John Ternus succeeds Tim Cook as Apple CEO after 15 years

John Ternus has officially taken over as the chief executive officer of Apple, succeeding Tim Cook, who ended a 15-year tenure leading the tech giant. Ternus, who took the helm on Tuesday, had been serving as the senior vice president for hardware engineering at the Cupertino, California-based company since 2021. Ternus is an old hand at the company. He joined Apple's product design team in 2001 and climbed the ranks. He was appointed vice president of hardware engineering in 2013 and was promoted in 2021 to the senior vice president role that he has now moved up from.