Tim Cook is the current CEO of Apple Inc. and has played a significant role in the success of the iPhone. Cook joined Apple in 1998 and served as the company's Chief Operating Officer before taking over as CEO in 2011, following the resignation of Steve Jobs. Under Cook's leadership, Apple has continued to innovate and release new iterations of the iPhone, introducing features like Face ID, improved cameras, and faster processors. Cook has also focused on expanding Apple's presence in international markets, making the iPhone a global phenomenon. His strategic vision and commitment to excellence have helped maintain the iPhone's status as one of the most popular and influential smartphones in the world.