Ruth Porat, chief financial officer of Alphabet Inc., speaks during a news conference at Michigan Central Station in Detroit, Michigan, on Friday, Feb. 4, 2022.Jeff Kowalsky | Bloomberg | Getty ImagesKey members of Google’s old guard have been shifting roles or leaving the company as it searches for its new identity.The changes encompass high-profile executives such as finance chief Ruth Porat, YouTube CEO Susan Wojcicki and employee No. 8, Urs Hölzle, among others. Some say they have left their roles for a new challenge and others have left to seek opportunities in artificial intelligence.In February, Wojcicki — one of the most prominent women in Silicon Valley — announced that she was stepping back after nine years at the helm of the Google-owned platform that grew to be the world’s most popular video service. She had been at Google for more than 25 years, …
