Harri Porten

Entrepreneur | Angel Investor | Independent

πŸ“ GermanyπŸ”„ Updated September 2026πŸ’Ό 5 investmentsπŸ“… 3 years investingπŸ—“ Last invested Apr 2026
Angel investor🌍 GermanyInvested this year
5
Total investments
3
Early stage
1
Mid stage
1
Late stage
3y
Years active

Portfolio

5 investments Β· sorted by recency
All investments
Early stage
Mid stage
Late stage
Advisor and Angel Investor
Apr 2026
WAIV FTIR builds the most compact FTIR spectrometers covering the Mid-IR through THz range. A single instrument covers 3–300 Β΅m (100 THz to 1 THz) without changing the beamsplitter β€” no swapping, no realignment, no separate setups for different spectral ranges. Plug-and-play.
Advisor and Angel Investor
May 2024
ACARiS focuses on developing AI-based computer vision solutions for health and security monitoring. The first product HORSE PROTECTOR is the world wide only health and security camera system for horse boxes warning our customers in case of colics, births, intruders, and other health issues.
Advisor and Angel Investor
Mar 2024
We are transforming mental health. Sympatient combines real therapists with technology to help solve the global mental health crisis. To do so we bring the best of the digital and analogue world together. Our digital therapeutics (DTx) like Invirto are always prescribed by medical professionals who can also answer individual questions and provide therapeutic guidance.
Advisor and Angel Investor
Dec 2023
✨ VOIDS automates precise demand forecasting at the product level to detect business risks (e.g. out-of-stocks) pro-actively and initiate single click counter actions in one simple application. πŸ“ˆ Clients confirm: Generate up to €1 million incremental contribution margin III with a net annual turnover baseline of €10 million. One of the largest levers for a brand to grow profitably. Learn more under: www.voids.ai or Join our fast growing team! πŸ‘‡
Advisor and Angel Investor
Dec 2023
Holy Technologies pioneers autonomous composite manufacturing to help manufacturers build radically better lightweight components. We are a European contract manufacturer specialized in ultralight load-bearing composite parts for automotive, aerospace, robotics and industrial manufacturing. Our proprietary Infinite Fiber Placement (IFP) technology enables cost-competitive production at mid-to-high volumes, delivering aramid and carbon fiber components that are fast to produce, scalable, and fully recyclable. IFP places continuous dry fibers along load-optimized trajectories calculated by proprietary software. This process delivers parts at minimum weight with enhanced mechanical performance. From prototypes to series production, we help teams move from CAD to finished parts in weeks instead of months, allowing our customers to innovate faster and stay ahead of competition.
early stageManufacturing
Experience Β· 6 entries
All (6)
Investments (5)
2026
Advisor and Angel Investor
Apr 2026
WAIV FTIR builds the most compact FTIR spectrometers covering the Mid-IR through THz range. A single instrument covers 3–300 Β΅m (100 THz to 1 THz) without changing the beamsplitter β€” no swapping, no realignment, no separate setups for different spectral ranges. Plug-and-play.
2024
Advisor and Angel Investor
May 2024
ACARiS focuses on developing AI-based computer vision solutions for health and security monitoring. The first product HORSE PROTECTOR is the world wide only health and security camera system for horse boxes warning our customers in case of colics, births, intruders, and other health issues.
Advisor and Angel Investor
Mar 2024
We are transforming mental health. Sympatient combines real therapists with technology to help solve the global mental health crisis. To do so we bring the best of the digital and analogue world together. Our digital therapeutics (DTx) like Invirto are always prescribed by medical professionals who can also answer individual questions and provide therapeutic guidance.
2023
Advisor and Angel Investor
Dec 2023
✨ VOIDS automates precise demand forecasting at the product level to detect business risks (e.g. out-of-stocks) pro-actively and initiate single click counter actions in one simple application. πŸ“ˆ Clients confirm: Generate up to €1 million incremental contribution margin III with a net annual turnover baseline of €10 million. One of the largest levers for a brand to grow profitably. Learn more under: www.voids.ai or Join our fast growing team! πŸ‘‡
Advisor and Angel Investor
Dec 2023
Holy Technologies pioneers autonomous composite manufacturing to help manufacturers build radically better lightweight components. We are a European contract manufacturer specialized in ultralight load-bearing composite parts for automotive, aerospace, robotics and industrial manufacturing. Our proprietary Infinite Fiber Placement (IFP) technology enables cost-competitive production at mid-to-high volumes, delivering aramid and carbon fiber components that are fast to produce, scalable, and fully recyclable. IFP places continuous dry fibers along load-optimized trajectories calculated by proprietary software. This process delivers parts at minimum weight with enhanced mechanical performance. From prototypes to series production, we help teams move from CAD to finished parts in weeks instead of months, allowing our customers to innovate faster and stay ahead of competition.
early stageManufacturing
Show all 6 entries ↓
Investment activity
2023–2026 Β· 5 investments
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