Timeline of Irene Rosenfeld’s Tenure as CEO of Mondelez International. Company’s share price has more than doubled since she was named to the post. April 9, 2017 3:03 p.m. Irene Rosenfeld, 63 years old, is chief executive of Mondelez International Inc. and has run the company or its predecessor since 2006. Since she was named CEO, the share...