Mark Read
Mark Read's successor faces the toughest job in advertising – here's why
Explained: Why GroupM is now WPP Media and what it means for marketers
GroupM is now WPP Media; Mindshare, Wavemaker, EssenceMediacom to continue
WPP to rebrand GroupM as ‘WPP Media’ in a strategic makeover: Report
GroupM delivers 5.5% growth from India in Q1 for WPP amid global declines