Prognosis pushed AIG's CEO to resign early: Report

Robert Benmosche, CEO and president of AIG.
Adam Jeffery | CNBC
Robert Benmosche, CEO and president of AIG.

American International Group's CEO Robert Benmosche said he learned in May that he had less than a year to live, leading to his decision to resign earlier, Bloomberg Businessweek reported on Thursday.

As announced in June, 70-year-old Benmosche will step down this weekend after leading the insurer for five years in its post-bailout recovery.

When he received a cancer diagnosis four years ago, Benmosche told staff he planned to leave in 2012, but later postponed his resignation to early next year.

Read MoreAIG earnings far outpace estimates

Peter Hancock, who heads AIG's property-casualty unit and worked at J.P. Morgan before its merger with Chase Manhattan Bank, will assume the position of CEO on Sept. 1.

Read the full story here.

—By staff