IMA clients include Beiersdorf, Heineken and Booking.com.
Brands include Davidoff, JPS and Parker & Simpson.
Revenue and profit both fell in the second quarter of the year.
Havas is expected to repitch.
Work that promises to improve the world but doesn't take real action is 'infecting' the industry, Unilever CEO says.
He will lead data science, analytics and technology specialists.
P&G chief brand officer wants industry to have 'quality, civility, transparency, privacy and control'.