The Venture Podcast

Philip Johnston - Sending Data Centers into Space as Founder of Lumen Orbit


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200 VCs wanted to get into Lumen Orbit (YC S24)'s seed round!

Over the holidays, James Moffat and I had the pleasure of sitting down with Lumen's Co-Founder and CEO, Philip Johnston.
Drawing on his experience as a former Harvard University class president, McKinsey & Company consultant, and entrepreneur with a successful exit, Philip is now turning his focus to the stars. His mission? To revolutionize computing with solar-powered, orbit-based data centers that could redefine energy efficiency and scalability for AI.
Key Takeaways:
1. Be bold:
The biggest opportunities often lie in “zero-billion dollar markets”—industries that barely exist today but have massive potential, like computing in space. These untapped frontiers, often adjacent to big markets, are where transformative breakthroughs and category-defining companies are born.
2. Falling Launch Costs Are a Game-Changer:
Rockets like Starship will make getting mass into orbit 100x cheaper, unlocking opportunities like space-based data centers and other frontier innovations.
3. First-Principles Thinking Wins:
LumenOrbit tackles challenges by reducing them to their core engineering problems—like designing lightweight, cost-effective radiators capable of dissipating heat in the vacuum of space, a fundamental hurdle for high-energy applications.
4. New Industries Offer Rapid Expertise:
In emerging fields like AI and space tech, focused effort can make you an expert in months. Aspiring entrepreneurs and new grads should target fast-growing industries with room for newcomers.

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The Venture PodcastBy James Moffat and Bryce Neil