Tim Castree, North American CEO of WPP's GroupM, has stepped down from the world's largest ad buying network, effective immediately, Business Insider learned.
| |  | Tim Castree, North American CEO of WPP's GroupM, has stepped down from the world's largest ad buying network, effective immediately, Business Insider learned.
Castree joined GroupM parent WPP in 2017 and assumed the GroupM role in late 2018, replacing Brian Lesser, who went on to lead AT&T's Xandr.
GroupM handles more than $113 billion in annual media investments around the world for clients such as Ford, Google, and Facebook.
Read on to learn what insiders are saying about Castree's exit.
|
|
| | |
|
| |
