Andre Ronsoehr

Partner at Seraphim Space

📍 United Kingdom🔄 Updated September 2026💼 13 investments📅 14 years investing🗓 Last invested Jul 2025
VC🌍 United Kingdom
13
Total investments
6
Early stage
1
Mid stage
4
Late stage
14y
Years active

Portfolio

13 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Investor
Jul 2025
HexemBio is developing regenerative therapies based on the Synthetic Human Yolk Sac, a technology designed to rejuvenate aging blood stem cells by recreating the developmental environment where they first arise. By restoring the regenerative capacity of a patients own hematopoietic stem cells, HexemBio aims to improve outcomes in bone marrow transplantation and unlock new approaches to extending human healthspan. The company received FDA Orphan Drug Designation in July 2025 and completed its FDA Pre-IND meeting in January 2026. Founded in 2024, HexemBio operates from New York City and from Berkeley. To learn more, visit hexemb.io.
Board Observer
Apr 2025
AI reasoning engines (Automated Reasoning & Probabilistic Inference) and tools for reasoning within Aerospace & Cyber Security.
Investor
Oct 2024
General Galactic is a deep-tech startup generating fossil-free fuels and chemicals. We aim to create clean energy abundance on Earth, and ultimately to build fuel stations on Mars.
Board Observer
Jul 2024
ATMOS Space Cargo designs and manufactures space capsules to return any cargo – from below 100 kg to multiple tons – from space. Our technology will offer microgravity on demand, ranging from only 3 hours to 3 months in orbit. ATMOS will enter the market with a first demonstration mission in 2025.
Investor
Apr 2024
We are fundamentally changing the economics of the satellite communications industry by designing and manufacturing low incremental cost, rapidly deployed, high bandwidth, volume produced, small geostationary satellites.
Investor
Dec 2023
Skylo Technologies is a global Non-Terrestrial Network service provider based in Mountain View, CA, offering a service that allows smartphones and IoT cellular devices to connect directly over existing satellites. Devices connected over satellite are managed and served by Skylos commercial NTN vRAN, featuring a 3GPP standards-based cloud-native base station and core. Skylo works with existing satellite operators, network operators, and device makers to provide subscribers an anywhere, anytime connectivity solution between terrestrial and satellite networks. Skylos focus is on enabling connected services for people outdoors and connected workflows for machines at work across critical industries such as agriculture, maritime, logistics, mining, and others, in addition to mass-market consumer devices. We’re a global, fast-growing team, with offices in California, India and Finland. For more information, visit www.skylo.tech.
Board Observer
Aug 2022
Taranis is a leading precision agriculture intelligence platform that uses sophisticated computer vision, data science and deep learning algorithms to effectively monitor fields. Taranis offers a full-stack solution for high precision aerial surveillance imagery to prevent crop yield loss due to insects, crop Farmers lose 30-40% of their yield every season due to crop diseases, insects, and weeds. Our mission: Help growers maximize crop yield, improve productivity, and adopt sustainable practices in order to ensure prosperity, starting in our local communities and for the benefit of the world. Taranis crop intelligence solutions use deep agronomic expertise and the most advanced AI and submillimeter image technologies to do just that. We make an impact for over 100 agribusinesses, thousands of farmers, and in millions of acres around the world, and grow rapidly. Founded in 2015, Taranis raised over $100M from leading VC investors and is being led by a founding team with vast experience in both agriculture and technology.
late stageFarming
Investor
Jun 2022
Our mission is to help every organization put systems in place to manage their weather challenges and opportunities. Selected by TIME Magazine as one of the TOP 100 Most Influential Companies in the world, Tomorrow.io is the world’s leading Resilience Platform™. Supercharged by next-generation space technology, cutting-edge generative AI, and proprietary modeling capabilities, global leaders, including JetBlue, The United States Air Force, and Uber, rely on Tomorrow.io to predict, improve decision-making, and solve for any weather-related challenge. From innovative weather intelligence and actionable insights to early warning systems and climate adaptation, organizations can predict impact, mitigate risk, and ensure operational resilience with Tomorrow.io. We believe “weather security is the new cyber security.” Join the resilience revolution at www.tomorrow.io.
Investor
Jan 2022
Privateer integrates data sources from sea to space to sculpt information into answers, enabling problem-solvers across a variety of industries to understand the present, anticipate the future, and make informed decisions in the face of complex challenges.
Board Observer
Nov 2021
Founded in 2013, Astroscale is the global leader in on-orbit servicing, dedicated to the safe and sustainable development of space. The company delivers a variety of innovative and scalable on-orbit servicing solutions, including life extension, in-situ space situational awareness, end-of-life, and active debris removal. These solutions empower satellite operators to reduce risks, increase returns, and achieve mission success while fostering a sustainable space environment. Astroscale is also defining the economics of on-orbit servicing and collaborating with government and commercial stakeholders to develop norms, regulations, and incentives that promote the sustainable growth of space. Since its first successful launch in March 2021, Astroscale has proven rendezvous and proximity operations technologies in orbit during the ELSA-d and ADRAS-J missions, establishing the company as a leader in on-orbit servicing. Astroscale spacecraft have been selected for pioneering missions with JAXA, the U.S. Space Force, the European Space Agency, the UK Space Agency, and Eutelsat OneWeb. As more satellite operators adopt on-orbit servicing to routinely inspect, relocate, remove, and extend the life of spacecraft, the potential of a circular space economy — and a future of no waste in space — is being unlocked. Headquartered in Japan, Astroscale has a global presence with subsidiaries in the United Kingdom, the United States, France, and Israel.
Investor
2014
Space is the future for infinite connectivity on Earth. Eutelsat OneWeb is part of Eutelsat Group, the world’s first GEO-LEO satellite operator, delivering ubiquitous global connectivity 🛰 With a fleet of GEO satellites and a constellation of LEO satellites, we are a one-stop shop to offer the best of our networks to our customers.
Board Observer
2012
Virgin Galactic is an aerospace and space travel company, pioneering human spaceflight for private individuals and researchers with our advanced air and space vehicles. We are developing a spaceflight system designed to connect the world to the wonder and awe created by space travel and to offer customers a transformative experience.
Board Observer
2012
Virgin Orbit
Experience · 16 entries
All (16)
Investments (13)
Board (6)
2025
Investor
Jul 2025
HexemBio is developing regenerative therapies based on the Synthetic Human Yolk Sac, a technology designed to rejuvenate aging blood stem cells by recreating the developmental environment where they first arise. By restoring the regenerative capacity of a patients own hematopoietic stem cells, HexemBio aims to improve outcomes in bone marrow transplantation and unlock new approaches to extending human healthspan. The company received FDA Orphan Drug Designation in July 2025 and completed its FDA Pre-IND meeting in January 2026. Founded in 2024, HexemBio operates from New York City and from Berkeley. To learn more, visit hexemb.io.
Board Observer
Apr 2025
AI reasoning engines (Automated Reasoning & Probabilistic Inference) and tools for reasoning within Aerospace & Cyber Security.
2024
Investor
Oct 2024
General Galactic is a deep-tech startup generating fossil-free fuels and chemicals. We aim to create clean energy abundance on Earth, and ultimately to build fuel stations on Mars.
Board Observer
Jul 2024
ATMOS Space Cargo designs and manufactures space capsules to return any cargo – from below 100 kg to multiple tons – from space. Our technology will offer microgravity on demand, ranging from only 3 hours to 3 months in orbit. ATMOS will enter the market with a first demonstration mission in 2025.
Investor
Apr 2024
We are fundamentally changing the economics of the satellite communications industry by designing and manufacturing low incremental cost, rapidly deployed, high bandwidth, volume produced, small geostationary satellites.
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Investment activity
2012–2025 · 13 investments
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