FN

Friedrich A. Neuman

Entrepreneur & Impact Investor

📍 Berlin Metropolitan Area, Germany🔄 Updated September 2026💼 30 investments📅 13 years investing🗓 Last invested Mar 2026
VC🌍 Germany20+ investmentsInvested this year
30
Total investments
22
Early stage
4
Mid stage
0
Late stage
13y
Years active

Portfolio

30 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Angel Investor
Mar 2026
ahron.ai is a Munich-based startup building the operating system for AI agents in HR. By combining process mining with a digital twin of the entire employee lifecycle, ahron.ai gives AI agents the intelligence layer they need to autonomously optimize recruiting, onboarding, and talent management - replacing fragmented tools and manual workflows with a single, continuously learning HR infrastructure.
Angel Investor
2024
At H.E.A.T., we’ve spent over a decade in the battery industry and noticed a clear gap: while huge effort goes into optimizing hardware, the role of the Energy Management System (EMS) is often overlooked. The result? Untapped performance and value left on the table. We build robust, vendor-agnostic EMS solutions for commercial, industrial, and utility-scale projects. Our systems maximize the value of your energy system — not just batteries, but also solar PV, EV chargers, heat pumps, and gensets. Whether you’re scaling a hybrid project or looking to unlock new revenue streams, H.E.A.T. ensures your assets work harder for you. 👉 Let’s talk about how we can optimize your energy system.
Angel Investor
2023
Climate Intelligence for Construction - We track and reduce the environmental impact of construction materials ("embodied carbon" in buildings). The Emidat EPD tool enables AI-powered generation and distribution of environmental product declarations (EPDs), making environmental impact fast and cheap for building material manufacturers. With Emidat, material manufacturers: - Reduce cost and time for generating EPDs by over 70% - One license - unlimited EPDs through our third party verified tool - Save time on data collection and text writing based on our AI The Emidat database consists of environmental data on over 150k construction products and can be accessed via API and UI.
Angel Investor
2023
Pionix is dedicated to advancing the EV charging industry through open source technology. Founded in 2021, the company is headquartered in the Karlsruhe Metropolitan Area, Germany, and employs a team of 40 experts. With its vision to create the backbone for every EV charger worldwide, Pionix is recognized for its expertise in EV charging communication protocols and its commitment to innovation. Based on EVerest, an open source software stack for EV charging stations, Pionix provides enterprise-grade products and services tailored to the needs of the EV charging infrastructure, enabling reliable and scalable solutions. The company is driven by a shared goal: using open source technology to foster a cleaner, more sustainable future by making EV charging accessible, robust, and efficient for all stakeholders - drivers, businesses, and the environment.
Angel Investor
2023
RIZM combines data from production, energy procurement and infrastructure to enable holistic optimization of energy systems, procurement, operation, and production decisions with the help of algorithms. RIZM supports your teams in realizing synergy effects and already in use by almost 10% of the DAX-40.
Angel Investor
2022
With Planted, we support companies holistically and individually in the implementation of their sustainability goals. To do this, we combine local climate protection with technological software solutions, enabling companies to actively manage emissions together with their employees: Starting with the calculation of CO₂ emissions, the identification of savings potential, and ending with the offsetting of unavoidable emissions. In addition, we plant mixed forests in Germany for companies with our own climate forester or enable the protection of local forests. Our mission is to make the economy sustainable and to preserve our earth for future generations and living beings. Learn more: https://en.planted.green/
Angel Investor & Advisory Board
2022
Concular is a holistic ecosystem for circular construction. The entire process is simplified and made more economical through intelligent data-based material matching between deconstruction and new construction projects, life cycle assessment, and a comprehensive process for architecture offices, project developers, construction companies and manufacturers. This is how we close material loop and make an important contribution to the circular economy. www.concular.com
early stageConstruction
Angel Investor
2022
ecoLocked creates functional, CO2-negative building material additives and helps the construction industry build with climate-friendly concrete and other materials. Our products permanently sequester and store CO2 in the built environment, thereby helping you compensate residual emissions from construction projects. Moreover, they reduce the need for fossil raw materials and deliver targeted functionalities such as thermal insulation, durability, or curing time reduction. All products are based on biogenic carbon extracted from local biomass residues. Our first product, eLM Zero for climate-neutral non-structural concrete is out now in Europe! Our vision: We want to catalyze carbon removal on a global scale and enable a cumulative CO2 impact of >1Gt by 2040.
Angel Investor
2022
Karla transforms your post-purchase experience into your love brand’s #1 retention channel by providing delivery transparency, proactive communication via whatsapp & email and the best possible branded customer journey. Key benefits include higher retention rates, increased upselling, enhanced activation and brand awareness, and lower customer support costs by avoiding “where is my order” (WISMO) inquiries. Furthermore, Karla Care protects your customer happiness in case of delivery issues by providing 100% reimbursements for parcel theft, loss or delays and best possible claims resolution experience. Get the lastest Karla updates and industry insights here: https://52b71j64xq2.typeform.com/to/eEGofAmB
Angel Investor
2021
one.five is a biomaterials research, development and scale-up company, providing circular, cleaner and tailor-made packaging solutions in record time and with measurable impact to the consumer packaged goods industry.
early stageBiotechnology
Angel Investor
2021
Ostrom is a Certified B Corp™ digital energy management platform based in Berlin that makes green electricity affordable and straightforward for households in Germany. Unlike other traditional providers with lengthy contracts, Ostrom offers monthly tariffs, end-to-end English and German support, and electricity at market purchase price, which comes from 100 percent renewable energy sources. Consumers can view their energy consumption and control their tariff in real time using the Ostrom app. In 2023, Ostrom rolled out dynamic pricing and electric vehicle charging integration and its roadmap includes incorporating smart meters and more. All this will support Ostrom in becoming the leading B2C energy platform in Europe by 2030. Ostrom is an equal opportunity company that means it. We have a remote-focused culture built on trust by default.
early stageUtilities
Angel Investor
2021
Plants draw down CO2 from the atmosphere via photosynthesis and solar power at unbeatable efficiency. We take waste biomass and transform it using our patented reactors, permanently storing the carbon in an inert, solid form called biochar. Our unique process produces high-quality biochar for agricultural and construction applications, generates renewable energy, and creates some of the most tangible carbon credits on the market.
Angel Investor
2021
We provide the worlds first highly detailed, geo-referenced seafloor maps. Our fully-automated software pipelines extract data products including health, biodiversity, carbon stock and many more, from a single dataset – fast and at scale. We combine the power of AI, advanced imaging and geo-referencing to drive your nature-positive operations across multiple use cases.
Angel Investor
2021
Cling is dedicated to lead the creation of global battery circularity, contributing to a thriving society and nature on our finite planet. Our business focuses on guiding batteries towards reuse, repurposing, and recycling. To streamline processes and unlock exponential scale, these services are seamlessly integrated into our Circular Asset Management System. Any sales enquiries? write to sales@clingsystems.com Since our inception, weve grown to a stellar team of passionate individuals, secured venture capital from global top investors, and helped batteries around the world to reach circularity. As we commit to becoming the global market leader for battery circularity, the biggest changes lie ahead. Join us! Access supply or demand: https://platform.clingsystems.com/ Subscribe to our quarterly newsletter via this link: https://www.linkedin.com/newsletters/quarterly-cling-7036622835762536449/ Find open positions here: https://www.clingsystems.com/career
Board Observer
Jan 2020
Meet BUNCH, the AI leadership coach on a mission to help anyone become a great leader. BUNCH enables you to overcome everyday leadership challenges with personalized 2-minute leadership tips - all in the format of a sleek, intuitive app.
Show all 30 investments ↓
Experience · 46 entries
All (46)
Investments (30)
Founder (12)
Board (1)
2026
Angel Investor
Mar 2026
ahron.ai is a Munich-based startup building the operating system for AI agents in HR. By combining process mining with a digital twin of the entire employee lifecycle, ahron.ai gives AI agents the intelligence layer they need to autonomously optimize recruiting, onboarding, and talent management - replacing fragmented tools and manual workflows with a single, continuously learning HR infrastructure.
2024
Venture Partner
Nov 2024
Green Generation Fund is investing in the boldest Food Tech and Green Tech start-ups at seed stages to build a resilient society within planetary boundaries.
Angel Investor
2024
At H.E.A.T., we’ve spent over a decade in the battery industry and noticed a clear gap: while huge effort goes into optimizing hardware, the role of the Energy Management System (EMS) is often overlooked. The result? Untapped performance and value left on the table. We build robust, vendor-agnostic EMS solutions for commercial, industrial, and utility-scale projects. Our systems maximize the value of your energy system — not just batteries, but also solar PV, EV chargers, heat pumps, and gensets. Whether you’re scaling a hybrid project or looking to unlock new revenue streams, H.E.A.T. ensures your assets work harder for you. 👉 Let’s talk about how we can optimize your energy system.
2023
Angel Investor
2023
Climate Intelligence for Construction - We track and reduce the environmental impact of construction materials ("embodied carbon" in buildings). The Emidat EPD tool enables AI-powered generation and distribution of environmental product declarations (EPDs), making environmental impact fast and cheap for building material manufacturers. With Emidat, material manufacturers: - Reduce cost and time for generating EPDs by over 70% - One license - unlimited EPDs through our third party verified tool - Save time on data collection and text writing based on our AI The Emidat database consists of environmental data on over 150k construction products and can be accessed via API and UI.
Angel Investor
2023
Pionix is dedicated to advancing the EV charging industry through open source technology. Founded in 2021, the company is headquartered in the Karlsruhe Metropolitan Area, Germany, and employs a team of 40 experts. With its vision to create the backbone for every EV charger worldwide, Pionix is recognized for its expertise in EV charging communication protocols and its commitment to innovation. Based on EVerest, an open source software stack for EV charging stations, Pionix provides enterprise-grade products and services tailored to the needs of the EV charging infrastructure, enabling reliable and scalable solutions. The company is driven by a shared goal: using open source technology to foster a cleaner, more sustainable future by making EV charging accessible, robust, and efficient for all stakeholders - drivers, businesses, and the environment.
Show all 46 entries ↓
Investment activity
2013–2026 · 30 investments
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