An American business executive, Tim Cook is best known as the CEO of Apple. Cook began his career at IBM. Later, he worked as COO of the computer reseller division of Intelligent Electronics, and was vice president for corporate materials at Compaq.
Cook joined Apple in 1998. He began as senior vice president for worldwide operations, then was promoted to COO. Cook served as CEO in 2009 while Jobs was on a leave of absence, and formally took over the position on August 24, 2011.