A look at the management changes John Ternus could make as many key Apple execs prepare to leave in the next few years; Apple tested a Pencil for folding iPhone (Mark Gurman/Bloomberg)

John Ternus will assume the Apple CEO role on September 1, inheriting rising component costs, staff-retention pressures and a push to accelerate AI capabilities as several senior executives are slated to leave in the coming years. Apple has also prototyped a Pencil accessory for a future foldable iPhone, indicating early hardware experimentation on the device.