Cook is the chief executive officer of Apple.

In 2011, Cook was the company's chief operating officer.

Cook joined Apple in 1998 as a senior vice president for worldwide operations and later as executive vice president for worldwide sales and operations.

He was appointed chief executive on August 24, 2011.

During his tenure as the chief executive, Cook advocated for the political reformation of international and domestic surveillance, cybersecurity, American manufacturing, and environmental preservation.

Cook has doubled the company's revenue and profit since he took over in 2011.

9 trillion is a lot.

Cook is a director of Nike.

He is a Trustee of Duke University.

Cook said in March 2015 that he would donate his fortune to charity.

Cook was the first chief executive of a Fortune 500 company to come out as gay.