Apple CEO Tim Cook has handed over the reins to John Ternus after a 15-year tenure that transformed Apple into a $4.6 trillion company. The stock has surged 2,275% since Cook succeeded Steve Jobs in 2011, as he diversified Apple beyond the iPhone. Ternus now faces the daunting task of sustaining that growth and delivering further value to shareholders.

John Ternus takes over as Apple CEO on September 1, succeeding Tim Cook. He's already restructuring Apple's design team and shifting management

Cook will move into the role of executive chairman, while Ternus will join Apple’s board the same day. Cook has played a central role in expanding the company’s business and…

Apple CEO Tim Cook has handed over the reins to John Ternus after a 15-year tenure that transformed Apple into a $4.6 trillion company. The stock has surged 2,275% since Cook…