https://en.wikipedia.org/wiki/Demis_Hassabis

Hassabis left Lionhead in 1998 to found Elixir Studios, a London-based independent games developer,

The release of Elixir's first game, Republic: The Revolution, a highly ambitious and unusual political simulation game, was delayed due to its huge scope. The final game was reduced from its original vision

In 2010, Hassabis co-founded DeepMind

The company has focused on training learning algorithms to master games, and in December 2013 it famously announced that it had made a pioneering breakthrough by training an algorithm called a Deep Q-Network (DQN) to play Atari games at a superhuman level by only using the raw pixels on the screen as inputs