Chevron CEO Wirth says he is in discussions with board about succession The board waived the mandatory retirement age for Wirth in 2023, who said at the time he wanted to make more progress on increasing shareholder returns and lowering emissions Wirth, who became CEO in 2018, is 65 years old according to Chevron’s website “I’m not going to bank on many more years after year 10,” Wirth said on Tuesday