Daisuke Wakabayashi, reporting for the WSJ:
Mr. Christie’s group will report to Mr. Ive, who is Apple’s senior vice president of design, according to the email. The team previously reported to Craig Federighi, Apple’s software chief.
“Greg has been planning to retire later this year after nearly 20 years at Apple,” said a company spokesman. “He has made vital contributions to Apple products across the board, and built a world-class human interface team which has worked closely with [Jonathan] for many years.”