# Top 5 CleanTech Angel Investors in Austria in June 2026

| Investor | Relevant Deals | Geography | Stage | Focus |
| --- | --- | --- | --- | --- |
| Christian Kaar | 3 | Austria, United Kingdom | Seed, Angel | Apps, Software, Information Technology |
| Alfred Luger | 2 | Austria, Germany, United Kingdom | Seed, Angel, Pre-Seed | Software, Apps, E-Learning |
| Susanne Porsche | 1 | Austria | Seed | Apps, CleanTech, GreenTech |
| Heinz Hahn | 1 | Austria | Seed | Apps, CleanTech, GreenTech |
| Roman Scharf | 1 | United States, Austria | Series A, Series B, Pre-Seed | Energy, FinTech, Medical |