Setback for Apple? Key AI head executive Robby Walker could leave amid delays to Siri upgrade

Apple is set to lose one of its most senior artificial intelligence executives, with Robby Walker preparing to leave the company next month, according to a Bloomberg report citing people familiar with the matter.

Walker, who has been with the technology giant since 2013, currently serves as senior director of Apple’s Answers, Information and Knowledge team, a role he assumed in April. He previously oversaw the Siri voice assistant before its management was transferred earlier this year to Craig Federighi, Apple’s software chief.

AI challenges and…