Cannes Lions Microsoft Named as Cannes Lions Creative Marketer of the Year Given to companies with a strong track record of winning awards at the festival Halo 3's "Believe" campaign from longtime agency partner McCann won two Grand Prix at Cannes in 2008.Microsoft By Stephen LepitakMay 11, 2021 Cannes Lions awarded Microsoft as its Creative Marketer of the Year during this year’s festival. WORK SMARTER - LEARN, GROW AND BE INSPIRED. Subscribe today! To Read the Full Story Become an Adweek+ Subscriber View Subscription Options Already a member? Sign in