The work will run across the UK, US and Sweden.
US is biggest part of global business.
The pair founded the social media publishing and marketing company six years ago.
However, there is still work to be done.
Media mogul led Viacom as executive chairman of board for almost 30 years.
Amazon also reported strong Q2 results.
Audiences are now returning, but revenues 'do not yet reflect' that, OOH group says.
Operating profit plummeted 84.7% to $40.5m.
Performance is significantly worse than Publicis Groupe.
Arthur Sadoun, chairman and chief executive, said that the business has 'strong fundamentals to weather the crisis'.
The agency employs more than 1,500 staff across eight offices.
He delivered last Sunday message to Publicis staff.
World Out of Home Organization work will run across China, Europe, Japan, Middle East, North America, South Africa, UK and United Arab Emirates.
Omnicom has set up bespoke agency to service business.
The Corner is to be sold back to management team.
Return will be voluntary and flexible.
Number of brands deferring spend has risen by eight percentage points month on month.
Newly formed agency will have 500 staff in UK...
Initiative will be led by Unilever brands Domestos and Lifebuoy.
Offices to reopen on Monday...