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Will Marshall
Co-Founder & Chief Executive Officer, Planet Labs PBC

AI agents could become impossible to control: Ex-NASA scientist Will Marshall

📅 Sep 23, 2026 The World with Richard Engel and Yalda Hakim and Sky News 37 MIN 38386 VIEWS 54 SEGMENTS · 2 SPEAKERS
Space entrepreneur and former NASA scientist, Will Marshall, believes we're on the cusp of "the most profound choice humanity has ever made". He tells Richard about the extraordinary potential of AI – and the risks it could pose to humanity. Will, who is co-founder and chief executive of space company Planet, believes there could be a 50% or greater risk of humans losing control of AI if we continue on our current trajectory. He suggests we could be approaching recursive self-improvement – when machines independently improve their own code and capabilities. And he discusses what could...

What Will Marshall said

Written from the verified transcript and checked against it. Every figure links to the moment it was said.

Will Marshall, CEO of Planet Labs, argues that AI poses an existential threat, with a 50% or greater risk of losing control and a 10% risk of existential catastrophe. He emphasizes the imminence of recursive self-improvement (RSI), estimating it could occur within 3 months to 3 years, potentially leading to an intelligence explosion. Marshall calls for precautionary measures, urging leaders like Trump and Xi to agree on guardrails, and advocates for AI to remain under human stewardship. He draws parallels to nuclear weapons and the Fermi paradox, suggesting civilizations often fail to govern powerful technologies. Marshall also discusses Planet's satellite work, including doubling manufacturing capacity in Berlin and supporting Ukraine with imagery, while cautioning against weaponizing space.

Key takeaways

  1. Marshall estimates a 50% or greater risk of losing control over AI, calling it a one-way door to handing over control.
  2. Marshall predicts RSI could happen within 3 months to 3 years, leading to an intelligence explosion.
  3. Marshall cites a 10% existential risk from AI, drawing an analogy to boarding a plane with a 10% crash risk.
  4. Marshall urges US and China to lead on AI guardrails, similar to nuclear arms control.
  5. Marshall says Planet is doubling satellite manufacturing capacity in Berlin to support European security.

Numbers and commitments

FigureWhat it refers toTypeAt
50% probability of losing control over AI commitment 0:00
10% existential risk from AI commitment 5:50
3 months to 3 years timeframe for RSI timeline 14:13
200 number of Planet satellites metric 4:37
688 satellites launched to date metric 27:51
80% of Claude code written by previous AI metric 5:50
10 per day daily illegal logging events stopped in Brazilian Amazon metric 2:44

Chapters

  1. 0:00Planet Labs origins and environmental mission
  2. 5:50AI upside and existential risks
  3. 14:13Recursive self-improvement and its timeline
  4. 15:15AI control risk and the one-way door
  5. 16:48Call for international agreement on AI guardrails

Questions asked in this interview

10
  1. 0:23Then what happens once we get there?
  2. 0:58So, how was this company born?
  3. 4:24So, you have satellites, what, a few hundred of these satellites?
  4. 5:30And I'm not saying does it dwarf the concerns about environment, but how concerned should we be about AI where it is currently and how concerned are you?
  5. 7:31What is this danger as you say that carries the existential risk for humanity?
  6. 13:46And does this change everything and bring this super intelligence that you were just talking about?
  7. 14:44And what and then what happens once we get there?
  8. 14:58I don't think it's quite two or three months but I think let's say a year this time it's a year. What happens then?
  9. 20:49The question is, are we going to do anything about it or not?
  10. 32:07Do you think we are fundamentally there at the doorstep?
Will Marshall 0:00 ↗
This is our Hashima moment. The question is, are we going to do anything about it or not? And I think it's the most profound choice humanity has ever made. There's probably a 50 or greater percent risk that we will just lose control. This is far far too big a risk to be rolling the dice. People estimate anywhere from 3 months to 3 years.
Richard Engel 0:23 ↗
Then what happens once we get there?
Will Marshall 0:25 ↗
Months. Months is Christmas time. Months is nothing.
Richard Engel 0:28 ↗
Exactly.
Hello everyone, it's Richard Engel and welcome to the World podcast. Today I'm excited to be speaking with Will Marshall. He is the co-founder of Planet, a company that has completely revolutionized how we view Earth. His company launched the largest fleet of satellites in human history. Will also sees the great potential and grave dangers to humanity at large from the rise of AI. And that's what we're going to be talking about today. Will, it's great to see you.
Will Marshall 0:56 ↗
It's great to see you, too, Richard.
Richard Engel 0:58 ↗
So, I want to talk a lot today about AI, the dangers of AI, the potential upside. And I know you've thought a lot about this. You've written about this. But let's just start a little bit on your background. You founded, co-founded Planet Labs. We're talking about 15 years ago now. And it began primarily as an environmental project. You put up these satellites, you innovate these satellites, you put them up into orbit with the idea of watching the planet and tracking deforestation and seeing which gases are emitted and not emitted to check the health of the planet. How did you do that? Why the environment? You started out in a garage with a few scientists. You had a background in aerospace engineering and physics. So, how was this company born?
Will Marshall 1:50 ↗
Well, look, yeah, NASA, I was working personally on planetary missions. I sent two probes to the moon with colleagues there. We found water on the moon. It was very exciting. But my career started looking out even further in cosmology, astrophysics and cosmology. And then increasingly I realized that this is a really cool place. And to put it in perspective, this planet here, my co-founder Robbie helped to work on a mission called TESS, which was looking at planets around other star systems. And we've now discovered about 6,000, I think over 6,000 planets around other star systems. And I'll tell you that this is the best one by far. The more you look out, the more you realize this place is special. The precious ecosystems and everything that we have here.
Richard Engel 2:39 ↗
You mean our planet is the most special by far. The more you learn about it, the more you realize how unique it is.
Will Marshall 2:44 ↗
Absolutely. Earth is the most incredible planet. Life is either singular or very rare in the cosmos. We have incredible diversity of life here. And my co-founders and I were thinking, how can we use our space geek talents to help take care of this planet rather than going off? How can we build a space company that would be space for earth if you like? Helping us to understand the planet, glaciology, climatology, all the earth system sciences and perhaps moreover helping us with actual day-to-day interaction. Satellite data of the earth have been taken once every month or so prior to us and that's great to understand the planet but it's too slow to do anything about it. So take deforestation, if deforestation takes days and weeks, if you take a picture every month or two then all you do is you wake up the end of the year and there's a big hole in the Amazon whereas if you have imagery every day you can stop the illegal logging before it gets very far. And in fact, that's exactly what we do in the Brazilian Amazon, for example. Stopping illegal logging. Every day, 10 events per day, they go and stop illegal logging activity, illegal mining, illegal narcotics across all of the Brazilian Amazon. So it's having that interaction. So space seems far away, but it actually helps people on the ground taking care and stopping challenges. Same for agriculture, disaster response, security, and so on. It's a day-to-day help for helping us to take care of the Earth.
Richard Engel 4:24 ↗
And weapons are now going up in space, too. Not that you're launching them, but I want to talk about that as well. But before we get there, just to help people understand more and more about practically how you do that. So, you have satellites, what, a few hundred of these satellites? Small
Will Marshall 4:37 ↗
200. Just over 200. Yeah.
Richard Engel 4:38 ↗
200. And they orbit the Earth every single day, collecting data, and then sending that data back down to your staff, your laboratory.
Will Marshall 4:47 ↗
Absolutely. And the unique thing back to the satellites that we do is that we have so many we scan the whole earth once a day and no one else had done that prior to planet and that's all about getting real-time information. But the space geekery aside because I can go on about the satellites, they're very cool, in the end it's information like a picture showing a deforestation event or analytics even we do AI on top that actually gives people alerts and tells them what's happening. So that they can then just go and act. And that could be a farmer improving their crop yield. It could be someone stopping deforestation. It could be a journalist reporting on an incident, human rights organization or governments looking out for their security, which we can talk about as well.
Richard Engel 5:30 ↗
And what about you mentioned AI and that's very much at the front and center of the news these days. How concerned now are you about AI? And I'm not saying does it dwarf the concerns about environment, but how concerned should we be about AI where it is currently and how concerned are you?
Will Marshall 5:50 ↗
Well, absolutely AI is a major set of challenges including existential threats. So look, AI has huge potential upsides. Let me talk about that for just 30 seconds so you can appreciate the scale of the upside. It is doing scientific advances that no one's done. I mean it's incredibly advanced mathematics now. We've obviously done a lot in medicine with AlphaFold and following on projects. It's going to help solve cancer or diseases, other things like this. Huge potential benefits. At the same time the challenge is that it makes certain things like building bioweapons much much easier and that proliferation can increase existential challenges to humanity. So it is not a minor thing and some AI leaders and I subscribe to this put the odds around 10% of us really blowing ourselves up in building this technology. So we've got to be very cautious. But I actually think it's even more dramatic than that. And let me try and explain why. We're close to what they call recursive self-improvement which is where the AI codes itself. Right now the last Claude code, 80% of that code for the AI itself was written by the previous AI. And if you just close the remaining, i.e. it's 100% written code by the previous AI, i.e. the AI is just improving itself. Then the time frame for improvement goes from maybe 3 months for these current training runs to maybe 3 weeks or 3 days or 3 hours. And then you could imagine an intelligence explosion.
Richard Engel 7:31 ↗
Let's go into this more slowly because this is your intelligence is exploding now. Let's slow it down because this is happening so quickly and not everybody knows that we're on the cusp of this RSI, closed loop recursive self-improvement. I want to get there and I want to get there really soon. But you wrote a few months ago in a paper that you shared with me and you wrote something similar in the Economist. This was the hard question of AI and you talked about and I'm quoting it here. Artificial intelligence has extraordinary potential to advance human welfare. Right. This is what you were just talking about. It can compress years of scientific research into hours, expand access to expertise, generate entirely new forms of understanding. If well harnessed, humanity could be on the precipice of extraordinary advances. But it also brings a myriad of serious risks. This is particularly so on the hard challenge of AI, ensuring human AI alignment. This carries existential risk for humanity. So it's this human AI alignment. What do you mean? Is there a danger that humans and AI are no longer aligned and then they win, we lose? What is this danger as you say that carries the existential risk for humanity?
Will Marshall 8:47 ↗
Alignment is about whether or not the interests and goals of AI and the interest and goals of humanity are the same or different. And right now it doesn't matter too much because we're telling the AI what to do, so it doesn't really matter. But there comes a point where if AI gets to a certain level of intelligence, it might decide for itself what to do. There's a lot of debate about whether it can as a deterministic machine, but Alan Turing himself said something like we can expect that AI will take control at some point. Alan Turing was the founder of AI. He was the one who came up with modern computing in the broader sense and he wrote a lot about artificial intelligence and he basically said in 1952 eventually it will get out of our control and it will control us. That is a big deal. That and saying the word control doesn't quite do it justice. This is a sovereignty moment. And I don't mean national sovereignty. You know, is US or China going to win this. It's whether humans at all are going to remain in control or is the AI going to be in control? And that sounds science fiction, but it's actually we're close to that point. And actually we've already seen many cases of this. The OpenAI teams where the AI during testing hacked out, it coordinated with hundreds of AI agents to hack out of their test environment that they had with their best and they have some of the best AI security, IT security people. They had put it in a container to do this testing. It broke out of their container that was the best design container they could come up with. Broke out, hacked into another company and got the answer because they were trying to get round that. It showed willingness to deceive humans. It showed willingness to coordinate. And in fact, I liken it to when like, you know, an individual human against a gorilla is kind of toast. The advantages that humans have is that we coordinate. And when we started coordinating, everyone else was secondary to what we determined was the goal. Suddenly we are at this point now where AI is coordinating. It's coordinating with each other. AI agents are coordinating. That is a big threshold moment. So I think of this, it is a one-way door of handing over that control. People talk about there you could do an off switch, but unfortunately humans are easy to trick and a super intelligence could trick a person that's controlling that off switch just like we trick a child. And so we may not be able to bring it back. Actually think of an analogy to a plane. Imagine if you get on a plane and somebody and all the engineers building it said there's a 10% risk of that plane blowing up. Now would you get on that plane? And you probably would not.
Richard Engel 11:38 ↗
But it's worse than that. We are putting all of humanity and all of life on Earth on that plane and there's that risk and we're saying by the way the AI is in the cockpit. It's driving the plane. You may get to request to the cockpit where you want to go but you don't know. We don't know what AI is going to do once it's in charge. And that is a major moment. I liken it actually. It's not like the industrial revolution or nuclear weapons. It is much more profound than that. This is more like the Cambrian explosion or the evolution of single cellular life to multicellular life. This is the evolution of the Anthropocene that is the human dominated era of earth to maybe the Silicocene or something and where the dominant force on earth is going to be artificial intelligence. Now some in Silicon Valley think that's a great thing and that's our future, our progeny are taking over. It's an intelligence upgrade. But to the very least that is a thing that we should decide together rather than let a bunch of guys in Silicon Valley decide for humanity.
Will Marshall 12:42 ↗
I think most people now when they interact with AI on their chat bots or on their phones or on their smart TVs they know that it's getting better right so they think it's learning because I used to think oh AI it's already sort of improving itself because each time I interact with my whatever I want to watch on TV whichever player it is it gets better and better right it gives me better suggestions so it is learning that way but I realized that's not really AI and that's not really learning. It's just learning me and it's improving its product and it's improving to apply the rules that it already has and knows which were put in by human beings to customize my experience. So it feels like learning to me but it's not true learning. RSI, closed loop recursive self-improvement is where the computer is really learning and writing its own code and creating things that we can't necessarily understand.
Richard Engel 13:46 ↗
It's the robots that we barely understand now are creating their own baby robots that we really can't understand and control. And to quote your paper again, you said, 'Should RSI be achieved, the result could be an intelligence explosion of a kind for which there is no precedent and no map.' So why is RSI so important? How close are we? And does this change everything and bring this super intelligence that you were just talking about?
Will Marshall 14:13 ↗
Yeah, I mean fundamentally there's a lot of unknowns and so let's be clear. People estimate a closed loop RSI anywhere from three months to three years, but either way, that's a pretty short time frame. So that's when we would expect this intelligence explosion. Now, how far will it go? Maybe there's other limits that we don't know it will get stuck by very soon after that. I don't know, but no one sees any fundamental limits right now. And everyone predicts that we'll get to RSI in months, not decades for sure.
Richard Engel 14:44 ↗
And what and then what happens once we get there? Months. Months is Christmas time. Months is nothing.
Will Marshall 14:49 ↗
Exactly. I think that the thing we need to do and again some people think it's years but single years not decades. I think
Richard Engel 14:58 ↗
I think 6 months to 18 months. So a little bit of a narrowing version of that. I don't think it's quite two or three months but I think let's say a year this time it's a year. What happens then? Then you get super intelligence, then you have computers making computers that we don't understand. Tell me about what happens then.
Will Marshall 15:15 ↗
Then if we haven't done anything on a present course, if we're just letting everyone do this without any restrictions on that, if we don't put any guardrails, then I would imagine we would de facto be handing over most decision-making from humans to AI in that sort of time frame.
Richard Engel 15:35 ↗
Only because the computer can now learn on its own in a more

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APA

Marshall, W. (2026, September 23). AI agents could become impossible to control: Ex-NASA scientist Will Marshall [Interview transcript]. The World with Richard Engel and Yalda Hakim and Sky News. CEOInterviews.AI. https://ceointerviews.ai/interview/2929137/

MLA

Will Marshall. "AI agents could become impossible to control: Ex-NASA scientist Will Marshall." The World with Richard Engel and Yalda Hakim and Sky News, 23 Sep. 2026. Transcript, CEOInterviews.AI, https://ceointerviews.ai/interview/2929137/.

BibTeX
@misc{marshall2026_2929137,
  author       = {Will Marshall},
  title        = {AI agents could become impossible to control: Ex-NASA scientist Will Marshall},
  howpublished = {Interview transcript, The World with Richard Engel and Yalda Hakim and Sky News. CEOInterviews.AI},
  year         = {2026},
  month        = {sep},
  url          = {https://ceointerviews.ai/interview/2929137/},
  note         = {Speaker-attributed transcript with timestamps}
}