Jon Steinlauf, who navigated waves of corporate mergers in recent years en route to becoming head of U.S. ad sales at Warner Bros. Discovery, is leaving the company later this year. The news was shared internally Friday by WBD Chief Revenue and Strategy Officer Bruce Campbell. (Read his memo below.)

Jon Steinlauf, Warner Bros. Discovery's top ad salesman, will leave at the year's end. WBD just took a $9.1 billion writedown and lost NBA rights.

Warner's NBA lawsuit hinges on matching Amazon's offer; any material discrepancy could lead to Warner losing the case. Read my analysis of WBD stock.

Warner Bros. Discovery ad sales chief Jon Steinlauf is set to depart the media giant later this year.

In a surprise move, Warner Bros. Discovery ‘s head of advertising sales Jon Steinlauf will exit the company later this year. WBD chief revenue and strategy officer Bruce Campbell announced Steinlauf’s looming exit Friday, telling staff that “I have news to share that may come as a surprise to many of you.”