Cook has been in the CEO position as mentioned several times.

He soon left the CEO position to become an independent contractor.

In April 1999, he left the CEO position to become chairman of the board.

Anselmi didn't get the CEO position when he was promoted.

He was released and returned to the position of CEO in October 1946.

Ruthless.com puts the player in the position of CEO of a new software company.

In 2000 Jobs took the CEO position as a permanent assignment.

He officially assumed the position of CEO on 1 October 2007.

Later in 2000, Shuster, having been passed over for the CEO position, left the company.

He held the position of CEO until 1979 when he retired at the age of 65.