Leap Wireless International Inc
The wireless service provider said Berger would leave shortly after it files its annual report, which is expected by February 29.
Leap said it will work to fill the CFO role as quickly as possible and is currently examining its options.
It gave no further details about Berger's next job. The executive, who held the CFO role since 2008, was not immediately available for comment.
(Reporting by Sinead Carew)