McCann Worldgroup CEO Bill Kolb advises clients and agencies to work together to promote employee wellbeing The Drum’s 3 Actionable Insights series asks industry leaders to give their thoughts on the actions our readers should take immediately. It’s been six months since Bill Kolb took the reigns as chairman and chief executive of McCann Worldgroup. Along the way, there has been an unending series of changes in the adland, in client expectations and in the world at large. As we begin transitioning into a post-pandemic reality, The Drum asked Kolb to share three insights that marketers and agency leaders should act upon immediately.