Krakowsky will take the helm effective January 1 and Roth will move into the executive chairman role
Operating profit plummeted 84.7% to $40.5 million.
Total advertising revenue for media owners will shrink 7.2% for the year, before recovering +6.1% in 2021, according to the latest Magna forecast.
A number of holding companies say they will not enter the awards, while others have yet to decide.
McCann, FCB and MullenLowe Group all helped the strong growth, but APAC revenues slid 3%.
The regional responsibility is in addition to his role as the managing director of the Indian operations.
Top news, insights and analysis every weekday
Sign up for Campaign Bulletins