A change in leadership has occurred at a major tech company. John Ternus has taken over as CEO, marking the end of Tim Cook's 15-year tenure. During Cook's time at the helm, the company's value increased significantly to $4.6 trillion.

This growth is attributed to the enormous popularity of the iPhone. John Ternus is now in charge of the company, which is known for being an iconic tech giant.

Further details about this change in leadership and the company's future plans are available from the source.