Michael Roth said we are at a tipping point where "meaningful change and progress are being demanded to address a situation centuries in the making."
"With more than 95% of our employees working from home, we continue to move the business forward."
"Visibility into marketing and media spend is extremely challenging" says CEO Michael Roth.
McCann, FCB and MullenLowe Group all helped the strong growth, but APAC revenues slid 3%.
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.
Media, healthcare marketing, PR and sports and entertainment offerings led growth.
Top news, insights and analysis every weekday
Sign up for Campaign Bulletins