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Starcloud is building data centers in space. Thanks for highlighting our work, World Economic Forum @WEF

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Philip Johnston

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63,825 次观看 • 11 个月前 •via X (Twitter)

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Fun to speak about data centers in space and Starcloud at @Sequoia’s AI day a few weeks ago. Thanks for having me! 🤓
11:51

Fun to speak about data centers in space and Starcloud at @Sequoia’s AI day a few weeks ago. Thanks for having me! 🤓

Philip Johnston

11,220 次观看 • 3 个月前

Wise words from @Dylan Taylor of Voyager at World Economic Forum: “I expect many data centers will be built in space.” Voyager Technologies
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Wise words from @Dylan Taylor of Voyager at World Economic Forum: “I expect many data centers will be built in space.” Voyager Technologies

Philip Johnston

15,146 次观看 • 6 个月前

Why Would We Need Data Centers in Space? I interviewed co-founder and CEO of Starcloud, Philip Johnston to learn exactly why even if AI is a bubble, data centers in space would still prosper. Philip Johnston
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Why Would We Need Data Centers in Space? I interviewed co-founder and CEO of Starcloud, Philip Johnston to learn exactly why even if AI is a bubble, data centers in space would still prosper. Philip Johnston

Ellie in Space 🚀💫

39,490 次观看 • 7 个月前

Philip Johnston (Philip Johnston) is the co-founder and CEO of Starcloud, the company building data centers in space. In November 2025, Starcloud launched an Nvidia H100 GPU into orbit and trained the first large language model in space. They've since raised $200 million, hit a billion-dollar valuation just 17 months after YC demo day and filed with the FCC to deploy 88,000 more satellites. In this episode of Lightcone Podcast, Philip walks us through their wild origin story, the engineering challenges behind the Starcloud-1, why they booked a SpaceX launch before they even knew what they were building and how data centers in space make sense both economically and politically. 00:39 — Why Build Data Centers in Space? 01:40 — The Insight That Started Starcloud 04:43 — Launching Starcloud-1 09:45 — The Engineering Behind Data Centers in Orbit 13:49 — Why 100 VCs Said No 16:12 — Book the Launch Before You Build the Product 18:32 — The Roadmap to Commercial Space Compute 21:10 — Building NVIDIA GPUs for Space 23:41 — Raising $170M for a Hard Tech Startup 26:37 — Hiring the World's Best Space Engineers 31:25 — Why AI Compute Is Moving to Space 34:49 — Advice for Hard Tech Founders
36:13

Philip Johnston (Philip Johnston) is the co-founder and CEO of Starcloud, the company building data centers in space. In November 2025, Starcloud launched an Nvidia H100 GPU into orbit and trained the first large language model in space. They've since raised $200 million, hit a billion-dollar valuation just 17 months after YC demo day and filed with the FCC to deploy 88,000 more satellites. In this episode of Lightcone Podcast, Philip walks us through their wild origin story, the engineering challenges behind the Starcloud-1, why they booked a SpaceX launch before they even knew what they were building and how data centers in space make sense both economically and politically. 00:39 — Why Build Data Centers in Space? 01:40 — The Insight That Started Starcloud 04:43 — Launching Starcloud-1 09:45 — The Engineering Behind Data Centers in Orbit 13:49 — Why 100 VCs Said No 16:12 — Book the Launch Before You Build the Product 18:32 — The Roadmap to Commercial Space Compute 21:10 — Building NVIDIA GPUs for Space 23:41 — Raising $170M for a Hard Tech Startup 26:37 — Hiring the World's Best Space Engineers 31:25 — Why AI Compute Is Moving to Space 34:49 — Advice for Hard Tech Founders

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📍World Economic Forum (WEF) 2026 #DSBDatWork
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📍World Economic Forum (WEF) 2026 #DSBDatWork

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THE WORLD ECONOMIC FORUM (WEF) HAS ONE FEAR...
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THE WORLD ECONOMIC FORUM (WEF) HAS ONE FEAR...

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286,072 次观看 • 2 年前

For those who say I never answer whatever is their particular pet peeve on orbital data centers, this is a particularly dense interview covering a wide range of topics in a short time. Thanks for having me SpaceNews to talk about Starcloud and orbital data centers! 🤓
13:21

For those who say I never answer whatever is their particular pet peeve on orbital data centers, this is a particularly dense interview covering a wide range of topics in a short time. Thanks for having me SpaceNews to talk about Starcloud and orbital data centers! 🤓

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11,907 次观看 • 1 个月前

Data centers in space are coming. Satellite Data Centers that follow the sun 24/7. Thanks to Gwynne Shotwell for driving American Technology forward.
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Data centers in space are coming. Satellite Data Centers that follow the sun 24/7. Thanks to Gwynne Shotwell for driving American Technology forward.

Howard Lutnick

665,407 次观看 • 2 个月前

In the SpaceX IPO debate, StarCloud CEO Philip Johnston responds to Tim Farrar’s doubts on performance and space data centers. “To say that SpaceX is doing data centers in space for the story because it's worried about missing its numbers… was the dumbest thing I'd heard all in a quite a long time.” Full episode:
1:17

In the SpaceX IPO debate, StarCloud CEO Philip Johnston responds to Tim Farrar’s doubts on performance and space data centers. “To say that SpaceX is doing data centers in space for the story because it's worried about missing its numbers… was the dumbest thing I'd heard all in a quite a long time.” Full episode:

The Information

46,961 次观看 • 7 个月前

Starcloud CEO Philip Johnston joins Mo Islam and I at the NYSE. "In order to make data centers in space work, you really need the BOM costs for a 200 kW satellite to be on the order of 1 million dollars." We chat: - Building low cost sats - 20 yr terrestrial vs. 5 yr space - Merge with a launch company? - Does Starcloud exist if Earth's bottlenecks vanish? - Better leader: Altman or Dario - Building sats cheaper than Starlink - GPU failure rate
14:17

Starcloud CEO Philip Johnston joins Mo Islam and I at the NYSE. "In order to make data centers in space work, you really need the BOM costs for a 200 kW satellite to be on the order of 1 million dollars." We chat: - Building low cost sats - 20 yr terrestrial vs. 5 yr space - Merge with a launch company? - Does Starcloud exist if Earth's bottlenecks vanish? - Better leader: Altman or Dario - Building sats cheaper than Starlink - GPU failure rate

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Thanks for the Starcloud and orbital data center feature CNN! 🚀
1:42

Thanks for the Starcloud and orbital data center feature CNN! 🚀

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14,059 次观看 • 1 个月前

WORLD ECONOMIC FORUM UPDATE 35: The elitists’ mood in Davos the day after President Trump’s WEF address.
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WORLD ECONOMIC FORUM UPDATE 35: The elitists’ mood in Davos the day after President Trump’s WEF address.

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The difference between a Harvard Business School student and a Founder. HBS STUDENT: Lists all the reasons AI Space Compute is hard. FOUNDER: “ I don't disagree with you that building data centers in space is hard. Building data centers in space is extremely hard. . . If you think [demand] is going to double in the next three years - demand for energy from just data centers - and then double in the next three years after that, and then double in the next three years after that, then: We don’t have a choice. We literally have to put data centers in space. So we have to figure this stuff out.” Philip Johnston Starcloud Founders solve problems. Founders KNOW it will be HARD and do it anyway because it simply NEEDS TO BE DONE. That is founder mindset - and that mindset is what Harvard Business School can’t teach.
0:54

The difference between a Harvard Business School student and a Founder. HBS STUDENT: Lists all the reasons AI Space Compute is hard. FOUNDER: “ I don't disagree with you that building data centers in space is hard. Building data centers in space is extremely hard. . . If you think [demand] is going to double in the next three years - demand for energy from just data centers - and then double in the next three years after that, and then double in the next three years after that, then: We don’t have a choice. We literally have to put data centers in space. So we have to figure this stuff out.” Philip Johnston Starcloud Founders solve problems. Founders KNOW it will be HARD and do it anyway because it simply NEEDS TO BE DONE. That is founder mindset - and that mindset is what Harvard Business School can’t teach.

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I guess @BlueOrigin is also building data centers in space now! 🤷‍♂️🙌 Jeff Bezos: “You get 8x more energy in space than on Earth for a given area of solar panel.”
0:20

I guess @BlueOrigin is also building data centers in space now! 🤷‍♂️🙌 Jeff Bezos: “You get 8x more energy in space than on Earth for a given area of solar panel.”

Philip Johnston

43,807 次观看 • 8 个月前

We sat down with Philip Johnston, co-founder and CEO of Starcloud, at MIT to discuss why the future of data centers might be in space. After graduating Y Combinator less than 2 years ago, Starcloud just raised an impressive $170M Series A at a $1.1B valuation led by Benchmark and EQT Ventures & Growth. The conversation covers everything from solar physics and cooling systems to GPU economics, radiation hardening, launch costs, and satellite design. Philip also shares what it takes to build a unicorn deeptech startup. We discuss his experience with YC, the skepticism around their demoday launch, and the crazy last minute race to get Starcloud’s first satellite onboard their scheduled Falcon flight. Full episode is here on X and at any of the links below (see comment). Timestamps: 00:00 - Intro 01:12 - What is Starcloud? 02:44 - Why do data centers need to go to space? 06:15 - Can’t we just build more solar panels on earth? 11:10 - Economic analysis of Starcloud 19:56 - How does Starcloud’s cooling work? 28:26 - Training an LLM in space 32:07 - Addressing critics on space Twitter 34:23 - Is Starcloud overfunded? 35:59 - Will demand for data centers keep going up? 38:11 - GPU lifespan and disposal in space 39:47 - Bus structures 41:43 - Starcloud’s origin and founders 49:29 - Fundraising, Competition, and Meeting Expectations 53:29 - Satellite size and collisions 56:29 - Manufacturing Bottlenecks 1:00:20 - Starcloud 1 tests 1:01:57 - Acceleration after YC 1:03:43 - Testing on Earth 1:05:06 - Motivations for Starcloud 1:06:45 - Data centers on the Moon 1:08:12 - Interacting with AI companies 1:08:18 - What’s next for Starcloud? 1:14:01 - Other uses for Starcloud satellites 1:17:56 - Lunar hotels and space elevators 1:24:28 - Complementary business ideas to Starcloud 1:29:51 - Philip’s competitive twin 1:32:18 - Philip and Mike’s thoughts on YC 1:36:04 - Advice for young entrepreneurs Elon Musk Scott Manley Kyle Hill Hank Green
1:37:33

We sat down with Philip Johnston, co-founder and CEO of Starcloud, at MIT to discuss why the future of data centers might be in space. After graduating Y Combinator less than 2 years ago, Starcloud just raised an impressive $170M Series A at a $1.1B valuation led by Benchmark and EQT Ventures & Growth. The conversation covers everything from solar physics and cooling systems to GPU economics, radiation hardening, launch costs, and satellite design. Philip also shares what it takes to build a unicorn deeptech startup. We discuss his experience with YC, the skepticism around their demoday launch, and the crazy last minute race to get Starcloud’s first satellite onboard their scheduled Falcon flight. Full episode is here on X and at any of the links below (see comment). Timestamps: 00:00 - Intro 01:12 - What is Starcloud? 02:44 - Why do data centers need to go to space? 06:15 - Can’t we just build more solar panels on earth? 11:10 - Economic analysis of Starcloud 19:56 - How does Starcloud’s cooling work? 28:26 - Training an LLM in space 32:07 - Addressing critics on space Twitter 34:23 - Is Starcloud overfunded? 35:59 - Will demand for data centers keep going up? 38:11 - GPU lifespan and disposal in space 39:47 - Bus structures 41:43 - Starcloud’s origin and founders 49:29 - Fundraising, Competition, and Meeting Expectations 53:29 - Satellite size and collisions 56:29 - Manufacturing Bottlenecks 1:00:20 - Starcloud 1 tests 1:01:57 - Acceleration after YC 1:03:43 - Testing on Earth 1:05:06 - Motivations for Starcloud 1:06:45 - Data centers on the Moon 1:08:12 - Interacting with AI companies 1:08:18 - What’s next for Starcloud? 1:14:01 - Other uses for Starcloud satellites 1:17:56 - Lunar hotels and space elevators 1:24:28 - Complementary business ideas to Starcloud 1:29:51 - Philip’s competitive twin 1:32:18 - Philip and Mike’s thoughts on YC 1:36:04 - Advice for young entrepreneurs Elon Musk Scott Manley Kyle Hill Hank Green

632nm

46,599 次观看 • 4 个月前