'Mallaby has done full justice to his kaleidoscopically interesting subject … expertly structured and vividly reported, the book presents the most insightful portrait of Hassabis to date' Financial Times

A revelatory portrait of the visionary behind Google DeepMind, the race to control the future – and what it means to win

Even in a tech world crowded with visionary leaders, Demis Hassabis is recognized as a special case. Born to working class, immigrant parents in North London, a chess prodigy by five and wizard coder in his teens, he turned down a seven-figure job offer from a video-game studio to study science at Cambridge. Long before the current obsession with AI, he founded the path-breaking company DeepMind in order to pursue a single, audacious goal: the dream of artificial superintelligence, which would solve humanity’s hardest problems, change life and work as we know it, and perhaps even unlock the deepest mysteries of the Universe. For his scientific achievements, he won a Nobel Prize in 2024, and his company, now Google DeepMind, is considered the tech giant’s engine room.

For the past three years, Sebastian Mallaby has had unprecedented access to Hassabis and DeepMind, conducting hundreds of hours of interviews with him and his inner circle as well as detractors and rivals at other companies. The result is a revelation-packed portrait of a singular mind and a historic reckoning with the AI revolution, a shift potentially more significant than any since the dawn of complex thought 70,000 years ago.

As Mallaby chronicles, DeepMind is locked in an arms race with Silicon Valley competitors to build artificial general intelligence, and thereby become the keeper of humanity’s future. Yet this is not a Silicon Valley story. Hassabis has remained in Britain, and unlike his rivals, his aims are not wealth and power but scientific enlightenment. Like them, however, he is haunted by the memory of Robert Oppenheimer, the creator of the atom bomb. He aims to control the technology, but the technology may ultimately control him – and humanity writ large.

Innovations rarely come from “experts.” Jeff Bezos was not a bookseller; Elon Musk was not in the auto industry. When it comes to innovation, a legendary venture capitalist told Sebastian Mallaby, the future cannot be predicted, it can only be discovered. Most attempts at discovery fail, but a few succeed at such a scale that they more than make up for everything else. That extreme ratio of success and failure is the power law that drives venture capital, Silicon Valley, the tech sector, and, by extension, the world.

Drawing on unprecedented access to the most celebrated venture capitalists of all time, award-winning financial historian Sebastian Mallaby tells the story of this strange tribe of financiers who have funded the world’s most successful companies, from Google to SpaceX to Alibaba. With a riveting blend of storytelling and analysis, The Power Law makes sense of the seeming randomness of success in venture capital, an industry that relies, for good and ill, on gut instinct and personality rather than spreadsheets and data. We learn the unvarnished truth about some of the most iconic triumphs and infamous disasters in the history of tech, from the comedy of errors that was the birth of Apple to the venture funding that fostered hubris at WeWork and Uber to the industry’s notorious lack of women and ethnic minorities.

Now the power law echoes around the world: it has transformed China’s digital economy beyond recognition, and London is one of the top cities for venture capital investment. By taking us so deeply into the VCs’ game, The Power Law helps us think about our own future through their eyes.