WPP media buyer is focusing on operations, shared services and tech innovation.
Former WPP chief was angry that ex-colleague called S4 Capital 'speck in rear-view mirror'.
IPG Mediabrands' CEO thinks it is all about strategic capabilities. What about the rest of the industry?
Surprise exit came week before group was due to present to investors.
WPP CEO sees surge in number of clients that want to "join together" creative and media.
IPG Mediabrands CEO Daryl Lee: Media agencies are 'moving away from scale to strategic capabilities'
Business is fifth-largest media buyer and fastest-growing last year.
Agency group is talking to advisors but has not started a formal sale process.
Best quarterly performance since start of 2017.
Consulting giant's digital marketing services arm is now as big as Interpublic.
WPP's Wavemaker has held business since 2014.
The business has struggled to articulate its purpose in a changed market or even why it needs to exist as a brand.
WPP's Essence has a culture that's more like a tech company than a traditional buying shop. And now its global CEO has been picked to transform parent company GroupM. How much does Essence's rise point the way to the future?
Krakowsky is frontrunner to succeed Michael Roth as global CEO.
Drinks giant is focusing on media planning and data.
New CEO wants creative and mathematical people with more 'diverse' backgrounds.
No 'material change' in the threat from consultants such as Accenture.
The pursuit of big clients is forcing agency groups to choose their partners more carefully because the stakes are higher.
WPP media agency turns to former APAC boss as Christian Juhl takes on top Group M job.
Annual advertising expense fell for third year in a row to $6.75bn.
Juhl takes over world's biggest ad buyer on 1 October.