Ruben Caballero left Apple in early 2019, where he had served as the head of Apple’s 5G wireless program. The reason the executive departed Apple had to do with a change in development plans for 5G modems used in upcoming hardware products. After leaving Apple, Caballero became an advisor to a company called Humane, which was founded by former

Source: Hot Hardware – Microsoft Nabs Former Apple 5G Wireless Exec To Work On Advanced AR Hardware