startups. ## José Manuel - Type: Angel - Relevant deals: 1 - Stages: Pre-Seed - Focus: CleanTech, Marine Technology José Manuel is an individual investor. ## Lutz Kettner - Type: Angel - Location: Berlin, Berlin, Germany - Relevant deals: 1 - Stages: Pre-Seed - Focus: CleanTech Lutz Kettner leads the design and engineering efforts for the material definition language and the Iray renderer from the NVIDIA advanced rendering center. He has been working on leading software products in advanced rendering, language design, API design, and geometry for 20 years. Lutz is known for his influential work on the open sourceComputational Geometry Algorithms Library. Previously, he worked as a researcher at the University of North Carolina at Chapel Hill, and led a research group at the Max-Planck-Institute in Germany. He has also served on the International Organization for Standardization and European Computer Manufacturers Association. He holds a Ph.D. in computer science from ETH Zurich in Switzerland. # About Shizune Shizune.co is an investor database. Core features: - 48,091 startup investors (angels, VCs, accelerators, and others) - Email, phone, LinkedIn (for intros), socials, and other contact data - Updated daily from public funding news - CSV and Excel export The User can access the full database FOR FREE after signing up: shizune.co