Developing artificial general intelligence (AGI)—or an AI smart as a human—is the “north star” for Amazon’s Rohit Prasad, who jumped from being Alexa’s head scientist to running a ...

As one of the chief architects of Amazon ’s AMZN 2.85% Alexa, Rohit Prasad has been at the vanguard of artificial intelligence. Now, he is leading the company’s effort to catch up in the AI race.