
Space Business Podcast
Space is rapidly growing into an exciting ecosystem for business. In this podcast we hear from entrepreneurs, executives, investors and others about the many opportunities that exist. This podcast is produced by the Space Business Institute in partnership with the International Space University.
Latest episodes

May 12, 2025 • 47min
#144 | Downmass Logistics | Sebastian Klaus, ATMOS Space Cargo
My guest this week is Sebastian Klaus, Co-Founder & CEO of Atmos Space Cargo, who discusses his company’s mission to unlock downmass logistics with an innovative and reusable space capsule, paving the way for in-space manufacturing, defense applications, and other applications.
🕰️ Timestamps:
00:00 - Introduction
00:59 - Elevator Pitch
02:07 - Importance of Returning Cargo from Space
04:24 - Challenges and Technologies in Space Re-entry
06:16 - Innovations in Heat Shield Technology
11:16 - Economic Impact and Reusability
13:12 - Mission Operations and Logistics
20:15 - Regulatory Considerations
22:33 - ATMOS Phoenix Capsule
23:36 - Impact of Starship on Space Logistics
25:13 - Space Stations and Free Flyers
27:22 - Market Segments in Space Logistics
30:35 - Defense Applications and Future Prospects
37:16 - Recent Test Flight and Future Plans
42:07 - Science-Fiction
📍 About the Guest:
Sebastian Klaus holds a Master of Science in Aerospace Engineering with a focus on atmospheric re-entry and reusable rocket engines. He has more than a decade of leadership experience as a military officer, supplemented by business knowledge from an MBA program at ESB Business School Reutlingen. Sebastian has developed and submitted several patented technologies for entry and descent. With a commercial pilot license and unique knowledge about parachute systems, as well as passion for nature and spaceflight, he is determined to overcome existing and future challenges in life sciences research in space in order to benefit all of humanity.
🔗 https://atmos-space-cargo.com/
🔗 Follow us:
🤝🏻LinkedIn : https://www.linkedin.com/company/space-business-podcast/
🌐Socials: https://linktr.ee/spacebusinesspodcast
🔗 Follow Raphael:
🔷LinkedIn - https://www.linkedin.com/in/raphaelroettgen
🌐Instagram - https://instagram.com/raphael_space/
◇ Twitter/X - https://x.com/RaphaelE2MC
🏠Website : https://www.e2mc.space/
To Learn more about Space & the Space Economy:
"To Infinity" – Raphael’s Revised Introduction to the Space Economy
This book provides an insightful look into the space economy, its current trends, and future opportunities.
📚 https://a.co/d/6jIQ2LO
edX/EPFL's Space Economy MOOC
This course offers a detailed understanding of the New Space Economy, covering key concepts and market developments.
🎓 https://www.edx.org/course/new-space-
Space Business Newsletter
📬 https://spacebusiness.substack.com/

Apr 21, 2025 • 59min
#143 | Mining the Moon | Glen Martin, XMC
My guest this week is Glen Martin, Co-Founder & CEO of Extraterrestrial Mining Company (XMC), discusses his company’s bold mission to mine Helium-3 on the Moon and its potential to revolutionize energy and tech on Earth.
🕰️ Timestamps:
00:00 - Introduction
01:36 - Elevator Pitch
03:42 - Understanding Helium-3 and Its Applications
11:59 - Tech Aspects of Lunar Mining
20:39 - Future Prospects and Initial Missions
23:31 - Energy Solutions for Lunar Operations
29:23 - Helium-3 Concentrations and Mining Challenges
32:09 - Lunar Data and Exploration Techniques
35:32 - Geopolitical Implications
40:33 - Transportation and Return Logistics
48:08 - Project Financing for Space Mining
51:28 - Personal Background and Career Path
56:14 Science Fiction
📍 About the Guest:
Glen Martin, CEO of XMC, has over 30 years of experience in renewable energy and space infrastructure. Before founding XMC in 2023, he led companies like Hyox Inc., Infrastructure Energy, and Pod Generating Group, and co-founded ProtoStar Limited. He’s worked on projects spanning green hydrogen, solar PV, intelligent grids, and satellite systems. Early in his career, he contributed to the International Space Station at McDonnell Douglas. Glen holds a BTech in Aerospace Engineering from TMU and an MBA from USC.
🔗 Connect with Glen:
🤝 LinkedIn: https://www.linkedin.com/in/glen-martin-space-heavy-industrialist/
🔗 Follow us:
🏠Website : https://www.e2mc.space/
🤝🏻LinkedIn : https://www.linkedin.com/company/space-business-podcast/
🌐Socials: https://linktr.ee/spacebusinesspodcast
🔗 Follow Raphael:
🔷LinkedIn - https://www.linkedin.com/in/raphaelroettgen
🌐Instagram - https://instagram.com/raphael_space/
◇ Twitter/X - https://x.com/RaphaelE2MC
To Learn more about Space & the Space Economy:
"To Infinity" – Raphael’s Revised Introduction to the Space Economy
This book provides an insightful look into the space economy, its current trends, and future opportunities.
📚 https://a.co/d/6jIQ2LO
edX/EPFL's Space Economy MOOC
This course offers a detailed understanding of the New Space Economy, covering key concepts and market developments.
🎓 https://www.edx.org/course/new-space-
Space Business Newsletter
📬 https://spacebusiness.substack.com/

Apr 14, 2025 • 32min
#142 | Commercial In-Space R&D and Manufacturing | Raphael Roettgen, E2MC Ventures
This episode kicks off a new series on in-space R&D and manufacturing, exploring its potential (e.g. for sectors like pharma and semiconductors), its current status, and its challenges, among other topics.
At the end of this episode, Raphael highlights the recent launch of the Orbital Edge accelerator to support startups in this emerging sector.
Orbital Edge Accelerator: https://orbitaledge.techconnect.org/
🕰️ Timestamps:
00:00 - Introduction
02:23 - Why research and manufacture in Space?
10:28 - How to research and manufacture in Space, in practice?
22:35 - How can be build a thriving in-space R&D and manufacturing sector?
28:45 - Conclusion
🔗 Follow us:
🤝🏻LinkedIn : https://www.linkedin.com/company/space-business-podcast/
🌐Socials: https://linktr.ee/spacebusinesspodcast
🔗 Follow Raphael:
🔷LinkedIn - https://www.linkedin.com/in/raphaelroettgen
🌐Instagram - https://instagram.com/raphael_space/
◇ Twitter/X - https://x.com/RaphaelE2MC
To Learn more about Space & the Space Economy:
"To Infinity" – Raphael’s Revised Introduction to the Space Economy
This book provides an insightful look into the space economy, its current trends, and future opportunities.
📚 https://a.co/d/6jIQ2LO
edX/EPFL's Space Economy MOOC
This course offers a detailed understanding of the New Space Economy, covering key concepts and market developments.
🎓https://www.edx.org/course/new-space-economy
Space Business Newsletter
📬 https://spacebusiness.substack.com/

Mar 17, 2025 • 48min
#141 | In-Orbit Servicing | Adel Haddoud, Infinite Orbits
My guest this week is Adel Haddoud, Founder & CEO of Infinite Orbits, a French in-orbit servicing company. We discuss their technology, business model, and vision, as well as the broader market for satellite servicing and space sustainability. Enjoy!
🕰️ Timestamps:
00:00 - Introduction
01:04 - Elevator Pitch
03:30 - Origin Story
04:51 - Technological Innovations
07:35 - Core of the Company
09:15 - Computing Hardware in Space
12:47 - Market Segments and Competition
18:38 - Life Extension in Space
23:49 - Unit Economics
26:13 - Life Extension and Docking
30:22 - OrbitGuard and Defense
31:06 - European vs. U.S. Space Market Dynamics
33:10 - Technological Advances and Future Prospects
42:06 - The Future of Space Servicing
45:00 - Interesting Developments in the Industry
45:55 - Sci-Fi Favorites
📍 About the Guest:
Adel Haddoud is the Founder & CEO of Infinite Orbits, a Toulouse-based space company pioneering in-orbit services like satellite inspection and life extension. In 2024, the company raised €12 million from private and public investors, following the successful 2023 test of its OrbitGuard1 nanosatellite—the world’s first geostationary nanosatellite. Founded in 2017, Infinite Orbits has developed an innovative space rendezvous solution using in-orbit image recognition. Adel previously had a career as an entrepreneur and manager, including a stint in Silicon Valley.
🔗 Connect with Adel:
🤝 LinkedIn: https://www.linkedin.com/in/adelhaddoud/
🔗 Follow us:
🏠Website : https://www.e2mc.space/
🤝🏻LinkedIn : https://www.linkedin.com/company/space-business-podcast/
🌐Socials: https://linktr.ee/spacebusinesspodcast
🔗 Follow Raphael:
🔷LinkedIn - https://www.linkedin.com/in/raphaelroettgen
🌐Instagram - https://instagram.com/raphael_space/
◇ Twitter/X - https://x.com/RaphaelE2MC
To Learn more about Space & the Space Economy:
"To Infinity" – Raphael’s Revised Introduction to the Space Economy
This book provides an insightful look into the space economy, its current trends, and future opportunities.
📚 https://a.co/d/6jIQ2LO
edX/EPFL's Space Economy MOOC
This course offers a detailed understanding of the New Space Economy, covering key concepts and market developments.
🎓 https://www.edx.org/course/new-space-
Space Business Newsletter
📬 https://spacebusiness.substack.com/

Mar 10, 2025 • 49min
#140 | Mining Asteroids | Daynan Crull, Karman+
Asteroid mining is making a comeback. It may sound futuristic, but some startups are betting on a viable and economic path to making it a reality and investors are taking notice. One of those companies is Karman+, and this week, I’m joined by its Co-Founder, Daynan Crull. Enjoy!
🕰️ Timestamps:
00:00 - Introduction
01:13 - Elevator Pitch
04:18 - Vision and Challenges of Asteroid Mining
06:07 - Recruitment and Team Building
07:44 - Origin Story and Motivation
12:35 - Market Timing and Investor Sentiment
19:49 - Technological and Logistical Challenges
26:12 - Geopolitical and Legal Considerations
32:11 - Mission Timeline and Milestones
36:53 - Economic Viability of Asteroid Mining
41:16 - Future Missions and Scaling Operations
45:19 - Interesting Developments in the Industry
46:15 - Sci-Fi Favorites
📍 About the Guest:
Daynan Crull is the Co-Founder and Mission Architect at Karman+, leading efforts to mine Near-Earth Asteroids for sustainable energy and resources. Previously, he was a Senior Data Scientist at New Light Technologies and the World Bank. From 2018 to 2020, he held data science roles at GeoPhy. Before transitioning to tech, he served in strategy and policy roles at the NYC Mayor’s Office and the Department of Information Technology & Telecommunications. Earlier, he worked at Blue State Digital and the NYC Council. Crull holds an M.S. in Urban Informatics from NYU Tandon and a B.A. from DePauw University.
🔗 Connect with Daynan:
🤝 LinkedIn: https://www.linkedin.com/in/daynan/
🔗 Follow us:
🏠Website : https://www.e2mc.space/
🤝🏻LinkedIn : https://www.linkedin.com/company/space-business-podcast/
🌐Socials: https://linktr.ee/spacebusinesspodcast
🔗 Follow Raphael:
🔷LinkedIn - https://www.linkedin.com/in/raphaelroettgen
🌐Instagram - https://instagram.com/raphael_space/
◇ Twitter/X - https://x.com/RaphaelE2MC
To Learn more about Space & the Space Economy:
"To Infinity" – Raphael’s Revised Introduction to the Space Economy
This book provides an insightful look into the space economy, its current trends, and future opportunities.
📚 https://a.co/d/6jIQ2LO
edX/EPFL's Space Economy MOOC
This course offers a detailed understanding of the New Space Economy, covering key concepts and market developments.
🎓 https://www.edx.org/course/new-space-
Space Business Newsletter
📬 https://spacebusiness.substack.com/

Feb 17, 2025 • 56min
#139 | Space to Grow | Matthew Weinzierl & Brendan Rosseau
Matthew C. Weinzierl, a Harvard Business School professor and author of "Space to Grow," joins Brendan Rosseau, Strategy Manager at Blue Origin, to delve into the emerging space economy. They discuss the critical role of government and private sectors in fostering a self-sustaining market. The duo draws fascinating parallels between historical explorations and today’s space ventures while highlighting the importance of regulatory frameworks and innovation. They also explore how decreased launch costs are transforming the landscape and inspiring future generations.

Feb 10, 2025 • 1h 4min
#138 | European Micro-Launch | Stanislas Maximin, Latitude
My guest this week is Stan Maximin, Founder & Executive Chairman of Latitude, a French micro-launch company. We discuss Latitude's rocket, target customers, and vision, as well as the wider launch market in Europe and globally. Enjoy!
🕰️ Timestamps:
00:00 - Intro
01:28 - Elevator Pitch
02:57 - Starting a Launch Company
11:20 - The Product
16:44 - Competitive Edge
25:30 - Design Decisions & Market Strategy
35:09 - Current Status & Future Milestones
40:30 - Challenges of First Orbital Launch
43:37 - French and European Competition
52:32 - Global Space Market
55:16 - Quick Fire Questions
57:30 - Vision for Latitude
58:27 - What’s next for Rocket Innovation?
01:00:24 - Sci-Fi Favorites
🔗 Connect with Stan on LinkedIn:
🤝Stanislas Maximin - https://www.linkedin.com/in/stanislas-maximin/
🔗 Follow us:
🏠Website : https://www.e2mc.space/
🤝🏻LinkedIn : https://www.linkedin.com/company/space-business-podcast/
🌐Socials: https://linktr.ee/spacebusinesspodcast
🔗 Follow Raphael:
🔷LinkedIn - https://www.linkedin.com/in/raphaelrottgen/
🌐Instagram - https://instagram.com/raphael_space/
◇ Twitter/X - https://x.com/RaphaelE2MC
To Learn more about Space & the Space Economy:
"To Infinity" – Raphael’s Revised Introduction to the Space Economy
This book provides an insightful look into the space economy, its current trends, and future opportunities.
📚 https://a.co/d/6jIQ2LO
edX/EPFL's Space Economy MOOC
This course offers a detailed understanding of the New Space Economy, covering key concepts and market developments.
🎓 https://www.edx.org/course/new-space-
Space Business Newsletter
📬 https://spacebusiness.substack.com/

Jan 20, 2025 • 45min
#137 | Self-Assembling Space Habitats | Ariel Ekblaw, Aurelia Institute & Foundry
Ariel Ekblaw is an MIT aero-astro engineer who founded the MIT Media Lab Space Exploration Initiative, and developed a new technique to build large-scale space structures. She now runs the Aurelia Institute, a non-for-profit dedicated to building humanity’s future in space and the Aurelia Foundry, a space-focused VC fund. We talk about all of these things in this episode. Enjoy!
🕰️ Timestamps:
00:00 - Introduction
01:47 - Ariel’s Background
06:07 - Self-Assembling Space Structures
10:44 - Applications of Space Real Estate
22:45 - Balancing Form and Function
25:13 - Vision for Aurelia Foundry
26:54 - Promising Sectors for Investment
33:12 - Unexplored Space Manufacturing Use-cases
35:40 - Future of Space Urbanism
38:34 - Challenges and Concerns in Space
41:29 - Recurrent Thoughts on Space
43:29 - Sci-Fi Favorites
🔗 Follow us:
🏠Website : https://www.e2mc.space/
🤝🏻LinkedIn : https://www.linkedin.com/company/space-business-podcast/
🌐Socials: https://linktr.ee/spacebusinesspodcast
🔗 Follow Raphael:
🔷LinkedIn - https://www.linkedin.com/in/raphaelrottgen/
🌐Instagram - https://.instagram.com/raphael_space/
◇ Twitter/X - https://x.com/RaphaelE2MC
To Learn more about Space & the Space Economy:
"To Infinity" – Raphael’s Revised Introduction to the Space Economy
This book provides an insightful look into the space economy, its current trends, and future opportunities.
📚 https://a.co/d/6jIQ2LO
edX/EPFL's Space Economy MOOC
This course offers a detailed understanding of the New Space Economy, covering key concepts and market developments.
🎓 https://www.edx.org/course/new-space-
Space Business Newsletter
📬 https://spacebusiness.substack.com/

Jan 13, 2025 • 44min
#136: Space Piracy | Hugh Taylor & Marc Feldman
Space Piracy is a new book about the prospect of organized crime in the space sector, anything ranging from hacking for ransom payments all the way to, some time in the future, actual piracy. The book’s co-authors, Marc Feldman and Hugh Taylor are my guests Enjoy!
🕰️ Timestamps:
00:00 Introduction
01:28 Meet the Authors: Mark Feldman and Hugh Taylor
04:10 The Genesis of the Book
05:55 Speculative Non-Fiction: Predicting Space Crime
14:53 Historical Parallels: Lessons from Terrestrial Piracy
22:53 Modern Piracy and Organized Crime
24:09 Future Threats and Governance Challenges
35:18 Actors in Space Crime: Governments, Criminals, and Companies
39:39 Preparing for Space Crime: Recommendations and Conclusions
42:17 Final Thoughts and Science Fiction
📍 About the Guests:
Marc Feldman and Hugh Taylor are co-authors of the forthcoming book "Space Piracy - Preparing for a Criminal Crisis in Orbit", available e.g. on Amazon: https://www.amazon.com/Space-Piracy-Preparing-Criminal-Crisis/dp/1394240201/
🔗 Connect with them on LinkedIn:
🤝 Marc Feldman: https://www.linkedin.com/in/marc-feldman-599382243/
🤝 Hugh Taylor: https://www.linkedin.com/in/hughbtaylor/
🔗 Follow us:
🏠Website : https://www.e2mc.space/
🤝🏻LinkedIn : https://www.linkedin.com/company/space-business-podcast/
🌐Socials: https://linktr.ee/spacebusinesspodcast
🔗 Follow Raphael:
🔷LinkedIn - https://www.linkedin.com/in/raphaelrottgen/
🌐Instagram - https://instagram.com/raphael_space/
◇Twitter/X - https://x.com/RaphaelE2MC
To Learn more about Space & the Space Economy:
"To Infinity" – Raphael’s Revised Introduction to the Space Economy
This book provides an insightful look into the space economy, its current trends, and future opportunities.
📚 https://a.co/d/6jIQ2LO
edX/EPFL's Space Economy MOOC
This course offers a detailed understanding of the New Space Economy, covering key concepts and market developments.
🎓 https://www.edx.org/course/new-space-
Space Business Newsletter
📬 https://spacebusiness.substack.com/

Dec 29, 2024 • 51min
#135 | 2025 in Space Preview | Raphael & Friends
This is my preview of what the coming year 2025 may hold for the Space sector - including in launch, satcom, earth observation, lunar exploration, in-space manufacturing, science, government, finance, events, etc.
For the second half of the episode, fellow space investors Alexandra Vidyuk and Faraz Khan join me to provide their perspectives, in a roundtable format.
🕰️ Timestamps:
00:00 - Introduction
01:11 - 2025 Space Preview: Format and Caveats
03:31 - Launch Sector
08:56 - Space Hardware and Satellite Communications
11:35 - Lunar Missions and Human Spaceflight
14:37 - Space Manufacturing
17:30 - Science Missions and Government
22:02 - Finance, Investments, and Space Events
26:47 - Special Guests Intro
28:00 - What is exciting in Space in 2025?
30:16 - Potential Concerns
34:07 - Beyond the U.S.
40:43 - Non-obvious Potential Events
47:03 - Wishes for the Space Sector in 2025
📍 About the Guests:
Alexandra Vidyuk is a General Partner at Beyond Earth Technologies investment firm in early-stage space tech, robotics, energy, future computing, and advanced materials; a Venture Partner at Aloniq, a deep tech investment firm; Editor of the Space Ambition blog on Substack.
Faraz Khan is a venture capitalist and technology expert currently serving as Founder and General Partner at Giant Step Capital, a VC firm with a number of space investments including e.g. Varda, Albedo, K2.
🔗 Follow us:
🏠Website : https://www.e2mc.space/
🤝🏻LinkedIn : https://www.linkedin.com/company/space-business-podcast/
🌐Socials: https://linktr.ee/spacebusinesspodcast
🔗 Follow Raphael:
🔷LinkedIn - https://www.linkedin.com/in/raphaelrottgen/
🌐Instagram - https://.instagram.com/raphael_space/
◇ Twitter/X - https://x.com/RaphaelE2MC
To Learn more about Space & the Space Economy:
"To Infinity" – Raphael’s Revised Introduction to the Space Economy
This book provides an insightful look into the space economy, its current trends, and future opportunities.
📚 https://a.co/d/6jIQ2LO
edX/EPFL's Space Economy MOOC
This course offers a detailed understanding of the New Space Economy, covering key concepts and market developments.
🎓 https://www.edx.org/course/new-space-
Space Business Newsletter
📬 https://spacebusiness.substack.com/