Leah Meranus, North America CEO at media agency Dentsu X has left the company, a spokesperson confirmed.  

It was not immediately clear why she left or if she was headed to a new post.  

Prior to being appointed to the position in January 2023, Meranus was Chief Media Officer at both Dentsu X and sibling agency 360i. 

Earlier she served at Interpublic’s Initiative, where she was Chief Growth Officer. Prior she was senior partner and director of business development at WPP’s Mediacom. 

Dentsu issued a statement: 

“We thank Leah for her contributions and leadership during her time with Dentsu X North America and wish her much personal success.  

To ensure stability, continuity, and growth during this transition, Bruce Williams, Chief Media Officer, Americas at dentsu, will oversee dentsu X North America."