Stephen Chazen

CEO, Occidental Petroleum

Chazen is the 2014 chairman of the American Petroleum Institute.

Chazen joined Occidental Petroleum in 1994, was named CFO in 1999, became President and CFO in 2007, President, COO and a member of the board of directors in 2010, and CEO in 2011. Prior to joining Occidental he was a managing director in the investment banking group of Merrill Lynch.