Silicon Valley once chafed at dictatorships. Then came a Middle East gold rush.

Two years ago, Andrew Feldman couldn’t find Abu Dhabi on a map. But like many Silicon Valley leaders, the artificial intelligence entrepreneur has been wooed by the promise of Middle Eastern partnership and money.

On trips to the glittering capital of the United Arab Emirates, he’s toured a government-built synagogue and a local outpost of the Louvre. The city is so teeming with the tech sector that he ran into fellow California start-up founders in the lobby of the Four Seasons Hotel. Meanwhile, millions from the oil-rich UAE are allowing Feldman’s Cerebras to build advanced supercomputer data centers in Stockton, Calif., Dallas and on the outskirts of the Emirati desert city.