Engineer Doug Field is going back to Apple, having left Tesla in July.
He worked as head of Tesla Model 3 production untilby CEO Elon Musk in April, and decided after a leave of absence.
Field will work with Apple's Bob Mansfield, who has been leading Apple's self-driving car program, Reuters reports. They previously worked together when Field was vice president of Mac hardware engineering, before he in 2013.,
Neither Apple nor Tesla immediately responded to requests for comment.
Apple, a former senior engineer with Waymo, to join its self-driving-car program in June. We took a look that what we know about the mysterious program in May, as the company .