Tim Cook became the CEO of Apple after Steve Jobs died in 2011. Cook had been Apple's COO (Chief Operating Officer) since 2005 and was instrumental in streamlining Apple's supply chain and expanding its retail presence. He was a trusted lieutenant of Jobs and had a deep understanding of the company's operations.
Cook's appointment as CEO was announced on August 24, 2011, just days after Jobs passed away. He has since led Apple to continued success, overseeing the launch of numerous popular products, including the iPhone 5, the iPad Air, and the Apple Watch.
Cook's leadership has been praised for its focus on innovation, customer experience, and social responsibility. He has also been instrumental in expanding Apple's reach into new markets, including China and India.