If you have a mental image of a Nobel prizewinner, Demis Hassabis probably doesn\u2019t fit it. Relatively young (he\u2019s 49), mixed race (his father is Greek-Cypriot, his mother Chinese-Singaporean), state-educated, he didn\u2019t exactly look out of place receiving his medal from the king of Sweden in December, amid a sea of grey-haired men, but it was \u201cvery surreal\u201d, he admits. \u201cI\u2019m really bad at enjoying the moment. I\u2019ve won prizes in the past, and I\u2019m always thinking , \u2018What\u2019s the next thing?\u2019 But this one was really special. It\u2019s something you dream about as a kid.\u201d<\/p>\n
Well, maybe not you, but certainly him. Hassabis was marked out as exceptional from a young age \u2013 he was a chess prodigy when he was four. Today, arguably, he\u2019s one of the most important people in the world. As head of Google DeepMind<\/a>, the tech giant\u2019s artificial intelligence arm, he\u2019s driving, if not necessarily steering, what promises to be the most significant technological revolution of our lifetimes.<\/p>\n As such, Hassabis finds himself in the position of being both a booster for AI and an apologist for it. The Nobel prize in chemistry was proof of the benefits AI can bring: DeepMind\u2019s AlphaFold database was able to predict the hitherto-unfathomable structures of proteins, the building blocks of life \u2013 a breakthrough that could lead to myriad medical advances. At the same time, fears are ever growing about the AI future that Google<\/a> is helping to usher in.<\/p>\n Being an AI ambassador is the part Hassabis didn\u2019t dream about. \u201cIf I\u2019d had my way, we would have left it in the lab for longer and done more things like AlphaFold, maybe cured cancer or something like that,\u201d he says. \u201cBut it is what it is, and there\u2019s some benefits to that. It\u2019s great that everyone gets to play around with the latest AI and feel for themselves what it\u2019s like. That\u2019s useful for society, actually, to kind of normalise it and adapt to it, and for governments to be discussing it \u2026 I guess I have to speak up on, especially, the scientific side of how we should approach this, and think about the unknowns and how we can make them less unknown.\u201d<\/p>\n In person Hassabis is a mix of down-to-earth approachability and polished professionalism. Trim and well groomed, dressed entirely in black, he wears two watches: one a smart watch, the other an analogue dress watch (smart but not too flashy). He gives the impression of someone in a hurry. We\u2019re speaking in his office at DeepMind\u2019s London headquarters. On the walls outside are signed chess boards from greats such as Garry Kasparov, Magnus Carlsen and Judit Polg\u00e1r. He still plays; there\u2019s a board set up on a table nearby.<\/p>\n Hassabis being awarded the Nobel prize in chemistry by the king of Sweden last year. Photograph: Jonathan Nackstrand\/AFP\/Getty Images<\/p>\n It was the chess that started Hassabis down the path of thinking about thinking. Between the ages of four and 13 he played competitively in England junior teams. \u201cWhen you do that at such a young age, it\u2019s very formative for the way your brain works. A lot of the way I think is influenced by strategic thinking from chess, and dealing with pressure.\u201d<\/p>\n On paper there\u2019s little else about Hassabis\u2019s background that foretold his future. His family are more on the arty side: \u201cMy dad\u2019s just finished composing a musical play in his retirement, which he staged at an arthouse theatre in north London. My sister\u2019s a composer, so I\u2019m kind of the outlier of the family.\u201d They weren\u2019t poor, but not super-wealthy. He moved between various state schools in north London, and was homeschooled for a few years.<\/p>\n He was also a bit of an outsider at school, he says, but he seems to have known exactly where he was going. His childhood heroes were scientific pioneers such as Alan Turing<\/a> and Richard Feynman<\/a>. He spent his chess winnings on early home computers such as the Sinclair ZX Spectrum and a Commodore Amiga, and learned to code. \u201cThere were few people that were interested in computers in the late 80s. There was a group of us that used to hack around, making games and other stuff, and then that became my next career after chess.\u201d<\/p>\n In the 90s, the games industry was already working with AI. When he was 17, he coded the hit game Theme Park, in which players had to build a virtual amusement park. \u201cThe game reacted to how you were playing it,\u201d he says. Put a food stall too close to the rollercoaster exit and your virtual punters would start throwing up.<\/p>\n I said to Elon Musk, \u2018What if AI was the thing that went wrong? Then being on Mars wouldn\u2019t help you\u2019<\/p>\n After studying computer science at the University of Cambridge, then a PhD at University College London in neuroscience, he set up DeepMind in 2010 with Shane Legg, a fellow postdoctoral neuroscientist, and Mustafa Suleyman, a former schoolmate and a friend of his younger brother. The mission was straightforward, Hassabis says: \u201cSolve intelligence and then use it to solve everything else.\u201d<\/p>\n DeepMind soon caught Silicon Valley\u2019s attention. In 2014 the team showed off an AI that learned to master Atari video games such as Breakout, without any prior knowledge. Interest started to come from now-familiar tech players, including Peter Thiel (who was an early DeepMind investor), Google, Facebook and Elon Musk. Hassabis first met Musk in 2012. Over lunch at Space X\u2019s factory in California, Musk told Hassabis his priority was getting to Mars \u201cas a backup planet, in case something went wrong here. I don\u2019t think he\u2019d thought much about AI at that point.\u201d Hassabis pointed out the flaw in his plan. \u201cI said, \u2018What if AI was the thing that went wrong? Then being on Mars wouldn\u2019t help you, because if we got there, it would obviously be easy for an AI to get there, through our communication systems or whatever it was.\u2019 He just hadn\u2019t thought about that. So he sat there for a minute without saying anything, just sort of thinking, \u2018Hmm, that\u2019s probably true.\u2019\u201d<\/p>\n Shortly after, Musk, too, became an investor in DeepMind.<\/p>\n In 2014, Google bought the company for \u00a3400m (as a result, Musk and Thiel switched to backing the rival startup OpenAI). It wasn\u2019t just access to cash and hardware that convinced them to go with Google. Founders Larry Page and Sergey Brin were computer scientists like him, and \u201csaw Google as ultimately an AI company\u201d, says Hassabis. He also used products such as Gmail and Maps. \u201cAnd finally, I just thought that the mission of Google, which is to organise the world\u2019s information, is a cool mission.\u201d<\/p>\n Hassabis speaking before the Google DeepMind Challenge match in Seoul in 2016, in which it triumphed over South Korean Go grandmaster Lee Sedol. Photograph: Jung Yeon-Je\/AFP\/Getty Images<\/p>\n From his office window, we can see the vast beige bulk of Google\u2019s just-about-finished new office, where DeepMind will be moving next year. It\u2019s fair to say the reason the tech giant is putting so much into Britain is because of Hassabis, who insisted on staying in London. \u201cOur first backers were like, \u2018You\u2019ve got to move to San Francisco,\u2019 but I wanted to prove it was possible here,\u201d he says. \u201cI knew there was untapped talent around. And I knew, if we were successful, how important [AI] would be for the world, so I felt it was important to have a global approach to it, and, not just, you know, 100 square miles of Silicon Valley. I still believe that\u2019s important.\u201d<\/p>\n In 2016, DeepMind again caught the tech world\u2019s attention when its AI defeated one of the world\u2019s best players of Go \u2013 a board game considerably more complex than chess. The AlphaFold breakthrough on protein structures was another leap forward: DeepMind has now solved the structures of over 200m proteins and made the resource publicly available<\/a>.<\/p>\n But the AI landscape shifted seismically in 2020 with the release of OpenAI\u2019s ChatGPT3, which captured the public imagination with its uncanny ability to tackle a host of problems \u2013 from strategy planning to writing poetry. ChatGPT<\/a> caught big tech off guard, especially Google. \u201cThey really went for scaling, almost in a bet-the-house sort of way, which is impressive, and maybe you have to do that as a startup,\u201d says Hassabis. \u201cWe all had systems that are very similar, the leading labs, but we could see the flaws in it, like it would hallucinate sometimes. I don\u2019t think anyone fully understood, including OpenAI, that there would be these amazing use cases for it, and people would get a lot of value out of them. So that\u2019s an interesting lesson for us about how you can be a bit too close to your own technology.\u201d<\/p>\n We\u2019ll have something that will exhibit all the cognitive capabilities humans have, maybe in the next five to 10 years<\/p>\n The race is now on. DeepMind has become \u201cthe engine room of Google\u201d, as Hassabis puts it, and AI is being built into every corner of its business: AI search summaries; smart assistant Gemini (Google\u2019s answer to ChatGPT); an AI image generator (that can add in sound effects); AI-powered smart glasses, translation tools, shopping assistants. How much the public really craves this AI-enhanced world remains to be seen. Competitors are also raising their game. Mark Zuckerberg\u2019s Meta, Amazon, Apple, Microsoft and others are investing heavily, and poaching talent from their rivals. Zuckerberg is offering $100m salaries for top researchers. Suleyman, who left DeepMind in 2019, is now head of Microsoft AI<\/a>, which recently poached more than 20 engineers<\/a> from DeepMind. He hesitates to call his former friend a rival: \u201cWe do very different things. I think he\u2019s more on the commercial applied side; we\u2019re still focused more on that frontier research side.\u201d<\/p>\n \u2018I believe in human ingenuity\u2019 \u2026 Hassabis. Photograph: Antonio Olmos\/The Guardian<\/p>\n That frontier to be reached is surely AGI \u2013 \u201cartificial general intelligence\u201d \u2013 the pivotal point at which AI matches human intelligence. \u201cI don\u2019t know if it will be a single moment. It may be a gradual thing that happens,\u201d he says, \u201cbut we\u2019ll have something that we could sort of reasonably call AGI, that exhibits all the cognitive capabilities humans have, maybe in the next five to 10 years, possibly the lower end of that.\u201d<\/p>\n In other words, we are in the final few years of pre-AGI civilisation, after which nothing may ever be the same again. To some the prospect is apocalyptic, to others, like Hassabis, it\u2019s utopian.<\/p>\n \u201cAssuming we steward it safely and responsibly into the world, and obviously we\u2019re trying to play our part in that, then we should be in a world of what I sometimes call radical abundance,\u201d says Hassabis. He paints a picture of medical advances, room-temperature superconductors, nuclear fusion, advances in materials, mathematics. \u201cIt should lead to incredible productivity and therefore prosperity for society. Of course, we\u2019ve got to make sure it gets distributed fairly, but that\u2019s more of a political question. And if it is, we should be in an amazing world of abundance for maybe the first time in human history, where things don\u2019t have to be zero sum. And if that works, we should be travelling to the stars, really.\u201d<\/p>\n Is he getting too close to his own technology? There are so many issues around AI, it\u2019s difficult to know where to even begin: deepfakes and misinformation; replacement of human jobs; vast energy consumption; use of copyright material, or simply AI deciding that we humans are expendable and taking matters into its own hands.<\/p>\n To pick one issue, the amount of water and electricity that future AI datacentres are predicted to require is astronomical, especially when the world is facing drought and a climate crisis. By the time AI cracks nuclear fusion, we may not have a planet left. \u201cThere\u2019s lots of ways of fixing that,\u201d Hassabis replies. \u201cYes, the energy required is going to be a lot for AI systems, but the amount we\u2019re going to get back, even just narrowly for climate [solutions] from these models, it\u2019s going to far outweigh the energy costs.\u201d<\/p>\n There\u2019s also the worry that \u201cradical abundance\u201d is another way of framing \u201cmass unemployment\u201d: AI is already replacing human jobs. When we \u201cnever need to work again\u201d \u2013 as many have promised \u2013 doesn\u2019t that really mean we\u2019re surrendering our economic power to whoever controls the AI? \u201cThat\u2019s going to be one of the biggest things we\u2019re gonna have to figure out,\u201d he acknowledges. \u201cLet\u2019s say we get radical abundance, and we distribute that in a good way, what happens next?\u201d<\/p>\n Hassabis has two sons in their late teens (his Italian-born wife is a molecular biologist). What does he envisage for their future? \u201cIt\u2019s a bit like the era I was growing up in, where home computers were coming online. Obviously it\u2019s going to be bigger than that, but you\u2019ve got to embrace the new technology … If you become an expert, kind of a ninja, at using these things, it\u2019s going to really empower the people that are good at these tools.\u201d<\/p>\n Non-ninjas will still have a place, however: \u201cWe need some great philosophers, but also economists to think about what the world should look like when something like this comes along. What is purpose? What is meaning?\u201d He points out that there are many things we do that aren\u2019t strictly for utility: sports, meditation, arts. \u201cWe\u2019re going to lean into those areas, as a society, even more heavily, because we\u2019ll have the time and the resources to do so.\u201d<\/p>\n Hassabis, age 23, in 1999, when he was head of Elixir Studios. Photograph: David Sillitoe\/The Guardian<\/p>\n It\u2019s difficult to see Hassabis himself carving out much of that time, between DeepMind, his drug discovery company Isomorphic Labs and his endless public appearances \u2013 the list goes on. \u201cI don\u2019t have much time that isn\u2019t working, seven days a week,\u201d he acknowledges. \u201cI spend time with my kids playing games, board games, and that\u2019s some of my most fun times.\u201d He doesn\u2019t let them win, he says. \u201cWe play very competitively.\u201d<\/p>\n He\u2019s also a season ticket holder at Liverpool FC and makes it to \u201csix, seven games a year\u201d. He still plays chess online \u2013 \u201cIt\u2019s a bit like going to the gym, for the mind.\u201d And he\u2019s a mean poker player, apparently. The night after winning his Nobel prize he celebrated with a poker night with Magnus Carlsen and some world poker champions. \u201cIn another universe, I might have been a professional gamer.\u201d<\/p>\n So, no fears about the future? \u201cI\u2019m a cautious optimist,\u201d he says. \u201cSo overall, if we\u2019re given the time, I believe in human ingenuity. I think we\u2019ll get this right. I think also, humans are infinitely adaptable. I mean, look where we are today. Our brains were evolved for a hunter-gatherer lifestyle and we\u2019re in modern civilisation. The difference here is, it\u2019s going to be 10 times bigger than the Industrial Revolution, and maybe 10 times faster.\u201d The Industrial Revolution was not plain sailing for everyone, he admits, \u201cbut we wouldn\u2019t wish it hadn\u2019t happened. Obviously, we should try to minimise that disruption, but there is going to be change \u2013 hopefully for the better.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"If you have a mental image of a Nobel prizewinner, Demis Hassabis probably doesn\u2019t fit it. 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